{"id":2899,"date":"2023-11-17T23:35:53","date_gmt":"2023-11-17T22:35:53","guid":{"rendered":"https:\/\/mbci.mackuz.ovh\/?p=2899"},"modified":"2023-11-17T23:35:53","modified_gmt":"2023-11-17T22:35:53","slug":"operation-injection-pump-with-governor","status":"publish","type":"post","link":"https:\/\/mbci.mackuz.ovh\/index.php\/2023\/11\/17\/operation-injection-pump-with-governor\/","title":{"rendered":"Operation injection pump with governor"},"content":{"rendered":"

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07.1\u2014010 Operation injection pump with governor<\/strong><\/div>\n<\/div>\n<\/td>\n
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Layout of injection pump<\/strong><\/div>\n<\/div>\n<\/td>\n
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The layout of the injection pump is essentially the same as that of the M injection pump. On the other hand, the element assembly (12) is mounted to in\u00adjection pump housing by means of holding flange (11).<\/div>\n
The fastening nuts of the element assembly should <\/strong>never be loosened, <\/strong>since otherwise the basic adjust\u00adment of the respective element will be changed and renewed adjustment on the bench will be required.<\/div>\n<\/div>\n<\/td>\n
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1<\/div>\n<\/div>\n<\/td>\n
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Camshaft<\/div>\n<\/div>\n<\/td>\n
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2<\/strong><\/div>\n<\/div>\n<\/td>\n
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Roller tappet<\/div>\n<\/div>\n<\/td>\n
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3<\/div>\n<\/div>\n<\/td>\n
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Compression spring<\/div>\n<\/div>\n<\/td>\n
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Control bushing<\/div>\n<\/div>\n<\/td>\n
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Control rod<\/div>\n<\/div>\n<\/td>\n
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6<\/strong><\/div>\n<\/div>\n<\/td>\n
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Control edge<\/div>\n<\/div>\n<\/td>\n
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Element<\/div>\n<\/div>\n<\/td>\n
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8<\/strong><\/div>\n<\/div>\n<\/td>\n
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Adjusting plate<\/div>\n<\/div>\n<\/td>\n
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9<\/strong><\/div>\n<\/div>\n<\/td>\n
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Pressure valve<\/div>\n<\/div>\n<\/td>\n
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10<\/strong><\/div>\n<\/div>\n<\/td>\n
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Pressure valve spring<\/div>\n<\/div>\n<\/td>\n
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11<\/div>\n<\/div>\n<\/td>\n
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Holding flange<\/div>\n<\/div>\n<\/td>\n
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12<\/div>\n<\/div>\n<\/td>\n
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Element assembly<\/div>\n<\/div>\n<\/td>\n
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13<\/div>\n<\/div>\n<\/td>\n
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Adjusting lever<\/div>\n<\/div>\n<\/td>\n
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14<\/div>\n<\/div>\n<\/td>\n
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Closing cover<\/div>\n<\/div>\n<\/td>\n
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07.1<\/div>\n<\/div>\n<\/td>\n
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.8-010\/1 F3<\/div>\n<\/div>\n<\/td>\n
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The injection pump is connected to engine oil circuit for lubrication.<\/div>\n
The oil inlet (2) for lubrication is at 5th pump element. The oil flows through bores (1) on sealing flange of camshaft again back into crankcase.<\/div>\n<\/div>\n<\/td>\n
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1\u00a0 \u00a0 Oil outlet<\/div>\n
2\u00a0 \u00a0 Oil inlet<\/div>\n
7\u00a0 \u00a0 Vacuum control valve<\/div>\n
13\u00a0 \u00a0 ALDA housing<\/div>\n<\/div>\n<\/td>\n
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Relief throttle in pipe connection<\/strong><\/div>\n<\/div>\n<\/td>\n
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To reduce hydrocarbons in exhaust gas, relief thrott\u00adles are installed in pipe connections of injection pump. The relief valve (2) is a platelet valve (3) opening in direction of injection nozzle with an orifice of 0.6 mm dia. The valve seat (4) is riveted into pipe connection. The relief valve permits the fuel to flow in direction of injection nozzle without obstruction. The pressure wave from injection nozzle in direction of injection pump, which is generated upon injection by the after-pumping effect of the nozzle needle when closing, is dampened by the relief throttle. This will prevent the pressure wave from subsequently flowing back to injection nozzle for re-injection. Re-injection will increase hydrocarbons in exhaust gas.<\/div>\n<\/div>\n<\/td>\n
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1\u00a0 \u00a0 \u00a0 Compression spring<\/div>\n
2\u00a0 \u00a0 \u00a0Relief throttle<\/div>\n
3\u00a0 \u00a0 \u00a0Platelet valve<\/div>\n
4\u00a0 \u00a0 \u00a0Valve seat<\/div>\n
5\u00a0 \u00a0 \u00a0Pipe connection<\/div>\n
