{"id":2469,"date":"2023-11-08T22:31:18","date_gmt":"2023-11-08T22:31:18","guid":{"rendered":"https:\/\/mbci.mackuz.ovh\/?p=2469"},"modified":"2023-11-08T22:31:18","modified_gmt":"2023-11-08T22:31:18","slug":"regulation-of-engine","status":"publish","type":"post","link":"https:\/\/mbci.mackuz.ovh\/index.php\/2023\/11\/08\/regulation-of-engine\/","title":{"rendered":"Regulation of engine"},"content":{"rendered":"

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
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07.2\u2014110 Regulation of engine<\/strong><\/div>\n<\/div>\n<\/td>\n
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Identification: <\/strong>Information plate in national language on cross member in front of radiator or on cylinder head cover. Adjust engines according to data of respective emission control information plate.<\/div>\n<\/div>\n<\/td>\n
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Testing and adjusting values<\/strong><\/div>\n<\/div>\n<\/td>\n
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National version<\/div>\n<\/div>\n<\/td>\n
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Idle speed 1\/min<\/div>\n<\/div>\n<\/td>\n
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Idle speed emission value % CO<\/div>\n<\/div>\n<\/td>\n
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up to 1976<\/div>\n<\/div>\n<\/td>\n
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max. 1.5<\/div>\n<\/div>\n<\/td>\n
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1976<\/div>\n<\/div>\n<\/td>\n
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800-900<\/div>\n<\/div>\n<\/td>\n
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max. 1.0 without <\/strong>air injection<\/div>\n<\/div>\n<\/td>\n
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1976<\/div>\n<\/div>\n<\/td>\n
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1973<\/div>\n<\/div>\n<\/td>\n
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750-900<\/div>\n<\/div>\n<\/td>\n
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up to 1.5<\/div>\n<\/div>\n<\/td>\n
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1974 Federal<\/div>\n<\/div>\n<\/td>\n
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(usa) 1974 California<\/div>\n<\/div>\n<\/td>\n
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700-900<\/div>\n<\/div>\n<\/td>\n
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6\u20148 without <\/strong>air injection<\/div>\n<\/div>\n<\/td>\n
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1975\/76<\/div>\n<\/div>\n<\/td>\n
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800-900<\/div>\n<\/div>\n<\/td>\n
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max. 1.0 without <\/strong>air injection<\/div>\n<\/div>\n<\/td>\n
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Vacuum governor1<\/sup>)<\/strong><\/div>\n<\/div>\n<\/td>\n
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National version<\/div>\n<\/div>\n<\/td>\n
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Engine speed<\/div>\n
Vacuum hose pulled off<\/div>\n
1\/min<\/div>\n<\/div>\n<\/td>\n
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Engine speed<\/div>\n
Driving position engaged<\/div>\n
1\/min<\/div>\n<\/div>\n<\/td>\n
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without<\/strong><\/div>\n
TN choke<\/div>\n<\/div>\n<\/td>\n
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with<\/strong><\/div>\n
TN choke<\/div>\n<\/div>\n<\/td>\n
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1976<\/div>\n<\/div>\n<\/td>\n
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1976<\/div>\n<\/div>\n<\/td>\n
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600-700<\/div>\n<\/div>\n<\/td>\n
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1700-1900<\/div>\n<\/div>\n<\/td>\n
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1973\/74<\/div>\n<\/div>\n<\/td>\n
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1200-1400<\/div>\n<\/div>\n<\/td>\n
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1975\/76<\/div>\n<\/div>\n<\/td>\n
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M When engaging all auxiliary units, the engine should still run smoothly.<\/div>\n<\/div>\n<\/td>\n
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07.2.2 la\u2014110\/1<\/div>\n<\/div>\n<\/td>\n
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Accelerating pump<\/strong><\/div>\n<\/div>\n<\/td>\n
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Begin of injection<\/div>\n<\/div>\n<\/td>\n
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immediately<\/div>\n<\/div>\n<\/td>\n
