Installation; Injection Pump; Removal - Komatsu PC20R-8 Shop Manual

REMOVAL AND INSTALLATION
REMOVAL OF INJECTION PUMP
Disconnect the negative terminal cable (±) 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) fuel feeding 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 removal be careful not let key drop (11) in
the housing.
PC20R-8 PC27R-8
1
4
9
10
8
13
11
10

INJECTION PUMP

3
2
RKPA2161
7
5
6
RKPA2590
RKPA2600
X2
X1
X2
RKP06390
30-9