Removal And Installation Of Fuel Cooler And Air Conditioner Condenser Assembly - Komatsu Galeo PC800-8 Shop Manual

50 Disassembly and assembly
Removal and installation of fuel
cooler and air conditioner
condenser assembly
k
Lower the work equipment to the ground
and stop the engine.
k
Loosen the cap of the hydraulic tank gradu-
ally to release the internal pressure of the
hydraulic tank.
k
Disconnect the cable from the negative (–)
terminal of the battery.
k
In the case that you do not drain the cool-
ant, if you disconnect the heater hose when
the coolant temperature in the radiator is
high, you may be scalded. In this case, wait
until the coolant temperature lowers and
then disconnect the heater hose.
k
Collect the air
(R134a) from the air conditioner circuit in
advance.
a Ask professional traders for collecting and fill-
ing operation of refrigerant (R134a).
a Never release the refrigerant (R134a) to the
atmosphere.
k
If refrigerant gas (R134a) gets in your eyes,
you may lose your sight. Accordingly, put
on protective goggles while you are collect-
ing the refrigerant (R134a) or filling the air
conditioner circuit with the refrigerant
(R134a). Collecting and filling work must be
conducted by a qualified person.
a Before disconnecting each hose, mark it with a
tag etc. to indicate its position.
a Install oil stopper plugs to the disconnected
tubes and hoses.
1. Close fuel tank valve (1).
PC800, 850-8
conditioner refrigerant
2. Open radiator grille (2).
1
3. Remove fuel cooler guard (3).
4. Disconnect fuel cooler hoses (4) and (5).
5. Remove fuel cooler (6).
6. Disconnect clamps (7).
7. Disconnect air conditioner condenser hoses
(8) and (9).
8. Remove air conditioner condenser (10).
SEN01053-01
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