Komatsu PC200-8M0, Shop Manual, Page: 1152 / 1254

SEN06149-00
50-800
4
PC200, 200LC, 220, 220LC-8M0
800 Electrical system
Removal and installation of engine controller assembly
Removal and installation of
engine controller assembly
1
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.
[*1]
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.
[*1]
6. Remove the mounting bolt and engine control-
ler (5).
a
Ground (E) and harness clamp are tight-
ened together with.
Installation
q Carry out installation in the reverse order to re-
moval
[*1]
q 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.)
a
Reference
q How to replace the seal of O-ring of power
source connector (4).
Seal of O-ring:
1010-074-0406 (NIHON-DEUTSCH Ltd.)
or equivalent
1) Remove cover (6) by nipping the tab with twee-
zers [1].