Removal And Installation Of Engine Assembly - Komatsu WA250-6 Shop Manual

SEN03852-00
Removal and installation of
engine assembly
Removal
k
Stop the machine on a level ground and set
the lock bar to the frame to fix the front and
rear frames.
k
Lower the work equipment to the ground,
stop the engine, apply the parking brake,
and put chocks under the tires.
k
Disconnect the cable from the negative (–)
terminal of the battery.
k
If the radiator coolant temperature is high,
you may scald yourself with the hot cool-
ant. Wait until the coolant is cooled, and
then drain the coolant.
1. Loosen the radiator cap to drain the coolant.
6
Radiator: Approx. 22 l
2. Remove the engine hood. For details, see
"Removal and installation of engine hood".
3. Remove muffler cover (1).
a Remove the muffler cover since it will
interfere with the engine slings (wire
ropes, etc.)
34
50-200

Removal and installation of engine assembly

4. Disconnect fuel prefilter wiring harness clamp
(2) and connector CN-E42 (2a).
1
a The fuel prefilter was removed and fixed in
"Removal and installation of engine hood
assembly".
5. Remove wiring harness clamp (3).
6. Disconnect alternator wiring harness terminals
CN-E02 (4) and CN-E03 (5).
7. Remove hose clamp (6).
8. Disconnect heater return hose (7).
200 Engine and cooling system
WA250, 250PZ-6