Komatsu F30791, Shop Manual

Page: 191 / 298

REMOVAL OF INJECTION PUMP
.
Disconnect the negative terminalcable (±) from
the battery.
.
Close the cock of separator to prevent fuel leak-
age.
1 - Remove oil-cooler - radiator group.
(For details, see «REMOVAL OF THE OIL-COOLER -
RADIATOR GROUP»).
2 - Disconnect connector (1) and accelerator cable (2).
3 - Disconnect from injection pump (3) fuelfeeding pipes
(4) and return pipes (5).
4 - Disconnect injection pump (3) lubricating pipe (6).
5 - Disconnect high pressure pipes (7) from injection
pump (3).
6 - Remove the inlet cover (8) to ignition gear system.
7 - Loosen and remove nut (9) and lock washer (10) of
pump driving gear.
H Be careful not let nut (9) and lock washer drop in
the housing.
8 - Remove pump (10) driving gear (3).
H Before removing pump driving gear, mark posi-
tion compared to idling gear.
H For removal, use a puller (X1) and tighten its
screws (X2) directly in the gear (10).
H During removalbe carefulnot let key drop (11) in
the housing.
30-9
REMOVAL AND INSTALLATION INJECTION PUMP
PC20R-8 PC27R-8
RKPA2161
3
1
2
RKPA2590
7
4
5
6
RKPA2600
8
9
10
RKP06390
11
X2
X1
X2
10
13