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

50 Disassembly and assembly
Engine and cooling system

Removal and installation of fuel cooler assembly

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.
Removal
(PC88MR-B7W0-520-K-00-A)
1. Remove the air cleaner assembly. For details,
see "Removal and installation of air cleaner
assembly".
2. Remove battery (1a) according to the following
procedure.
1) Remove rubber cover (2a).
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).
3. Disconnect clamp (1).
4. Disconnect hoses (2) and (3). [*1]
a Plug the disconnected hose to prevent oil
leakage and dirt entry.
50-60
(PC88MR-B7W0-924-K-00-A)
a Be sure to fix the elbow on the fuel cooler
side by using another wrench, and
disconnect it so that the force is not applied
to the cooler main unit.
a If the wrench is not used, the force may be
applied to the cooler main unit and the weld
portion may crack.
5. Remove mounting bolts (4) (3 pieces), and
remove fuel cooler assembly (5) together with
the bracket.
Installation
(PC88MR-B7W0-720-K-00-A)
Perform installation in the reverse order to
removal.
[*1]
a When installing the hose, be sure to fix the
elbow on the fuel cooler side by using another
wrench, and tighten it so that the force is not
applied to the cooler main unit.
a If the wrench is not used, the force may be
applied to the cooler main unit and the weld part
may crack.
PC88MR-10