{"id":2589,"date":"2023-11-14T20:04:58","date_gmt":"2023-11-14T19:04:58","guid":{"rendered":"https:\/\/mbci.mackuz.ovh\/?p=2589"},"modified":"2023-11-14T20:04:58","modified_gmt":"2023-11-14T19:04:58","slug":"checking-delivery-capacity-of-fuel-pump","status":"publish","type":"post","link":"https:\/\/mbci.mackuz.ovh\/index.php\/2023\/11\/14\/checking-delivery-capacity-of-fuel-pump\/","title":{"rendered":"Checking delivery capacity of fuel pump"},"content":{"rendered":"

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07.3\u2014130 Checking delivery capacity of fuel pump<\/strong><\/div>\n<\/div>\n<\/td>\n
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Test values<\/strong><\/div>\n<\/div>\n<\/td>\n
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Voltage at fuel pump min.<\/div>\n<\/div>\n<\/td>\n
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11.5 V<\/div>\n<\/div>\n<\/td>\n
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Delivery capacity min.<\/div>\n<\/div>\n<\/td>\n
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1 liter\/30 seconds<\/div>\n<\/div>\n<\/td>\n
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Special tool<\/strong><\/div>\n<\/div>\n<\/td>\n
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Clamp for fuel hose<\/div>\n<\/div>\n<\/td>\n
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\"m110<\/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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Voltmeter, graduated measuring glass or measuring cup (at least 1 liter), stop watch<\/div>\n<\/div>\n<\/td>\n
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Self-made fuel hose<\/strong><\/div>\n<\/div>\n<\/td>\n
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Fuel hose<\/div>\n
Tube with sealing cone<\/div>\n
Coupling nut<\/div>\n<\/div>\n<\/td>\n
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500 mm long M 14x 1.5<\/div>\n<\/div>\n<\/td>\n
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Contact bridge<\/div>\n<\/div>\n<\/td>\n
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107-19204<\/strong><\/div>\n<\/div>\n<\/td>\n
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07.3.2 Ha <\/strong>\u2014130\/1 <\/strong>F2<\/div>\n<\/div>\n<\/td>\n
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Checking<\/strong><\/div>\n<\/div>\n<\/td>\n
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1 Check delivery capacity of fuel pump during fuel return flow. For this purpose, unscrew fuel return hose (arrow) on fuel distributor.<\/div>\n<\/div>\n<\/td>\n
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2 Screw self-made fuel hose to fuel distributor and hold into measuring glass or cup.<\/div>\n<\/div>\n<\/td>\n
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3 Check delivery:<\/div>\n<\/div>\n<\/td>\n
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Mixture control unit with <\/strong>safety switch<\/div>\n<\/div>\n<\/td>\n
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Switch-on ignition. Pull cable plug from safety switch in mixture control unit and put cable plug back again after 30 seconds.<\/div>\n<\/div>\n<\/td>\n
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Mixture control unit without <\/strong>safety switch<\/div>\n<\/div>\n<\/td>\n
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Pull off fuel pump relay and bridge the two bushings (wiring diagram 07.3\u2014120). This will provide voltage for fuel pump.<\/div>\n
Pull off contact bridge after 30 seconds.<\/div>\n
Prior to September 1981: Jacks 1 and 2. Starting September 1981: Jacks 7 and 8.<\/div>\n<\/div>\n<\/td>\n
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Model 123<\/div>\n<\/div>\n<\/td>\n
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Model 126<\/div>\n<\/div>\n<\/td>\n
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07.3.2 I la\u2014130\/2 F 2<\/div>\n<\/div>\n<\/td>\n
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4 If the delivery volume is less than 1 liter\/30 seconds, check the following items:<\/div>\n
a)\u00a0 Check strainer in feed connection of fuel distributor for passage.<\/div>\n
b)\u00a0 Check voltage at fuel pump.<\/div>\n
Nominal value = min. 11.5 Volts (with engine stopped).<\/div>\n
c)\u00a0 Check fuel lines for restrictions (squeezed lines).<\/div>\n
d)\u00a0 Pinch leak line between fuel reservoir and intake damper. Check delivery once again. If specified delivery volume is attained, replace fuel reservoir.<\/div>\n
e)\u00a0 \u00a0Replace fuel filter.<\/div>\n<\/div>\n<\/td>\n
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5\u00a0 \u00a0If delivery volume is still too low, replace fuel pump.<\/div>\n
6\u00a0 \u00a0Connect fuel return flow hose. Mount relay.<\/div>\n<\/div>\n<\/td>\n
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07.3.2 I la\u20141 30\/3 F2<\/div>\n<\/div>\n<\/td>\n
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    07.3\u2014130 Checking delivery capacity of fuel pump   Test values   Voltage at fuel pump min. 11.5 V   Delivery capacity min. 1 liter\/30 seconds   Special tool   Clamp for fuel hose 000 589 40 37 00   Conventional tools   Voltmeter, graduated measuring glass or measuring cup (at least 1 liter), stop watch   Self-made fuel hose   Fuel hose Tube with sealing cone Coupling nut 500 mm long M 14x 1.5   Contact bridge   107-19204   07.3.2 Ha \u2014130\/1 F2       Checking 1 Check delivery capacity of fuel pump during fuel return flow. For this purpose, unscrew fuel return hose (arrow) on fuel distributor.   2 Screw self-made fuel hose to fuel distributor and hold into measuring glass or cup. 3 Check delivery: Mixture control unit with safety switch Switch-on ignition. Pull cable plug from safety switch in mixture control unit and put cable plug back again after 30 seconds.   Mixture control unit without safety switch   Pull off fuel pump relay and bridge the two bushings (wiring diagram 07.3\u2014120). This will provide voltage for fuel pump. Pull off contact bridge after 30 seconds. Prior to September 1981: Jacks 1 and 2. Starting September 1981: Jacks 7 and 8. Model 123   Model 126   07.3.2 I la\u2014130\/2 F 2         4 If the delivery volume is less than 1 liter\/30 seconds, check the following items: a)\u00a0 Check strainer in feed connection of fuel distributor for passage. b)\u00a0 Check voltage at fuel pump. Nominal value = min. 11.5 Volts (with engine stopped). c)\u00a0 Check fuel lines for restrictions (squeezed lines). d)\u00a0 Pinch leak line between fuel reservoir and intake damper. Check delivery once again. If specified delivery volume is attained, replace fuel reservoir. e)\u00a0 \u00a0Replace fuel filter.   5\u00a0 \u00a0If delivery volume is still too low, replace fuel pump. 6\u00a0 \u00a0Connect fuel return flow hose. Mount relay.   07.3.2 I la\u20141 30\/3 F2        <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27,33],"tags":[],"class_list":["post-2589","post","type-post","status-publish","format-standard","hentry","category-m110","category-mechanical-gazoline-injection-system-cis"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t