Technical data

I
njection pump
Remove Injection pump
29
Preliminary tasks before removing the injection
pump:
The injection pump has two hose connectors and a
pipe connection. The lower connection is for the fuel
supply, the upper connection is designed for the fuel
return hose.
- Remove the injection pipe
- Clamp off the fuel supply line
- Pull off fuel return hose and fuel supply line from
the injection pump
Set the engine throttle to the full position without
pulling the start filling lever when removing the
injection pump.
- Remove the injection pump hex nuts and pull
out the pump
NOTE
Pay attention to the shims between the
pump and crankcase and the washer
in the pump tappet.
- First install the fuel supply line, then fasten the
valve.
When installing the injection pump, rotate the
camshaft so that the injection pump tappet lies on
the camshaft basic radius (lowest position).
- Set regulator lever with the aid of the throttle
The start maximum fuel eccenter must be turned in
such a manner that the eccentric arm points
vertically upward before installing the injection pump.
- Bring the regulator lever into the center position
by slightly adjusting the position of the eccentric
shaft.
- Rotate the plunger on the injection pump
NOTE
The bolt must be exactly in the
middle of the groove in the pump
housing.
- Insert the shims and carefully slide injection
pump in without shifting the regulating bushing