Komatsu PC88MR-10 Shop Manual page 1053

3) Tighten the mounting sleeve nut of the fuel
high-pressure pipe on the injector side to the
specified torque.
Mounting sleeve nut:
39.0 to 44.0 Nm {4.0 to 4.5 kgm}
4) Tighten the mounting sleeve nut of the fuel
high-pressure pipe on the common rail side
to the specified torque.
Mounting sleeve nut:
39.0 to 44.0 Nm {4.0 to 4.5 kgm}
5) Install clamp (17) of fuel high-pressure pipe
(19).
6) Install fuel spray prevention cap (18) to each
sleeve nut of the fuel high-pressure pipes.
a Make the slit of the fuel spray prevention
cap 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.
Perform subsequent installation in the reverse
order to removal.
[*1]
Insertion positions of aftercooler upper hose (2)
and the clamp must be as shown in the following
figure.
a Install the hose and tube to the position marked
when they were installed.
a Check mark (e) of the hose facing upward and
then install it.
a: 5 mm
b: 60 mm
c: 9 mm
d: 30 deg.
Clamp (1):
10.5 ± 0.5 Nm {1.1 ± 0.05 kgm}
PC88MR-10
50 Disassembly and assembly
[*2]
Clamp (3):
3.0 to 3.5 Nm {0.30 to 0.35 kgm}
[*3]
Clamp (6):
5.9 ± 0.49 Nm {0.6 ± 0.05 kgm}
[*4]
Insertion position of EGR piping (13) and the
clamp must be as shown in the following figure.
a Install the hose and tube to the position
marked when they were installed.
Clamp (12):
8.8 ± 0.49 Nm {0.9 ± 0.05 kgm}
Bleed air
Engine and cooling system
50-25