Komatsu PC20R-8, Operation & Maintenance Manual

Page: 163 / 196

MAINTENANCE PLAN
161
4.7.9.c CHANGING THE FUEL PUMP PRECLEANER
DANGER
•
Change the precleaner after work, when the engine has cooled down to 40÷45°C.
•
When these operations are carried out, fuel may be spilled; clean the dirty areas immediately, in order
to prevent any risk of slipping or fire.
•
Oils, filters, the coolant and the battery are considered special waste and must be collected and dis-
posed of according to the anti-pollution regulations in force.
1 - Place a container under the precleaner (1), to gather the fuel.
2 - Shift the accelerator lever to the idling position.
3 - Remove the precleaner from the clamp (2).
4 - Remove the clamp (3) and disconnect the pipe (4) from the
precleaner.
5 - Remove the clamp (5), disconnect the pipe (5) from the used
precleaner and throw the latter away.
6 - Connect the pipes (4) and (6) to a new precleaner and fasten
them with the clamps (3) and (5).
7 - Install the precleaner in the clamp (2) and bleed the fuel sup-
ply circuit (See “4.7.9.b CHANGING THE FUEL FILTER”).
RYA12210
MIN.
1
2
RWA06280
4
4
6
5
2
1
3