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SEN06151-00
Parts and connectors layout
Three fuses related to the air conditioner are in
q
the fuse box at the right rear of the operator's
seat.
q
The air conditioner unit is mounted inside the
rear cover of at the rear cover of the operator's
seat.
k
Park the machine on a level surface, swing
the upper structure by 90 degrees, lower the
work equipment to the ground so that it is
stable, and stop the engine.
k
Turn the battery disconnect switch to the
"OFF" position and pull out the key.
Connector No.
AC01
Intermediate connector
AC02
Intermediate connector
AC03
Air conditioner compressor
ACECU
Engine controller
CM01*
Machine monitor
CM02
Machine monitor
CM03*
Machine monitor
CM04*
Machine monitor
F01
Fuse box
Dual pressure switch
P17
aSwing upper structure 90 deg.
P18
Outside air temperature sensor
P31
Sunlight sensor
R21
Relay
[2]
Power transistor
FRESH/RECIRC air changeover
[5]*
servomotor
[6]*
Inside air temperature sensor
Evaporator temperature sensor
[7]*
(frost sensor)
*: Connectors that are not involved in the troubleshooting
26
80-100
Remarks
Right rear of cab
Right rear of cab
Engine
Rear of cab
Front of cab
Front of cab
Front of cab
Front of cab
Right rear of cab
Under cab
Cooling unit
Machine monitor
Rear of cab
Air conditioner unit
Air conditioner unit
Air conditioner unit
Air conditioner unit
a Note the connector numbers and installed posi-
tions before disconnecting wiring and hoses.
Location
PC200, 200LC, 220, 220LC-8M0
100 Air conditioner
Parts and connectors layout
Reference
item
2.
2.
7.
2.
5.
5.
5.
5.
1.
6.
8.
4.
2.
3.
3.
3.
3.
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