Removal
1. Unscrew all fuel connections.
2. Remove fuel pump after loosening both fastening nuts.
3. Clean fuel pump. Replace suction and pressure valves or replace fuel pump.
Installation
4. Mount fuel pump with new gasket.
5. On M-injection pumps with pneumatic governor, correct oil level in injection pump. For this purpose, unscrew filter (2) on injection pump and add engine oil up to check bore ( 1 ).
6. Mount fuel connections and vent injection system (07.1 -1 40).
7. Check fuel pump (07.1-145).
