Komatsu PW98MR-10 Operation & Maintenance Manual page 196

MACHINE OPERATIONS AND CONTROLS
METHOD FOR CHECKING WATER SEPARATOR, DRAINING WATER AND SEDI-
MENT
1.
Open engine hood (1). For details, see "METHOD FOR
OPENING ENGINE HOOD (3-192)"
2.
Lock securely with hood support lever (2).
3.
Check for water and sediment.
The water separator forms one unit with fuel prefilter (3).
It is possible to judge the water level and amount of sedi-
ment by looking through transparent cup (4).
If there is water or sediment accumulated, drain it accord-
ing to steps 4 to 6.
NOTICE
If the water inside transparent cup (4) freezes, check
that the frozen water has melted completely, then fol-
low the procedure to drain the water.
REMARK
• If transparent cup (4) is dirty or it is difficult to see the inside, clean transparent cup (4) when replacing
fuel pre-filter cartridge (3).
• When the drain valve (6) has been removed during the cleaning operation, coat O-ring with grease and
tighten until it contacts the bottom.
4.
Place a container under drain hose (5) to receive the water.
5.
Loosen drain valve (6) and drain the water.
6.
When fuel starts to drain from drain hose (5), tighten drain valve (6) immediately.
Adjustment of drain valve
If drain valve (6) is stiff, coat O-ring of the drain valve with grease to make the movement smooth.
1.
Open inspection cover (7).
3-128
WENAM00061
OPERATION
RKA47580
RKA50391