Removal And Installation Of Fuel Injector Assembly - Komatsu PC130-8 Shop Manual

50 Disassembly and assembly
Removal and installation of fuel
injector assembly
Removal
k
Disconnect the cable from the negative (–)
terminal of the battery.
1. Open fuel drain valve (1) and drain the fuel.
a Open the fuel tank cap in advance.
6
Fuel tank: 247 l
2. Open and lock engine hood (2).
PC130-8
3. Removal of the high-pressure pipe
a The following indicates the removal of
1
injector assembly of cylinder No. 1 for
example.
1) Remove clamp (3) from the high-pressure
pipe.
2) Remove boot (4) from the injector and
common rail sides.
3) Remove injector wiring connector (5).
Connector No.
Cylinder No. 1: CN1
Cylinder No. 2: CN2
Cylinder No. 3: CN3
Cylinder No. 4: CN4
4) Remove pin (6) and disconnect spill hose
(7).
5) Loosen sleeve nut (8) both on the injector
side and common rail side and remove
high-pressure pipe (9).
SEN04127-02
[*1]
[*2]
5