Komatsu PC110R-1, Operation & Maintenance Manual

Page: 151 / 212

MAINTENANCE PLAN
149
4.7.1.d CLEANING THE WATER SEPARATOR
The water separator can be reached after opening the engine
hood (see “3.5.1 ENGINE HOOD”).
To clean the water separator, proceed as follows:
1 - Loosen the screw (1) and drain the fuel contained in the wa-
ter separator, collecting it into a container with suitable ca-
pacity.
Use a 13 mm spanner.
2 - Loosen the central screw (2) and remove the cup (3) and the
filtering element (4).
Use a 14 mm spanner.
3 - Clean the inside of the cup and the filter with diesel oil or oil.
4 - Put back the filter (4) and the cup (3), tighten the screws (2)
and (1) and bleed the fuel supply circuit as recommended for
the fuel filter.
(See “4.7.11.e CHANGING THE FUEL FILTER”).
5 - Close the hood and start the engine.
IMPORTANT
☞
•
If the filtering element is clogged or damaged, change it.
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