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Special tools<\/strong><\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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Oil telethermometer<\/div>\n<\/div>\n<\/td>\n
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116 589 27 21 00<\/div>\n<\/div>\n<\/td>\n
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Digital tester<\/div>\n<\/div>\n<\/td>\n
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001 589 54 21 00<\/div>\n<\/div>\n<\/td>\n
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us\u00a3S: m<\/u><\/em><\/div>\n<\/div>\n<\/td>\n
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Connecting cable 3 m long<\/div>\n<\/div>\n<\/td>\n
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000 589 04 90 00<\/div>\n<\/div>\n<\/td>\n
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Intermediate plug (adaptor)<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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000 589 72 63 00<\/div>\n<\/div>\n<\/td>\n
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Trigger<\/div>\n<\/div>\n<\/td>\n
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000 589 71 63 00<\/div>\n<\/div>\n<\/td>\n
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Clamp<\/div>\n<\/div>\n<\/td>\n
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000 589 40 37 00<\/div>\n<\/div>\n<\/td>\n
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Conventional tools<\/strong><\/div>\n<\/div>\n<\/td>\n
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Closing angle (dwell angle) and revolution counter, stroboscope, oscilloscope, CO measuring instrument<\/div>\n<\/div>\n<\/td>\n
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Note<\/strong><\/div>\n<\/div>\n<\/td>\n
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Do not adjust idle speed when engine is too hot, e.g. after a fast drive or after measuring performance on a dynamometer. The air filter should be mounted.<\/div>\n<\/div>\n<\/td>\n
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07.2.2 la-110\/2<\/div>\n<\/div>\n<\/td>\n
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Regulation<\/strong><\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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1\u00a0 \u00a0 Connect test instruments:<\/div>\n
\u2022\u00a0 \u00a0Closing angle and revolution counter<\/div>\n
\u2022\u00a0 \u00a0Stroboscope<\/div>\n
\u2022\u00a0 \u00a0Oscilloscope<\/div>\n
\u2022\u00a0 \u00a0CO measuring instrument<\/div>\n
\u2022\u00a0 \u00a0Digital tester<\/div>\n
2\u00a0 \u00a0Check contact resistance, closing angle and closing angle change, adjust closing angle only <\/strong>when renewing contact breaker points (07.5\u2014510).<\/div>\n
3\u00a0 \u00a0Evaluate oscilloscope display.<\/div>\n
4\u00a0 \u00a0Check firing point and adjust, if required. Check centrifugal and vacuum ignition adjustment (07.5-510).<\/div>\n
5\u00a0 \u00a0 Run engine oil temperature up to 60\u201480 \u00b0C.<\/div>\n
6\u00a0 \u00a0Check intake system for leaks. For this purpose, spray all seal points with Iso-Oktan DIN 51756 or benzine. Change of engine speed indicates leaks.<\/div>\n
Attention!<\/strong><\/div>\n
For spraying, do not use conventional fuel (unhealthy vapors). Pay attention to inflammability and do not spray on red-hot components or components of igni\u00adtion system.<\/div>\n
7\u00a0 \u00a0Check engine regulating linkage for easy operation and wear. Lubricate all bearing points and ball sockets.<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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8 Switch off air conditioning system or automatic climate control. Move selector lever into position<\/div>\n<\/div>\n<\/td>\n
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9 Check whether on vehicles with cruise control (Tempomat) the Bowden wire rests free of tension <\/strong>against regulating lever with the engine running. Adjust Bowden wire with adjusting nut (1), if re\u00adquired. For this purpose, run engine.<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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07.2.2 la\u2014110\/3<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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10\u00a0 \u00a0With the engine running, check whether throttle valve lever (3) rests against adjusting screw (68).<\/div>\n
11\u00a0 \u00a0 Check idle speed and adjust with adjusting screw (68), if required.<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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12 Check idle speed emission value without air in\u00adjection. <\/strong>For this purpose, make air injection inopera\u00adtive as follows (for (usa) 1973\/74 nothing need be made inoperative):<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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(T) 1976<\/strong><\/div>\n
