UEN00666-01 50 Disassembly and assembly
2 PC210, 230, 240-8
Electric components
Removal and installation of air
conditioner unit assembly
Special tools
Removal
k For machine with disconnect switch:
Before starting work, turn the starting
switch to the OFF position, wait over one
minute, then switch off the battery discon-
nect switch and take out the disconnect
key.
For machine with no battery disconnect
switch:
Cut off power, wait for approx. one minute
after turning off the engine starting key
and then disconnect the negative (–) ter-
minal of the battery.
k Collect the air conditioner gas (R134a).
k If the air conditioner gas (R134a) gets
inside one's eyes, it may cause blindness.
Therefore, make sure to wear protective
glasses when collecting or filling the gas.
Collecting and filling work must be con-
ducted by a qualified person.
1. Turn the upper structure by 90 degrees.
2. Drain the engine cooling water.
6 Coolant: Approx. 21.4l
3. Remove front window (1).
4. Remove step plate (2).
5. Remove floor mat (3).
6. Remove cover (5) and (6).
7. Pull down opening and closing lever (8) of the
outside air filter cover.
8. Remove outside air-filter(9).
9. Remove rear cover (10) to (13).
Symbol
Part number Part name
Necessity
Q’ty
N/R
Sketch
X1
799-703-1200 Service tool kit t 1
799-703-1100
Vacuum pump
(100V)
t 1
799-703-1111
Vacuum pump
(220V)
t 1
799-703-1121
Vacuum pump
(240V)
t 1
799-703-1401 Gas leak detector t 1
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