Komatsu PC88MR-10 Shop Manual page 1059

45.Remove mounting bolts (57) (6 pieces), and
remove fan (58) and fan pulley (59).
46.Remove mounting bolts (60) (2 pieces), and
remove tube (61).
47.Remove mounting bolts (62) (4 pieces) and
mounting bolt (63) (1 piece), and remove water
pump (64).
48.Remove mounting bolt (65), and remove
cylinder head cover (66). [*14]
PC88MR-10
50 Disassembly and assembly
49.Remove nut (72) of injector wiring harness (71)
from the injector.
a Installing position of injector wiring harness
Color of injector wiring
harness
White
Black
a Remove injector harness connectors (73) (2
pieces) of the injector from the rocker
housing only when required.
50.Remove mounting bolts (74) (19 pieces), and
remove rocker housing (75).
51.Loosen lock nuts (76) (8 pieces) and fully loosen
adjustment screws (77) (8 pieces).
52.Remove mounting bolts (78) (7 pieces) and stud
bolts (79) (3 pieces), and remove rocker arm
assembly (80).
53.Remove push rods (81) (8 pieces).
Engine and cooling system
Cylinder No.
1, 3
2, 4
50-31