SEN04132-01 50 Disassembly and assembly
22 PC130-8
Removal and installation of floor
frame assembly
Removal
k Disconnect the negative terminal (–) of the
battery before starting the work.
k In the case that you do not drain the cool-
ant, if you disconnect the heater hose when
the c
oolant 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 conditioner refrigerant
(R134a) from air conditioner circuit in
advance.
a Ask pr
ofessional traders for collecting and fill-
ing operation of refrigerant (R134a).
a Ne
ver 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
co
nditioner circuit with the refrigerant
(R134a). Collecting and filling work must be
conducted by a qualified person.
1. Turn the upper structure by 90
°.
2. Drain the engine coolant.
6 Coolant : Approx. 14 l
3. Remove the operator's cab assembly by refer-
ring to “Removal and installation of operator's
cab assembly“.
4. Remove cover (1).
5. Disconnect ground (2).
6. Disconnect the following PPC hoses from the
tra
vel PPC valve. The color of the band is;
q (3): Red
q (4): No color
q (5): Green
q (6): Blue
a Pr
epare an oil sump.
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