6\u00a0 \u00a0 \u00a0Pressure valve carrier with pressure valve<\/div>\n<\/div>\n<\/td>\n
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Layout and operation of RW-governor<\/strong><\/div>\n
The governor is a idle max. speed governor with its regulating spring (11) dimensioned and set in such a manner that the governor is not regulating in partial load range, except for the purpose of torque control (refer to „Throttle control during start and at full load”)<\/div>\n
In partial load and full load range, the control rod (B) of the injection pump is operated by means of accelerator pedal only, which is connected to adjusting lever (10) of governor by means of the throttle link\u00adage.<\/div>\n<\/div>\n<\/td>\n
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07.1.8-010\/2 F3<\/div>\n<\/div>\n<\/td>\n
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At increasing engine speed, as soon as the centrifugal force is higher than pressure of the regulating springs, the flyweights will move in outward direction. The movement of the flyweights is transmitted to control rod (B) by way of the sliding sleeve (5), the linkage (13) and the slotted lever (7).<\/div>\n
As soon as max. speed is attained, the control rod is displaced in direction of stop. As a result, fuel delivery will be reduced and the engine speed will be limited. The procedure is reversed when the ingine speed drops.<\/div>\n<\/div>\n<\/td>\n
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Governing procedure during start<\/strong><\/div>\n<\/div>\n<\/td>\n
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In rest position, the swivel lever (2) is pushed to the left agains stop (17) under influence of regulating spring (11) and bell crank (1). In addition, the fly\u00adweights (4) are forced completely inward into their starting by means of the idle speed spring (12) via sliding sleeve (5).<\/div>\n<\/div>\n<\/td>\n
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1<\/div>\n<\/div>\n<\/td>\n
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Bell crank<\/div>\n<\/div>\n<\/td>\n
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13<\/div>\n<\/div>\n<\/td>\n
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Linkage<\/div>\n<\/div>\n<\/td>\n
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2<\/div>\n<\/div>\n<\/td>\n
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Swivel lever<\/div>\n<\/div>\n<\/td>\n
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15<\/div>\n<\/div>\n<\/td>\n
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Connecting lever<\/div>\n<\/div>\n<\/td>\n
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4<\/div>\n<\/div>\n<\/td>\n
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Flyweights<\/div>\n<\/div>\n<\/td>\n
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Connecting lever<\/div>\n<\/div>\n<\/td>\n
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5<\/div>\n<\/div>\n<\/td>\n
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Sliding sleeve<\/div>\n<\/div>\n<\/td>\n
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Stop<\/div>\n<\/div>\n<\/td>\n
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7<\/div>\n<\/div>\n<\/td>\n
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Slotted lever<\/div>\n<\/div>\n<\/td>\n
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8<\/div>\n<\/div>\n<\/td>\n
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Finger<\/div>\n<\/div>\n<\/td>\n
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A<\/div>\n<\/div>\n<\/td>\n
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Control path<\/div>\n<\/div>\n<\/td>\n
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9<\/div>\n<\/div>\n<\/td>\n
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Cam<\/div>\n<\/div>\n<\/td>\n
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B<\/div>\n<\/div>\n<\/td>\n
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Control rod<\/div>\n<\/div>\n<\/td>\n
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Adjusting lever<\/div>\n<\/div>\n<\/td>\n
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Starting position<\/div>\n<\/div>\n<\/td>\n
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11<\/div>\n<\/div>\n<\/td>\n
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Regulating spring<\/div>\n<\/div>\n<\/td>\n
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b<\/div>\n<\/div>\n<\/td>\n
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Full load position<\/div>\n<\/div>\n<\/td>\n
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12<\/div>\n<\/div>\n<\/td>\n
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Idle speed spring<\/div>\n<\/div>\n<\/td>\n
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Idle speed position<\/div>\n<\/div>\n<\/td>\n
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When the accelerator pedal or the adjusting lever (10) are operated, the control rod (B) can be moved into starting position (a), since the excess fuel lock com\u00adprising cam (9) and sensor finger (8) is eliminated.<\/div>\n<\/div>\n<\/td>\n
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07.1.8-010\/3 F3<\/div>\n<\/div>\n<\/td>\n
