Mitsubishi S4Q2 User Manual

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Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
ENGLISH
DISASSEMBLY FUEL SYSTEM
FUEL SYSTEM
18 DISASSEMBLY
1. Disconnecting fuel pipes
Remove the pipe clamp from the injection pipes.
Disconnect the injection pipes at the injection
pump and at the injection nozzles. Disconnect the
leak-off pipes from the nozzles by loosening the
lock nuts.
2. Removing fuel injection nozzles
Using a box wrench, remove the fuel injection
nozzles with gaskets from the engine.
3. Removing fuel injection pump
1) Check the alignment of the mark on the fuel
injection pump with the mark on the flange
plate.
Figure 159 Disconnecting fuel pipes
Lock nut
Return pipe
Fuel injection
pipe
Clamp
CAUTION
Put protection caps on the pump and nozzles to keep
dirt and foreign material out of the fuel system.
Figure 160 Removing fuel injection nozzles
NOTE
Remove the nozzle gaskets from the cylinder head, if
any, with a wire or a screwdriver and discard them.
Figure 161 Removing fuel injection pump (1)

Mitsubishi S4Q2 Specifications

General

Brand	Mitsubishi
Model	S4Q2
Category	Engine
Language	English