Komatsu PC88MR-10 Shop Manual page 1047

21.Remove nut (29), washer (30) and gear (31)
from shaft (28). [*6]
Installation
(PC88MR-AD70-720-K-00-A)
Perform installation in the reverse order to
removal.
[*1]
Mounting bolt (7):
8.8 to 14.7 Nm {0.9 to 1.5 kgm}
[*2]
Joint bolts (14) and (15):
14.8 to 12.7 Nm {15 to 1.3 kgm}
[*3]
Joint bolt (18):
9.8 to 12.7 Nm {1.0 to 1.3 kgm}
[*4]
a Make the slit of the fuel spray prevention caps
installed to fuel high-pressure pipe (12) to face
down.
a The fuel spray prevention caps are installed so
that fuel will not spout over the hot part of the
engine when it leaks by any chance.
[*5]
1. Install fuel high-pressure pipe (20).
a When installing fuel high-pressure pipe (20),
be careful not to apply excessive force to the
tube.
PC88MR-10
50 Disassembly and assembly
Sleeve nut for fuel high-pressure pipe
(20):
39.0 to 44.0 Nm {4.0 to 4.5 kgm}
[*6]
Perform positioning of supply pump gear
a Perform the positioning of top positions of
pistons #1 and #4.
a When installing the supply pump assembly to
the front cover, align straightly tapped hole (a) of
the gear and the tapped hole (b) of the front
cover viewing from the engine front.
a Install it with the stamp mark "C" (A) part of the
gear facing the idler pulley.
Gear mounting nut (27):
58.8 to 68.6 Nm {6.0 to 7.0 kgm}
Engine and cooling system
50-19