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When the engine and thereby the camshaft of the injection pump are starting to rotate, the flyweights (4) will move away from each other. The sliding sleeve (5) will then be moved to the right together with linkage (13) against the spring pressure of the idle speed spring (12). The pin of the sliding sleeve is slidingly located in slot of swivel lever (2). This movement is transmitted to control rod by way of the connecting lever (16) and the slotted lever (7). Finger (8) will be swivelled out of cam (9) by way of the control rod.<\/div>\n<\/div>\n<\/td>\n
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1\u00a0 \u00a0 Bell crank<\/div>\n
2\u00a0 \u00a0Swivel lever<\/div>\n
4\u00a0 \u00a0 Flyweights<\/div>\n
5\u00a0 \u00a0 Sliding sleeve<\/div>\n
7\u00a0 \u00a0 Slotted lever<\/div>\n
8\u00a0 \u00a0 Finger<\/div>\n
9\u00a0 \u00a0Cam<\/div>\n
10\u00a0 \u00a0 Adjusting lever<\/div>\n
11\u00a0 \u00a0 Regulating spring<\/div>\n
12\u00a0 \u00a0 Idle speed spring<\/div>\n<\/div>\n<\/td>\n
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13\u00a0 \u00a0 \u00a0Linkage<\/div>\n
15\u00a0 \u00a0 \u00a0Connecting lever<\/div>\n
16\u00a0 \u00a0 \u00a0Connecting lever<\/div>\n
17\u00a0 \u00a0 Stop<\/div>\n<\/div>\n<\/td>\n
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A B a b c<\/div>\n<\/div>\n<\/td>\n
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Control path Control rod Starting position Full load position Idle speed position<\/div>\n<\/div>\n<\/td>\n
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As soon as the speed increases, the sliding sleeve (5) with linkage (13) and control rod (B) are each moving in the same direction, that is, a movement of the sliding sleeve to the right also makes the control rod move to the right. The injected fuel quantity is re\u00adduced, the engine speed will go down.<\/div>\n<\/div>\n<\/td>\n
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The adjusting lever (10) rests outside against resilient idle speed stop. (This may result in excess pressure against idle speed stop during manual shutoff.) In this position , the constant idle speed is regulated by the flyweights (4) together with the idle speed spring (12).<\/div>\n<\/div>\n<\/td>\n
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07.1.8-010\/4 F2<\/div>\n<\/div>\n<\/td>\n
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2<\/div>\n<\/div>\n<\/td>\n
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Swivel lever<\/div>\n<\/div>\n<\/td>\n
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14<\/div>\n<\/div>\n<\/td>\n
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Tickler<\/div>\n<\/div>\n<\/td>\n
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4<\/div>\n<\/div>\n<\/td>\n
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Flyweights<\/div>\n<\/div>\n<\/td>\n
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Connecting lever<\/div>\n<\/div>\n<\/td>\n
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5<\/div>\n<\/div>\n<\/td>\n
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Sliding sleeve<\/div>\n<\/div>\n<\/td>\n
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Control path<\/div>\n<\/div>\n<\/td>\n
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7<\/div>\n<\/div>\n<\/td>\n
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Slotted lever<\/div>\n<\/div>\n<\/td>\n
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B<\/div>\n<\/div>\n<\/td>\n
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Control rod<\/div>\n<\/div>\n<\/td>\n
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10<\/div>\n<\/div>\n<\/td>\n
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Adjusting lever<\/div>\n<\/div>\n<\/td>\n
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Starting position<\/div>\n<\/div>\n<\/td>\n
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12<\/div>\n<\/div>\n<\/td>\n
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Idle speed spring<\/div>\n<\/div>\n<\/td>\n
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Full load position<\/div>\n<\/div>\n<\/td>\n
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13<\/div>\n<\/div>\n<\/td>\n
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Linkage<\/div>\n<\/div>\n<\/td>\n
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c<\/div>\n<\/div>\n<\/td>\n
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Idle speed position<\/div>\n<\/div>\n<\/td>\n
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At dropping speed, the flyweights (4) are forced inwards by the spring force of the idle speed spring (12). The sliding sleeve (5) and thereby the linkage (13) will then move to the left. The linkage will automatically shift control rod (B) also to the left under influence of connecting lever (16) and slotted lever (7), which means increased quantity and thereby an increase in speed.<\/div>\n
The flyweights are again moving away from each other The sliding sleeve and thereby the control rod are moved to the right (less fuel injected) until the force of the flyweights and the spring force of the idle speed spring (12) are in equilibrium. As a result, an almost constant speed can be maintained also when adding the air-conditioning system, power steering and when engaging a driving position.<\/div>\n
To dampen the idle speed, the swivel lever (2) is provided with an auxiliary idle speed spring (tickler 14), which pushes against idle speed spring starting at a given speed and thereby stabilizes the idle speed.<\/div>\n<\/div>\n<\/td>\n
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\n
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\n
07.1.8-010\/5 F2<\/div>\n<\/div>\n<\/td>\n
