Komatsu ecot3 PC300LC-8 Shop Manual page 882

SEN02636-03
a Tighten the No. 1 injector and outlet high-pres-
sure pipe to the following torque.
3
Sleeve nut: 37.3 ± 4 Nm {3.8 ± 0.4 kgm}
a When installing the No. 1 injector high-pres-
sure pipe and supply pump outlet high-pres-
sure pipe, set the slits of the bellows at both
ends of them in the following directions.
q No. 1 injector high-pressure pipe
(injector side): Down
(Common rail side): Out
q Supply pump outlet high-pressure pipe
(supply pump side
and common rail side): Out
[*4]
a Clean the inside of the hose connector and
insert the connector securely.
[*5]
a Install the fuel supply pump assembly accord-
ing to the following procedure.
1) Push in supply pump drive shaft (26),
matching its pin to key way (n) of supply
pump drive gear (21), and tighten nut (22)
and washer (23) temporarily.
4
50 Disassembly and assembly
2) Install fuel supply pump assembly (25)
with 4 mounting nuts (24) and bracket
mounting bolts (27).
2
Mounting nut: Adhesive (LT-2)
3
Mounting nut and bolt:
43 ± 6 Nm {4.4 ± 0.6 kgm}
3) Tighten mounting nut (22)
3
Mounting nut:
180 ± 12.7 Nm {18.4 ± 1.3 kgm}
PC300, 350-8