INJECTION PUMP SERVICE MANUAL NUMBER 22
Page 5D-14 90-860074--1 FEBRUARY 2002
16. Remove the fuel supply line between the pump and filter flange.
17. Remove the fuel return hose from connector. Plug the hose after removal to prevent a
fuel leak.
18. Remove the injector fuel return pipe from pump. Discard old sealing washers.
75579
a
b
c
d
c
b
a
a
73911
a-Supply Line (Filter to Pump)
b-Return Hose
c-Connector
d-Return Pipe (Injectors to Pump)
19. Unclamp injection pipes.
CAUTION
Keep injectors and injection pump fittings clean. Do NOT allow dirt to enter fittings
when removing lines. Dirt will cause injectors or injection pump to malfunction.
20. Loosen injection pipe sleeve nuts.
21. Remove high pressure fuel injection pipes from the injection pump and fuel injectors.
73911
a
b
c
a-Clamps
b-Injector Sleeve Nuts
c-Pump Sleeve Nuts
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