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Full load and breakaway speed<\/strong><\/div>\n<\/div>\n<\/td>\n
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\n
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\n
In partial load and full load range the control rod (B) of the injection pump is operated by means of accelerator pedal only, which is connected to adjusting lever (10) of governor by way of the throttle linkage.<\/div>\n<\/div>\n<\/td>\n
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\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
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1<\/div>\n<\/div>\n<\/td>\n
\n
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Bell crank<\/div>\n<\/div>\n<\/td>\n
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17<\/div>\n<\/div>\n<\/td>\n
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Stop i<\/em><\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
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2<\/div>\n<\/div>\n<\/td>\n
\n
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Swivel lever<\/div>\n<\/div>\n<\/td>\n
\n
\n
A<\/div>\n<\/div>\n<\/td>\n
\n
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Control path<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
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3<\/div>\n<\/div>\n<\/td>\n
\n
\n
Flyweights<\/div>\n<\/div>\n<\/td>\n
\n
\n
B<\/div>\n<\/div>\n<\/td>\n
\n
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Control rod<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
5<\/div>\n<\/div>\n<\/td>\n
\n
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Sliding sleeve<\/div>\n<\/div>\n<\/td>\n
\n
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C<\/div>\n<\/div>\n<\/td>\n
\n
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Sliding sleeve path<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
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6<\/div>\n<\/div>\n<\/td>\n
\n
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Compensating spring<\/div>\n<\/div>\n<\/td>\n
\n
\n
a<\/div>\n<\/div>\n<\/td>\n
\n
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Starting position<\/div>\n<\/div>\n<\/td>\n
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<\/td>\n\n
\n
7<\/div>\n<\/div>\n<\/td>\n
\n
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Slotted lever<\/div>\n<\/div>\n<\/td>\n
\n
\n
b<\/div>\n<\/div>\n<\/td>\n
\n
\n
Full load position<\/div>\n<\/div>\n<\/td>\n
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<\/td>\n\n
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8<\/div>\n<\/div>\n<\/td>\n
\n
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Finger<\/div>\n<\/div>\n<\/td>\n
\n
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c<\/div>\n<\/div>\n<\/td>\n
\n
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Idle speed position<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
9<\/div>\n<\/div>\n<\/td>\n
\n
\n
Cam<\/div>\n<\/div>\n<\/td>\n
\n
\n
d<\/div>\n<\/div>\n<\/td>\n
\n
\n
Idle speed path<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
10<\/div>\n<\/div>\n<\/td>\n
\n
\n
Adjusting lever<\/div>\n<\/div>\n<\/td>\n
\n
\n
e<\/div>\n<\/div>\n<\/td>\n
\n
\n
Compensating path<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
11<\/div>\n<\/div>\n<\/td>\n
\n
\n
Regulating spring<\/div>\n<\/div>\n<\/td>\n
\n
\n
f<\/div>\n<\/div>\n<\/td>\n
\n
\n
Full load speed regulation<\/div>\n<\/div>\n<\/td>\n
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<\/td>\n\n
\n
13<\/div>\n<\/div>\n<\/td>\n
\n
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Linkage<\/div>\n<\/div>\n<\/td>\n
\n
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\"om617<\/div>\n<\/td>\n
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In full load position, the adjusting lever (10) rests outside against full load stop, that is, the control rod is at full load, which is the max. delivery quantity the engine can burn free of smoke.<\/div>\n
The excess fuel lock comprising finger (8) and cam (9) serves to prevent that excess fuel is injected at full load and low speeds.<\/div>\n
Regulation at full load and partial load begins at a given max. speed. The centrifugal force of the flyweights (4) is getting stronger than the pressure of the regula\u00adting speed (11) and swivel lever (2) will move from housing stop (17) to the right.<\/div>\n
The resulting path of the sliding sleeve moves the control rod via the various transmission elements in direction of stop (0) until a given speed and injection quanty in accordance with the engine load is obtained.<\/div>\n<\/div>\n<\/td>\n
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\n
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07.1.8-010\/6 F3<\/div>\n<\/div>\n<\/td>\n
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 <\/p>\n\n\n\n\n\n\n\n
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If the engine load is reduced with the adjusting lever position unchanged, the speed will increase up to no load max. speed. The P-degree (proportional degree) can be determined from the difference in speed between breakaway and end of regulation (no load max. speed).<\/div>\n
Position between idle and full load speed regulation.<\/div>\n
Except for torque control, there is no additional regulation in this range.<\/div>\n
Torque control serves the purpose of feeding the engine the proportionally correct amount of injected fuel for each operating point on full load curve.<\/div>\n<\/div>\n<\/td>\n