Pull off blue\/purple <\/strong>vacuum line at connecting point (arrow).<\/div>\n<\/div>\n<\/td>\n
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1976, model 114<\/strong><\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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Pull rubber cap (arrow) from blue\/purple <\/strong>vacuum line.<\/div>\n<\/div>\n<\/td>\n
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07.2.2 la\u2014110\/4<\/div>\n<\/div>\n<\/td>\n
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T) 1976, model 116<\/strong><\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
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Pull rubber cap (arrow) from blue\/purple <\/strong>vacuum line.<\/div>\n<\/div>\n<\/td>\n
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(usa) California 1974<\/strong><\/div>\n
Pull off red <\/strong>vacuum line at the connecting point (arrow).<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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(\u00a9) 1975\/76<\/strong><\/div>\n
Pull off blue\/purple <\/strong>vacuum line at connecting point (arrow).<\/div>\n<\/div>\n<\/td>\n
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The exhaust gas for idle speed CO measurement on vehicles with catalyst, (T)i976and \u00a9)1975\/76, is drawn off in front of catalyst at check valve (arrow) of air injection.<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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For measuring idle speed emissions, open valve plate of check valve by means of a self-made wire hook. Connect exhaust gas hose of CO measuring instrument to check valve.<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/div>\n<\/td>\n
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W74-6964<\/strong><\/div>\n<\/div>\n<\/td>\n
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07.2.2 la\u2014110\/5<\/div>\n<\/div>\n<\/td>\n
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13 Adjust idle speed emission value without air in\u00adjection. <\/strong>For this purpose, adjust both adjusting screws (arrows) uniformly.<\/div>\n
Screwing out = richer Screwing in = leaner<\/strong><\/div>\n<\/div>\n<\/td>\n
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107 7433<\/div>\n<\/div>\n<\/div>\n<\/td>\n
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Then check idle speed synchronization while inserting test wire 0.5 mm dia (arrow) into both air correction nozzles (78) one after the other and measuring CO increase. The CO increase should be uniformly high on both sides. <\/strong>Readjust with idle speed mixture adjusting screws, if required.<\/div>\n
Note: <\/strong>To prevent measuring faults, do not insert test wire deeper than 10 mm into idle speed air jet. With\u00adout test wire, the max. idle speed emission value may not be exceeded. Readjust uniformly, if required.<\/div>\n
Accelerate for a short moment, check idle speed and idle speed emission value once again and regulate again, if required.<\/div>\n<\/div>\n<\/td>\n
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14\u00a0 \u00a0 Reattach vacuum hose for air injection (air in\u00adjection operating). The idle speed emission value should now be below <\/strong>the previously set value.<\/div>\n
15\u00a0 \u00a0Adjust vacuum governor. For this purpose, run engine, pull off vacuum hose (64), adjust specified speed with adjusting screw (63), attach vacuum hose.<\/div>\n
Attention!<\/strong><\/div>\n
When loosening counternut, apply counterhold to diaphragm rod.<\/div>\n
Engage driving position on automatic transmission, set to specified speed with adjusting nut (61). Turn power steering to full lock and engage air condi\u00adtioning system, engine should still run smoothly. Regulate speed again, if required.<\/div>\n
16\u00a0 \u00a0Adjust accelerating pump. For this purpose, run engine, pinch vacuum hose (64). Check whether throttle valve lever (3) rests against adjusting screw (68) (Fig. item 15).<\/div>\n
Set adjusting nut (25) in such a manner that the actuating lever (198) pushes the diaphragm thrust bolt (199) 1.0 mm inwards.<\/div>\n<\/div>\n<\/td>\n
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SO?- 12904\/1<\/strong><\/div>\n<\/div>\n<\/td>\n
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07.2.2 la-110\/6<\/div>\n<\/div>\n<\/td>\n
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Starting June 1973 the adjusting nut with pinch lock is replaced by a self-locking polystop nut. Simultane\u00adously, the connecting rod has been extended by 2 mm (to facilitate adjustments).<\/div>\n<\/div>\n<\/td>\n
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Former version<\/div>\n<\/div>\n<\/td>\n
