Carburetor, fuel pump, throttle linkage
Adjusting accelerating pump
07.2—150 Adjusting accelerating pump Testing and adjusting values Begin of injection immediately Special tool Clamp 000 589 40 37 00 Note Perfect functioning of accelerating pump as well as…
Subsequent installation of choke cover-stepped heater
07.2—147 Subsequent installation of choke cover-stepped heater 1974 Federal Testing and adjusting values Voltage at pre-resistor output above + 17 °C engine oil temperature below + 17 °C engine oil temperature approx.…
Checking choke cover-stepped heater
07.2—145 Checking choke cover-stepped heater A. ©1976 Test conditions: All fuses in order, engine at operating temperature, run engine at idle. Wiring diagram (drawn with ignition switched off below 17 °C engine…
Checking and correcting choke housing mark
07.2—142 Checking and correcting choke housing mark Testing and adjusting values Distance “a” between choke housing and driver (197) approx. 1.0 mm Choke cover preload to mark Checking, correcting 1 …
Removal and installation of choke
07.2—140 Removal and installation of choke Note The starter housing can be removed or installed without difficulties only with carburetor removed. Removal 1 Remove carburetor (07.2-194). 2 Pull vacuum hose from…
Testing and adjusting TN choke for function
07.2—130 Testing and adjusting TN choke for function Testing and adjusting values TN control piston overlap at + 85 °C coolant temperature 0.8-1.0 mm TN control window opening at + 20 °C…
Testing pulldown diaphragm for leaks
07.2—134 Testing pulldown diaphragm for leaks Special tool Clamp 000 589 40 37 00 Testing a) Choke housing version 1 (sheet metal pulldown) 1 Run engine at idle until diaphragm rests…
Adjusting choke rod
07.2-132 Adjusting choke rod Testing and adjusting value Distance “a” between choke housing and driver (197) approx. 1.0 mm Checking, correcting 1 Check whether driver (196 and 197) is at right angle…
Removal and installation of TN choke
07.2—138 Removal and installation of TN choke Special tool Clamp 000 589 40 37 00 Removal W7-1Z715 1 Pinch coolant hoses and pull off. 2 Pull TN choke out of carburetor…
Testing starting device (choke) for function (cold start)
07.2—128 Testing starting device (choke) for function (cold start) Testing and adjusting values voltages measured at battery Rest potential min. 12.2 volts Starting voltage min. 10 volts Regulating voltage alternator 13.0-14.5 volts…