Removal And Installation Of Fuel Injector Assembly - Komatsu PC200-8M0 Shop Manual

SEN06143-00
Removal and installation of fuel
injector assembly
Special tools
Part number
3 795-799-6700
A 4 795-799-1131
5 795-799-8150
a In the case of exchanging fuel injector assem-
bly, exchange inlet connector, too. (See Instal-
lation item 1. 6))
Removal
k
Park the machine on a level ground, lower
the work equipment to the ground stably,
and stop the engine.
k
Disconnect the cable from the negative (–)
terminal of the battery.
1. Remove clamp (7) of wiring harness (10) and
two bands (7a).
2. Remove five head cover mounting bolts (8) to
remove head cover (9).
a After loosening head cover mounting bolts
(8), remove mud and foreign material
sticking around the head cover by blowing
air while holding the head cover with the
hand in order to prevent entry of mud and
foreign material.
6
50-200
Part name
t
Primer
t
Gear
q
Remover

Removal and installation of fuel injector assembly

a When removing head cover (9), take care
not to hit it against the peripheral parts.
1
1
1
1
3. Remove twelve wiring harness nuts (11) from
six fuel injectors (10).
4. Remove the three connectors of engine wiring
harness (12).
a Pull out each connector while pressing the
lock stopper. At this time, hold the gasket
with the hand to prevent it from moving.
5. Lift up and remove gasket assembly (13).
a When removing the gasket, take care that
foreign material does not enter the engine.
a When removing head cover (9), check
gasket assembly (13) visually. If gasket
assembly (13) is cracked, deteriorated, or
worn, replace it with a new one.
[*1]
200 Engine and cooling system
PC200, 200LC, 220, 220LC-8M0
[*2]
[*3]