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Checking operation and direction of injection.<\/strong><\/div>\n
For this purpose, slowly actuate throttle valve lever, a uniform <\/strong>fuel jet should now come out of both in\u00adjection bores (arrows) immediately <\/strong>and on both sides.<\/strong><\/div>\n
Attention!<\/strong><\/div>\n
The fuel jet should not touch edge of Venturi and pre-atomizer, since this may result in starting and bypass faults. If required, remove carburetor cover and clean injection bores.<\/div>\n<\/div>\n<\/td>\n
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17 Check dashpot (82) for leaks. Then run engine, pinch vacuum hose of damper (82). Open air valve (154) and release, air valve should then snap back against stop (205). If not, replace dashpot. With the engine stopped, check whether air valve (154) operates easily and returns automatically to stop (205) if slightly opened.<\/div>\n<\/div>\n<\/td>\n
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82 Dashpot for air valve stage II<\/div>\n<\/div>\n<\/td>\n
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18 Check fuel return valve for leaks. For this purpose, run engine at idle speed. Pinch vacuum hose on fuel return valve, idle speed emission value or engine speed should not change. Replace return valve, if required.<\/div>\n<\/div>\n<\/td>\n
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07.2.2 la\u2014110\/7<\/div>\n<\/div>\n<\/td>\n
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    07.2\u2014110 Regulation of engine   Identification: Information plate in national language on cross member in front of radiator or on cylinder head cover. Adjust engines according to data of respective emission control information plate.   Testing and adjusting values   National version Idle speed 1\/min Idle speed emission value % CO   up to 1976 max. 1.5   1976 800-900   max. 1.0 without air injection   1976   1973   750-900 up to 1.5   1974 Federal   (usa) 1974 California 700-900 6\u20148 without air injection   1975\/76 800-900 max. 1.0 without air injection   Vacuum governor1)   National version Engine speed Vacuum hose pulled off 1\/min Engine speed Driving position engaged 1\/min   without TN choke with TN choke   1976   1976 600-700   1700-1900   1973\/74 1200-1400   1975\/76   M When engaging all auxiliary units, the engine should still run smoothly.   07.2.2 la\u2014110\/1       Accelerating pump   Begin of injection immediately   Special tools     Oil telethermometer 116 589 27 21 00   Digital tester 001 589 54 21 00   us\u00a3S: m   Connecting cable 3 m long 000 589 04 90 00   Intermediate plug (adaptor) 000 589 72 63 00   Trigger 000 589 71 63 00   Clamp 000 589 40 37 00   Conventional tools   Closing angle (dwell angle) and revolution counter, stroboscope, oscilloscope, CO measuring instrument   Note   Do not adjust idle speed when engine is too hot, e.g. after a fast drive or after measuring performance on a dynamometer. The air filter should be mounted.   07.2.2 la-110\/2       Regulation 1\u00a0 \u00a0 Connect test instruments: \u2022\u00a0 \u00a0Closing angle and revolution counter \u2022\u00a0 \u00a0Stroboscope \u2022\u00a0 \u00a0Oscilloscope \u2022\u00a0 \u00a0CO measuring instrument \u2022\u00a0 \u00a0Digital tester 2\u00a0 \u00a0Check contact resistance, closing angle and closing angle change, adjust closing angle only when renewing contact breaker points (07.5\u2014510). 3\u00a0 \u00a0Evaluate oscilloscope display. 4\u00a0 \u00a0Check firing point and adjust, if required. Check centrifugal and vacuum ignition adjustment (07.5-510). 5\u00a0 \u00a0 Run engine oil temperature up to 60\u201480 \u00b0C. 6\u00a0 \u00a0Check intake system for leaks. For this purpose, spray all seal points with Iso-Oktan DIN 51756 or benzine. Change of engine speed indicates leaks. Attention! For spraying, do not use conventional fuel (unhealthy vapors). Pay attention to inflammability and do not spray on red-hot components or components of igni\u00adtion system. 7\u00a0 \u00a0Check engine regulating linkage for easy operation and wear. Lubricate all bearing points and ball sockets.   8 Switch off air conditioning system or automatic climate control. Move selector lever into position   9 Check whether on vehicles with cruise control (Tempomat) the Bowden wire rests free of tension against regulating lever with the engine running. Adjust Bowden wire with adjusting nut (1), if re\u00adquired. For this purpose, run engine.   07.2.2 la\u2014110\/3         10\u00a0 \u00a0With the engine running, check whether throttle valve lever (3) rests against adjusting screw (68). 11\u00a0 \u00a0 Check idle speed and adjust with adjusting screw (68), if required.   