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\n
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\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
2<\/div>\n<\/div>\n<\/td>\n
\n
\n
Swivel lever<\/div>\n<\/div>\n<\/td>\n
\n
\n
14<\/div>\n<\/div>\n<\/td>\n
\n
\n
Tickler<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
4<\/div>\n<\/div>\n<\/td>\n
\n
\n
Flyweights<\/div>\n<\/div>\n<\/td>\n
\n
\n
16<\/div>\n<\/div>\n<\/td>\n
\n
\n
Connecting lever<\/div>\n<\/div>\n<\/td>\n
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<\/td>\n\n
\n
5<\/div>\n<\/div>\n<\/td>\n
\n
\n
Sliding sleeve<\/div>\n<\/div>\n<\/td>\n
\n
\n
A<\/div>\n<\/div>\n<\/td>\n
\n
\n
Control path<\/div>\n<\/div>\n<\/td>\n
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<\/td>\n\n
\n
7<\/div>\n<\/div>\n<\/td>\n
\n
\n
Slotted lever<\/div>\n<\/div>\n<\/td>\n
\n
\n
B<\/div>\n<\/div>\n<\/td>\n
\n
\n
Control rod<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
10<\/div>\n<\/div>\n<\/td>\n
\n
\n
Adjusting lever<\/div>\n<\/div>\n<\/td>\n
\n
\n
a<\/div>\n<\/div>\n<\/td>\n
\n
\n
Starting position<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
12<\/div>\n<\/div>\n<\/td>\n
\n
\n
Idle speed spring<\/div>\n<\/div>\n<\/td>\n
\n
\n
b<\/div>\n<\/div>\n<\/td>\n
\n
\n
Full load position<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
13<\/div>\n<\/div>\n<\/td>\n
\n
\n
Linkage<\/div>\n<\/div>\n<\/td>\n
\n
\n
c<\/div>\n<\/div>\n<\/td>\n
\n
\n
Idle speed position<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/td>\n\n
\"om617<\/div>\n<\/td>\n
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Prior to control the governor is once again in the position shown in illustration. The flyweights have applied excess pressure to idle speed spring (12) and torque control spring (6) via sliding sleeve (5), so that the sliding sleeve (5) rests rigidly against swivel lever (2). When the load on engine is increased, the speed will drop; the torque control spring (6) will slide the torque control pin resting on sliding sleeve (5) in outward direction and the flyweights will come together. The path which can be travelled by the torque control spring is restricted by a stop on torque control pin. The movement of the sleeve will push the control rod forward for a given distance (torque control path) via linkage (13) and slotted lever (7), so that the quantity of the injected fuel and the torque will be increased. The operating range of the torque control is determined by the preload of the torque control spring in torque control capsule and its rigidity.<\/div>\n<\/div>\n<\/td>\n
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07.1.8-010\/7 F3<\/div>\n<\/div>\n<\/td>\n
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Absolutely measuring boost pressure stop (ALDA)<\/strong><\/div>\n
The ALDA equipment serves to adapt the injected fuel quantity to the prevailing boost pressure and the respective altitude. As a result, the combustion chambers will always be provided with the correct injected fuel quantity for the pertinent cylinder charge, so that the best possible efficiency during the varying operating conditions will be obtained. The ALDA capsule is connected to the boost air pipe by means of a pressure line.<\/div>\n<\/div>\n<\/td>\n
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Enrichment by means of boost pressure (charge-air <\/strong>pressure)<\/strong><\/div>\n<\/div>\n<\/td>\n
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The ALDA equipment comprises 2 aneroid capsules (12), a compression spring (11), a connecting rod (10) and the adjustable guide lever (7). The connecting rod (10) is connected to the control rod (9) by means of the adjustable guide lever (7), lever (3) and slotted lever (4). The increasing boost pressure compresses the aneroid capsules (12) and, supported by compres\u00adsion spring (11), the connecting rod (10) is pulled in direction „a”. As a result, the adjustable guide lever (7) will move within its adjusting range in direction „b” and will thereby push control rod (9) in direction „c” via coupling lever (3) and control lever (4). The <\/strong>injected fuel quantity will be increased.<\/strong><\/div>\n<\/div>\n<\/td>\n
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\"om617<\/div>\n<\/td>\n
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ALDA with control equipment<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
1\u00a0 \u00a0 Adjusting lever<\/div>\n
2\u00a0 \u00a0 Adjusting lever shaft<\/div>\n
3\u00a0 \u00a0 Coupling lever<\/div>\n
4\u00a0 \u00a0 Control lever<\/div>\n
5\u00a0 \u00a0 Pin<\/div>\n
6\u00a0 \u00a0 Stop<\/div>\n
7\u00a0 \u00a0 Adjustable guide lever<\/div>\n<\/div>\n<\/td>\n
\n
\n
8\u00a0 \u00a0 Pivot (adjusting guide lever)<\/div>\n
9\u00a0 \u00a0 Control rod<\/div>\n
10\u00a0 \u00a0 Connecting rod<\/div>\n
11\u00a0 \u00a0 Compression spring<\/div>\n
12\u00a0 \u00a0 Aneroid capsules<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Altitude compensation<\/strong><\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
During altitude operation, the aneroid capsules (12) will expand under influence of the reduced absolute pressure and will push connecting rod (10) in direction „d” against compression spring (11).<\/div>\n
The ALDA adjustable guide lever (7) will automati\u00adcally move in direction „e” and control rod (9) will consequently move over coupling lever (3) and control lever (4) in direction „f”. The injected fuel quantity <\/strong>will be reduced.<\/strong><\/div>\n<\/div>\n<\/td>\n
