Removal and installation of mixture controller
07.3—200 Removal and installation of mixture controller Tightening torques Nm Hex. screws mixture controller to air guide housing 9-10 Hex. nuts mixture controller to intake manifold (rubber buffer) 9-10 Injection lines…
Survey mixture preparation
07.3—199 Survey mixture preparation 1 Cold starting valve 2 Fuel distributor 3 Injection lines 4 Plastic clip 5 Plastic clip 6 Fuel line 7 Nut 8 Corrugated washer 9 Fastening bridge 10 Injection valve…
Checking fuel pump relay with electronic rpm regulation (breakaway)
07.3—165 Checking fuel pump relay with electronic rpm regulation (breakaway) Breakaway speeds Engine MB-part no. Breakaway speed 1/min Speed signal Without decel shutoff Standard version and starting model year 1981 …
Checking fuel distributor for constant delivery
07.3—160 Checking fuel distributor for constant delivery Test values Load range Fixation of air flow sensor plate at approx. . . cc/min max. dissipation in cc/min With gray iron fuel distributor …
Checking idle speed stabilization with rpm increase following start
07.3—150 Checking idle speed stabilization with rpm increase following start Conventional tools Revolution counter Digital tester e.g. made by Bosch, MOT 001.3 Testi ng 1 Run engine at idle. 2 …
Checking idle speed stabilization on engines with refrigerant compressor
07.3—145 Checking idle speed stabilization on engines with refrigerant compressor Conventional tool Voltmeter, revolution counter Digital tester e.g. made by Bosch, MOT 001.03 Testing 1 Run engine at idle. When adding…
Checking decel shutoff
07.3-140 Checking decel shutoff Test values Speed …
Checking injection valves
07.3—135 Checking injection valves Test values Injection valves Bosch no. 0 437 502 010 with new injection valves 3.5—4.1 bar gauge pressure Opening pressure with used injection valves min. 3.0…
Checking delivery capacity of fuel pump
07.3—130 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…
Checking choke system
07.3-125 Checking choke system Test values in bar gauge pressure Engine 110.984/985 110.986/987 110.988/989 110.990 System pressure at idle with engine cold or at operating temperature 5.0-5.6 Warm-up compensator stabilized 3.4-3.8 at 530…