12 Check idle speed emission value without air in\u00adjection. For this purpose, make air injection inopera\u00adtive as follows (for (usa) 1973\/74 nothing need be made inoperative): (T) 1976 Pull off blue\/purple vacuum line at connecting point (arrow).   1976, model 114 Pull rubber cap (arrow) from blue\/purple vacuum line.   07.2.2 la\u2014110\/4       T) 1976, model 116 Pull rubber cap (arrow) from blue\/purple vacuum line.   (usa) California 1974 Pull off red vacuum line at the connecting point (arrow). (\u00a9) 1975\/76 Pull off blue\/purple vacuum line at connecting point (arrow).   The exhaust gas for idle speed CO measurement on vehicles with catalyst, (T)i976and \u00a9)1975\/76, is drawn off in front of catalyst at check valve (arrow) of air injection.   For measuring idle speed emissions, open valve plate of check valve by means of a self-made wire hook. Connect exhaust gas hose of CO measuring instrument to check valve.   W74-6964   07.2.2 la\u2014110\/5       13 Adjust idle speed emission value without air in\u00adjection. For this purpose, adjust both adjusting screws (arrows) uniformly. Screwing out = richer Screwing in = leaner 107 7433   Then check idle speed synchronization while inserting test wire 0.5 mm dia (arrow) into both air correction nozzles (78) one after the other and measuring CO increase. The CO increase should be uniformly high on both sides. Readjust with idle speed mixture adjusting screws, if required. Note: To prevent measuring faults, do not insert test wire deeper than 10 mm into idle speed air jet. With\u00adout test wire, the max. idle speed emission value may not be exceeded. Readjust uniformly, if required. Accelerate for a short moment, check idle speed and idle speed emission value once again and regulate again, if required.   14\u00a0 \u00a0 Reattach vacuum hose for air injection (air in\u00adjection operating). The idle speed emission value should now be below the previously set value. 15\u00a0 \u00a0Adjust vacuum governor. For this purpose, run engine, pull off vacuum hose (64), adjust specified speed with adjusting screw (63), attach vacuum hose. Attention! When loosening counternut, apply counterhold to diaphragm rod. Engage driving position on automatic transmission, set to specified speed with adjusting nut (61). Turn power steering to full lock and engage air condi\u00adtioning system, engine should still run smoothly. Regulate speed again, if required. 16\u00a0 \u00a0Adjust accelerating pump. For this purpose, run engine, pinch vacuum hose (64). Check whether throttle valve lever (3) rests against adjusting screw (68) (Fig. item 15). Set adjusting nut (25) in such a manner that the actuating lever (198) pushes the diaphragm thrust bolt (199) 1.0 mm inwards.   SO?- 12904\/1   07.2.2 la-110\/6       Starting June 1973 the adjusting nut with pinch lock is replaced by a self-locking polystop nut. Simultane\u00adously, the connecting rod has been extended by 2 mm (to facilitate adjustments).     Former version Present version   Checking operation and direction of injection. For this purpose, slowly actuate throttle valve lever, a uniform fuel jet should now come out of both in\u00adjection bores (arrows) immediately and on both sides. Attention! The fuel jet should not touch edge of Venturi and pre-atomizer, since this may result in starting and bypass faults. If required, remove carburetor cover and clean injection bores.   17 Check dashpot (82) for leaks. Then run engine, pinch vacuum hose of damper (82). Open air valve (154) and release, air valve should then snap back against stop (205). If not, replace dashpot. With the engine stopped, check whether air valve (154) operates easily and returns automatically to stop (205) if slightly opened. 82 Dashpot for air valve stage II   18 Check fuel return valve for leaks. For this purpose, run engine at idle speed. Pinch vacuum hose on fuel return valve, idle speed emission value or engine speed should not change. Replace return valve, if required.   07.2.2 la\u2014110\/7        <\/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":[32,27],"tags":[],"class_list":["post-2469","post","type-post","status-publish","format-standard","hentry","category-carburetor-fuel-pump-throttle-linkage","category-m110"],"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\/2469","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=2469"}],"version-history":[{"count":1,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2469\/revisions"}],"predecessor-version":[{"id":2470,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2469\/revisions\/2470"}],"wp:attachment":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/media?parent=2469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/categories?post=2469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/tags?post=2469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}