Removal And Installation Of Engine Controller Assembly - Komatsu PC200-8M0 Shop Manual

SEN06149-00
Removal and installation of
engine controller assembly
Removal
k
Disconnect the cable from the negative (–)
terminal of the battery.
1. Turn the upper structure by 90
2. Remove cover (1).
3. Open the engine hood.
4. Disconnect connectors CE02 (2) and (3) from
the engine controller.
a The connector is locked with the inside
hexagonal head bolt L6 (4 mm).
5. Disconnect connector (4) from the engine con-
troller by pushing the lock.
6. Remove the mounting bolt and engine control-
ler (5).
a Ground (E) and harness clamp are tight-
ened together with.
4
50-800

Removal and installation of engine controller assembly

1
°
.
Installation
q
[*1]
q
a Reference
[*1]
q
[*1]
1) Remove cover (6) by nipping the tab with twee-
Carry out installation in the reverse order to re-
moval
Check that there is no sand, dust or water
inside the controller connector (especially on
the bottom). If any of them is found, completely
remove them using a blower, etc. (Sand, dust
or water may cause defective contact in con-
nectors or defects by entering water.)
How to replace the seal of O-ring of power
source connector (4).
Seal of O-ring:
1010-074-0406 (NIHON-DEUTSCH Ltd.)
zers [1].
PC200, 200LC, 220, 220LC-8M0
800 Electrical system
or equivalent