Removal And Installation Of Hydraulic Oil Cooler Assembly - Komatsu PC88MR-10 Shop Manual

Removal and installation of hydraulic oil cooler assembly

a Special tools
S-
y-
Part No.
mbol
2796-460-1210 Oil stopper
D
796T-460-1240 Lot
Place the machine on a level ground and
lower the work equipment to the ground in a
stable posture.
Stop the engine, turn the battery disconnect
switch to OFF position, and remove the key.
(For details, see Testing and adjusting,
"Handling battery disconnect switch".)
Set the lock lever in LOCK position.
Remove the drain plug, and drain the
remaining hydraulic oil from the hydraulic oil
cooler.
Loosen the cap of the hydraulic tank slowly,
and release the pressure in the hydraulic
tank.
Removal
(PC88MR-B8P0-520-K-00-A)
1. Remove engine hood assembly. For details, see
"Removal and installation of engine hood
assembly".
2. Remove the air cleaner assembly. For details,
see "Removal and installation of air cleaner
assembly".
3. Remove clamp (1), and remove air cleaner hose
(2). [*1]
4. Remove battery (1a) according to the following
procedure.
1) Remove rubber cover (2a).
PC88MR-10
Part name
t 1
1
50 Disassembly and assembly
2) Disconnect wiring (3a), (3b), and (3c).
3) Remove mounting bolts (4a) (4 pieces), and
remove brackets (5a) (2 pieces).
4) Remove batteries (1a) (2 pieces).
5. Remove mounting bolts (3) (4 pieces), and
remove cover (4e).
6. Loosen drain plug (5b) of the hydraulic oil tank,
and drain the oil. [*2]
Hydraulic oil:
56 l l (specified capacity: 100 l l )
a When using tool D, remove the hydraulic
tank strainer, install tool D and stop draining
the oil.
Engine and cooling system
(PC88MR-B8P0-924-K-00-A)
50-43