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07.1.8-010\/8 F3<\/div>\n<\/div>\n<\/td>\n
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Reference impulse verification „RIV” for checking and adjusting injection timing (begin of delivery)<\/strong><\/div>\n
Instead of the static overflow method used up to now, injection timing (begin of delivery) can now be checked and adjusted with the engine running.<\/div>\n
For this purpose, a flange (1) with closing plug (2) has been mounted outside on governor housing, and a lug (3) has been fitted to sheet metal bell (6).<\/div>\n<\/div>\n<\/td>\n
\n
\"om617<\/div>\n<\/td>\n
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\n
1\u00a0 \u00a0 \u00a0Flange<\/div>\n
2\u00a0 \u00a0 Closing plug<\/div>\n
3\u00a0 \u00a0 Lug<\/div>\n
4\u00a0 \u00a0 Governor housing<\/div>\n
5\u00a0 \u00a0 Governor member<\/div>\n
6\u00a0 \u00a0 Sheet metal bell<\/div>\n<\/div>\n<\/td>\n
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\"om617<\/div>\n<\/td>\n
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Operation<\/strong><\/div>\n
Two signals are required to measure the association of the injection pump in relation to engine:<\/div>\n
\u2022\u00a0 \u00a0TDC impulse from crankshaft.<\/div>\n
\u2022\u00a0 \u00a0Regulating impulse from injection pump shaft.<\/div>\n<\/div>\n<\/td>\n
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07.1.8-010\/9 F3<\/div>\n<\/div>\n<\/td>\n
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Both impulses are supplied by inductance transmitters. To obtain a measuring signal, the transmitter pins must be moved past the inductance transmitters at a minimum speed (idle speed). A measuring instrument measures the chronological distance of the two pulses and changes the result into an angle value, which is then indicated.<\/div>\n
The highest measuring accuracy is attained, if the distance between the measuring impulses is relatively low.<\/div>\n<\/div>\n<\/td>\n
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 <\/td>\n

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The position of the TDC transmitter is similar to gasoline engine 20 after TDC.<\/div>\n
The regulating impulse of the injection pump has been set to 15\u00b0 after TDC.<\/div>\n<\/div>\n<\/td>\n
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\"om617<\/div>\n<\/td>\n
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OT-I TDC impulse Rl\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Regulating impulse<\/div>\n
DFB Checking injection timing (begin of delivery)<\/div>\n<\/div>\n<\/td>\n
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<\/td>\n\n
\n
<\/div>\n<\/div>\n

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Rl Regulating impulse OT-I TDC impulse<\/div>\n<\/div>\n<\/td>\n
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\"om617<\/div>\n<\/td>\n
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Injection timer<\/strong><\/div>\n
At increasing rpm the injection timer will set the regulating impulse in the direction of advance. The measuring value for injection timing (begin of delivery) is getting smaller and attains approx. 0\u00b0\u20141\u00b0 at max. adjustment.<\/div>\n<\/div>\n<\/td>\n
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07.1.8-010\/10 F3<\/div>\n<\/div>\n<\/td>\n
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 <\/p>\n","protected":false},"excerpt":{"rendered":"

    07.1\u2014010 Operation injection pump with governor   Layout of injection pump   The layout of the injection pump is essentially the same as that of the M injection pump. On the other hand, the element assembly (12) is mounted to in\u00adjection pump housing by means of holding flange (11). The fastening nuts of the element assembly should never be loosened, since otherwise the basic adjust\u00adment of the respective element will be changed and renewed adjustment on the bench will be required.   1 Camshaft 2 Roller tappet 3 Compression spring 4 Control bushing 5 Control rod 6 Control edge 7 Element 8 Adjusting plate 9 Pressure valve 10 Pressure valve spring 11 Holding flange 12 Element assembly 13 Adjusting lever 14 Closing cover 07.1 .8-010\/1 F3       The injection pump is connected to engine oil circuit for lubrication. The oil inlet (2) for lubrication is at 5th pump element. The oil flows through bores (1) on sealing flange of camshaft again back into crankcase. 1\u00a0 \u00a0 Oil outlet 2\u00a0 \u00a0 Oil inlet 7\u00a0 \u00a0 Vacuum control valve 13\u00a0 \u00a0 ALDA housing   Relief throttle in pipe connection   To reduce hydrocarbons in exhaust gas, relief thrott\u00adles are installed in pipe connections of injection pump. The relief valve (2) is a platelet valve (3) opening in direction of injection nozzle with an orifice of 0.6 mm dia. The valve seat (4) is riveted into pipe connection. The relief valve permits the fuel to flow in direction of injection nozzle without obstruction. The pressure wave from injection nozzle in direction of injection pump, which is generated upon injection by the after-pumping effect of the nozzle needle when closing, is dampened by the relief throttle. This will prevent the pressure wave from subsequently flowing back to injection nozzle for re-injection. Re-injection will increase hydrocarbons in exhaust gas.   1\u00a0 \u00a0 \u00a0 Compression spring 2\u00a0 \u00a0 \u00a0Relief throttle 3\u00a0 \u00a0 \u00a0Platelet valve 4\u00a0 \u00a0 \u00a0Valve seat 5\u00a0 \u00a0 \u00a0Pipe connection 6\u00a0 \u00a0 \u00a0Pressure valve carrier with pressure valve   Layout and operation of RW-governor The governor is a idle max. speed governor with its regulating spring (11) dimensioned and set in such a manner that the governor is not regulating in partial load range, except for the purpose of torque control (refer to „Throttle control during start and at full load”) In partial load and full load range, the control rod (B) of the injection pump is operated by means of accelerator pedal only, which is connected to adjusting lever (10) of governor by means of the throttle link\u00adage.   