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Group 23 Fuel system
Repair Instructions
Observe the greatest possible cleanliness in work on
the fuel system.
Injection pump
Removing the injection pump
NOTE! Repair work that requires work on the injection
pump and which can change it’s settings shall only be
performed by a specially trained mechanic who has
the necessary equipment at his/her disposal.
All warranties for the engine are forfeit if the seals are
broken by unauthorized personnel.
1. Wash the injection pump, injection pipes and the
engine closest to the pump very thoroughly.
2. Close the fuel taps. Remove the delivery pipes
complete. Release the fuel hose from the pump.
Fit protective plugs to all connections.
3. Remove the fixing screws and nuts on the pump.
Turn the stop lever clockwise and carefully lift the
pump, to make the lock clip on the regulator arm
accessible.
Remove the lock clip and free the regulator arm.
NOTE! Retain any shims/gaskets from under the in-
jection pump’s flange when the pump is lifted from the
cylinder block.
4. Send the pump to an authorized diesel workshop
for repair if the workshop does not have specially
trained personnel with the necessary testing
equipment.
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