Komatsu PC200-8M0, Shop Manual, Page: 983 / 1254

SEN06143-00
PC200, 200LC, 220, 220LC-8M0 50-200
21
200 Engine and cooling system
Removal and installation of cylinder head assembly
Removal and installation of
cylinder head assembly
1
Special tools
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 cover (1).
2. Drain the engine coolant.
6 Coolant: 20.3
l
(PC200/200LC-8M0)
19.9
l
(PC220/220LC-8M0)
3. Remove the following referring to the section
of "Removal and installation of engine and
hydraulic pump assembly", steps 5 to 20 in
"Removal".
q
Engine hood
q
Top cover on control valve
q
Cover between hydraulic pump and en-
gine
q
Frame between control valve and engine
q
Cover between control valve and engine
a
The frame between the control valve and
the engine should be kept installed as a
foothold.
4. Disconnect fuel filter hoses (2) and (3) from
fuel supply pump (FSP).
[*1]
a
Remove dirt on the connector in advance.
(Because dirt sometimes makes lock (L) fit
tight.)
a
Pull out the hose while pushing lock (L)
from both sides.
5. Disconnect fuel return hoses (4) and (4a). [*1]
6. Remove fuel filter and bracket assembly (5).
Sym
b
ol
Part number Part name
Necessity Q’t
y
A
3 795-799-6700 Primer
t
1
4 795-799-1131 Gear
t
1
5 795-799-8150 Remover
q
1
6 790-331-1120 Wrench (Angle)
q
1
7 795-790-4510 Gauge
q
1