07.1.8-010\/2 F3       At increasing engine speed, as soon as the centrifugal force is higher than pressure of the regulating springs, the flyweights will move in outward direction. The movement of the flyweights is transmitted to control rod (B) by way of the sliding sleeve (5), the linkage (13) and the slotted lever (7). As soon as max. speed is attained, the control rod is displaced in direction of stop. As a result, fuel delivery will be reduced and the engine speed will be limited. The procedure is reversed when the ingine speed drops.   Governing procedure during start   In rest position, the swivel lever (2) is pushed to the left agains stop (17) under influence of regulating spring (11) and bell crank (1). In addition, the fly\u00adweights (4) are forced completely inward into their starting by means of the idle speed spring (12) via sliding sleeve (5).   1 Bell crank 13 Linkage 2 Swivel lever 15 Connecting lever 4 Flyweights 16 Connecting lever 5 Sliding sleeve 17 Stop 7 Slotted lever     8 Finger A Control path 9 Cam B Control rod 10 Adjusting lever a Starting position 11 Regulating spring b Full load position 12 Idle speed spring c Idle speed position   When the accelerator pedal or the adjusting lever (10) are operated, the control rod (B) can be moved into starting position (a), since the excess fuel lock com\u00adprising cam (9) and sensor finger (8) is eliminated.   07.1.8-010\/3 F3       When the engine and thereby the camshaft of the injection pump are starting to rotate, the flyweights (4) will move away from each other. The sliding sleeve (5) will then be moved to the right together with linkage (13) against the spring pressure of the idle speed spring (12). The pin of the sliding sleeve is slidingly located in slot of swivel lever (2). This movement is transmitted to control rod by way of the connecting lever (16) and the slotted lever (7). Finger (8) will be swivelled out of cam (9) by way of the control rod.   1\u00a0 \u00a0 Bell crank 2\u00a0 \u00a0Swivel lever 4\u00a0 \u00a0 Flyweights 5\u00a0 \u00a0 Sliding sleeve 7\u00a0 \u00a0 Slotted lever 8\u00a0 \u00a0 Finger 9\u00a0 \u00a0Cam 10\u00a0 \u00a0 Adjusting lever 11\u00a0 \u00a0 Regulating spring 12\u00a0 \u00a0 Idle speed spring 13\u00a0 \u00a0 \u00a0Linkage 15\u00a0 \u00a0 \u00a0Connecting lever 16\u00a0 \u00a0 \u00a0Connecting lever 17\u00a0 \u00a0 Stop A B a b c Control path Control rod Starting position Full load position Idle speed position   As soon as the speed increases, the sliding sleeve (5) with linkage (13) and control rod (B) are each moving in the same direction, that is, a movement of the sliding sleeve to the right also makes the control rod move to the right. The injected fuel quantity is re\u00adduced, the engine speed will go down.   The adjusting lever (10) rests outside against resilient idle speed stop. (This may result in excess pressure against idle speed stop during manual shutoff.) In this position , the constant idle speed is regulated by the flyweights (4) together with the idle speed spring (12).   07.1.8-010\/4 F2       2 Swivel lever 14 Tickler 4 Flyweights 16 Connecting lever 5 Sliding sleeve A Control path 7 Slotted lever B Control rod 10 Adjusting lever a Starting position 12 Idle speed spring b Full load position 13 Linkage c Idle speed position   At dropping speed, the flyweights (4) are forced inwards by the spring force of the idle speed spring (12). The sliding sleeve (5) and thereby the linkage (13) will then move to the left. The linkage will automatically shift control rod (B) also to the left under influence of connecting lever (16) and slotted lever (7), which means increased quantity and thereby an increase in speed. The flyweights are again moving away from each other The sliding sleeve and thereby the control rod are moved to the right (less fuel injected) until the force of the flyweights and the spring force of the idle speed spring (12) are in equilibrium. As a result, an almost constant speed can be maintained also when adding the air-conditioning system, power steering and when engaging a driving position. To dampen the idle speed, the swivel lever (2) is provided with an auxiliary idle speed spring (tickler 14), which pushes against idle speed spring starting at a given speed and thereby stabilizes the idle speed.   07.1.8-010\/5 F2       Full load and breakaway speed   In partial load and full load range the control rod (B) of the injection pump is operated by means of accelerator pedal only, which is connected to adjusting lever (10) of governor by way of the throttle linkage.   