Komatsu PC200-8M0 Shop Manual page 477

103 Testing and adjusting, Part 3
Preparation work for troubleshooting of electrical system
a The connectors of the pump control-
ler have a special locking mecha-
nism. Disconnect them according to
steps (a) to (c) and connect them
according to steps (d) to (f) as shown
below.
Disconnection: (a) Unlock – (b)
Slide lever – (c) Disconnect connec-
tor.
Connection: (d) Position connector –
(e) Slide lever – (f) Lock.
4. KOMTRAX communication module
1) Slide the operator's seat and seat
stand to the forward end.
2) Remove the five mounting bolts and cool
& hot box (9).
a While removing the cool and hot box,
disconnect the drain hose.
3) Remove the two mounting bolts, one fas-
tener, and magazine box (10).
4) Remove the three mounting bolts and
cover (11).
5) Remove the seven mounting bolts and
cover (14).
PC200, 200LC, 220, 220LC-8M0
6) Connect troubleshooting T-adapters to
connectors CK01 and CK02 of
KOMTRAX communication module (15).
5. Atmospheric pressure sensor (AMBAIR
PRESSURE)
Engine Ne speed sensor (CRANK SENSOR)
Engine Bkup speed sensor (CAM SENSOR)
Engine oil pressure switch (OIL PRESSURE
SWITCH)
a Disconnection and connection of con-
nector
The connectors of the atmospheric pres-
sure sensor, engine Ne speed sensor,
engine Bkup speed sensor, engine oil
pressure switch have a special locking
mechanism. Disconnect them according
to steps (a) to (c) and connect them
according to steps (d) to (f) as shown
below.
Disconnection: (a) Slide lever – (b)
Unlock – (c) Disconnect connector.
Connection: (d) Connect connector – (e)
Lock – (f) Slide lever.
SEN06129-01
5
30-103