Komatsu PC88MR-10 Shop Manual page 1054

50 Disassembly and assembly
Engine and cooling system
Bleed air in the fuel system. For details, see
"Testing and adjusting", "Bleed air from fuel
system".
Test fuel
Check for fuel leakage. For details, see "Testing
and adjusting", "Testing fuel circuit for leakage".
Refill with oil
Check that the oil filler plug is closed before
refilling.
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.
When it is filled up with fuel:
125 l l (specified capacity: 100 l l )
50-26 PC88MR-10