1 Bell crank 17 Stop i 2 Swivel lever A Control path 3 Flyweights B Control rod 5 Sliding sleeve C Sliding sleeve path 6 Compensating spring a Starting position 7 Slotted lever b Full load position 8 Finger c Idle speed position 9 Cam d Idle speed path 10 Adjusting lever e Compensating path 11 Regulating spring f Full load speed regulation 13 Linkage       In full load position, the adjusting lever (10) rests outside against full load stop, that is, the control rod is at full load, which is the max. delivery quantity the engine can burn free of smoke. The excess fuel lock comprising finger (8) and cam (9) serves to prevent that excess fuel is injected at full load and low speeds. Regulation at full load and partial load begins at a given max. speed. The centrifugal force of the flyweights (4) is getting stronger than the pressure of the regula\u00adting speed (11) and swivel lever (2) will move from housing stop (17) to the right. The resulting path of the sliding sleeve moves the control rod via the various transmission elements in direction of stop (0) until a given speed and injection quanty in accordance with the engine load is obtained.   07.1.8-010\/6 F3       If the engine load is reduced with the adjusting lever position unchanged, the speed will increase up to no load max. speed. The P-degree (proportional degree) can be determined from the difference in speed between breakaway and end of regulation (no load max. speed). Position between idle and full load speed regulation. Except for torque control, there is no additional regulation in this range. Torque control serves the purpose of feeding the engine the proportionally correct amount of injected fuel for each operating point on full load curve.   2 Swivel lever 14 Tickler 4 Flyweights 16 Connecting lever 5 Sliding sleeve A Control path 7 Slotted lever B Control rod 10 Adjusting lever a Starting position 12 Idle speed spring b Full load position 13 Linkage c Idle speed position   Prior to control the governor is once again in the position shown in illustration. The flyweights have applied excess pressure to idle speed spring (12) and torque control spring (6) via sliding sleeve (5), so that the sliding sleeve (5) rests rigidly against swivel lever (2). When the load on engine is increased, the speed will drop; the torque control spring (6) will slide the torque control pin resting on sliding sleeve (5) in outward direction and the flyweights will come together. The path which can be travelled by the torque control spring is restricted by a stop on torque control pin. The movement of the sleeve will push the control rod forward for a given distance (torque control path) via linkage (13) and slotted lever (7), so that the quantity of the injected fuel and the torque will be increased. The operating range of the torque control is determined by the preload of the torque control spring in torque control capsule and its rigidity.   07.1.8-010\/7 F3       Absolutely measuring boost pressure stop (ALDA) The ALDA equipment serves to adapt the injected fuel quantity to the prevailing boost pressure and the respective altitude. As a result, the combustion chambers will always be provided with the correct injected fuel quantity for the pertinent cylinder charge, so that the best possible efficiency during the varying operating conditions will be obtained. The ALDA capsule is connected to the boost air pipe by means of a pressure line.   Enrichment by means of boost pressure (charge-air pressure)   The ALDA equipment comprises 2 aneroid capsules (12), a compression spring (11), a connecting rod (10) and the adjustable guide lever (7). The connecting rod (10) is connected to the control rod (9) by means of the adjustable guide lever (7), lever (3) and slotted lever (4). The increasing boost pressure compresses the aneroid capsules (12) and, supported by compres\u00adsion spring (11), the connecting rod (10) is pulled in direction „a”. As a result, the adjustable guide lever (7) will move within its adjusting range in direction „b” and will thereby push control rod (9) in direction „c” via coupling lever (3) and control lever (4). The injected fuel quantity will be increased. ALDA with control equipment 1\u00a0 \u00a0 Adjusting lever 2\u00a0 \u00a0 Adjusting lever shaft 3\u00a0 \u00a0 Coupling lever 4\u00a0 \u00a0 Control lever 5\u00a0 \u00a0 Pin 6\u00a0 \u00a0 Stop 7\u00a0 \u00a0 Adjustable guide lever 8\u00a0 \u00a0 Pivot (adjusting guide lever) 9\u00a0 \u00a0 Control rod 10\u00a0 \u00a0 Connecting rod 11\u00a0 \u00a0 Compression spring 12\u00a0 \u00a0 Aneroid capsules Altitude compensation During altitude operation, the aneroid capsules (12)…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[49,44],"tags":[],"class_list":["post-2899","post","type-post","status-publish","format-standard","hentry","category-injection-system","category-om617"],"aioseo_notices":[],"featured_image_src":null,"author_info":{"display_name":"mackuz","author_link":"https:\/\/mbci.mackuz.ovh\/index.php\/author\/mackuz\/"},"_links":{"self":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/comments?post=2899"}],"version-history":[{"count":1,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2899\/revisions"}],"predecessor-version":[{"id":2900,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2899\/revisions\/2900"}],"wp:attachment":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/media?parent=2899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/categories?post=2899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/tags?post=2899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}