Komatsu PC88MR-10 Shop Manual page 1100

50 Disassembly and assembly
Engine and cooling system
8. Remove joint bolts (13) and (14), and then
disconnect tubes (15) and (16). [*2]
9. Remove clamps (17) and (18), and disconnect
tubes (19) and (20).
10.Remove mounting bolts (21) (4 pieces), and
remove EGR cooler assembly (22).
Installation
(PC88MR-A9L0-720-K-00-A)
Perform installation in the reverse order to
removal.
[*1]
Tighten mounting bolt (11) 3 times in the order of
[1] to [4] to install it.
Mounting bolt (11):
1st time: 9.8 to 14.7 Nm {1 to 1.5 kgm}
2nd time: 24.5 to 29.4 Nm {2.5 to 3.0 kgm}
3rd time: 24.5 to 29.4 Nm {2.5 to 3.0 kgm}
Threaded part of mounting bolt (11):
Molybdenum dioxide lubricant (LM-P)
[*2]
Joint bolts (13) and (14):
9.8 to 12.7 Nm {1.0 to 1.3 kgm}
50-72 PC88MR-10