Komatsu PC88MR-10 Shop Manual page 1175

21.Remove main pump assembly (38).
Main pump assembly (38):
67 kg
Installation
(PC88MR-C200-720-K-00-A)
Perform installation in the reverse order to
removal.
[*1]
Hydraulic oil drain plug (6):
58.8 to 78.4 Nm {6 to 8 kgm}
[*2]
Mounting bolt (34):
54 to 89 Nm {5.5 to 9 kgm}
Refill with coolant
Refill it with the coolant to the specified level
through the coolant filler port. Run the engine to
circulate the coolant through system. Then
check the coolant level again.
Coolant:
13 l l
Refill with oil
Refill it with oil to the specified level through the
oil filler port. Run the engine to circulate the oil
through the piping. Then check the oil level
again.
Hydraulic oil:
56 l l (specified capacity: 100 l l )
Adjusting air conditioner compressor belt
Adjust the air conditioner compressor belt. For
details, see "Testing and adjusting", "Test and
adjust air conditioner compressor belt tension".
Adjust fan belt
Adjust the air conditioner compressor belt. For
details, see "Testing and adjusting", "Replace
fan belt".
Bleed air (Hydraulic system)
Bleed air from the hydraulic pump circuit. For
details, see "Testing and adjusting", "Bleed air
from hydraulic circuit".
PC88MR-10
50 Disassembly and assembly
Hydraulic system
50-147