Removal And Installation Of Cylinder Head Assembly - Komatsu ecot3 PC300LC-8 Shop Manual

50 Disassembly and assembly
Removal and installation of
cylinder head assembly
Special tools
Part number
1 795-799-8150 Remover
B 2 795-799-6700 Puller
3 760-331-1110 Wrench
Removal
k
Disconnect the negative (–) terminal from
the battery.
1. Drain the engine coolant.
6
Coolant: 36 l
2. Open the engine hood.
3. Remove clamps (1) and (2), U-bolt (3), and air
intake tube (4).
4. Remove air intake connector (5).
5. Remove belt cover (6) and fan guard (7).
6. Disconnect connector M34 (8).
7. Loosen air conditioner compressor belt (9) and
remove it.
PC300, 350-8
Part name
q 1
t 1
q 1
[*1]
[*2]
8. Remove air conditioner compressor (10) and
bracket together and move them to a place
1
where they will not be obstacle to the work.
9. Disconnect hoses (11) and (12) and tubes (13)
and (14).
10. Remove the fuel filter and corrosion resistor
head assembly (15).
11. Remove brackets (16) and (17).
12. Remove supply pump outlet high-pressure
pipe (18).
13. Disconnect connectors CYL1 and CYL2 (19),
CP3 (20), and FUEL (21).
SEN02636-03
[*3]
[*4]
[*5]
13