Removal And Installation Of Engine And Main Pump Assembly - Komatsu PC88MR-10 Shop Manual

Removal and installation of engine and main pump assembly

00-A)
a Special tools
S-
y-
Part No.
mbol
796-460-1210 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.
Release the remaining pressure in the
hydraulic system. For details ,see "Testing
and adjusting", "Releasing remaining
pressure from hydraulic system".
Removal
(PC88MR-R400-520-K-00-A)
1. Open cover (1a), and turn valve (1b) at the
bottom of the main pump to CLOSE position (S).
PC88MR-10
Part name
t 1
1
50 Disassembly and assembly
2. Open fuel drain cock (1c), and drain the fuel.
When filled up with fuel:
125 l l
a It is for fuel not to flow reverse from return
fuel piping into cylinder.
3. Remove mounting bolts (1) (3 pieces), and
remove cover (2).
4. Open coolant drain cock (3), and drain the
coolant.
Coolant:
13 l l
5. Remove mounting bolts (4) (2 pieces), and
remove cover (5).
Engine and cooling system
(PC88MR-R400-924-K-
50-49