Komatsu PW98MR-10 Operation & Maintenance Manual page 197

OPERATION
2.
Turn valve (8) to CLOSE position (S).
3.
Place a container under the fuel prefilter cartridge to re-
ceive the fuel.
4.
Loosen drain valve (6) and drain water and sediments
from transparent cup (4), and also drain all the fuel from
fuel prefilter cartridge (3).
5.
Check that nothing more comes out from drain hose (5),
then remove drain valve (6).
6.
Apply a suitable amount of grease to O-ring portion (9).
REMARK
When applying grease, be careful not to allow the grease
to adhere to water drain port (10) and threaded portion (11)
of the drain valve.
7.
Tighten drain valve (6) by hand until it contacts the bottom
of transparent cup (4).
8.
Remove the container for catching the drained fuel.
9.
Set valve (7) to OPEN position (O).
METHOD FOR CHECKING OIL LEVEL IN HYDRAULIC TANK, ADDING OIL
• Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury. Wait for the temperature to go down, and start the work.
• When removing the oil filler cap, the oil may spout out. Turn it slowly to release the internal pres-
sure, then remove it.
1.
Set the machine posture to state A or B.
"State A"
When setting the machine posture to state A, follow the
procedure below.
1)
Start the engine, and run it at low speed.
2)
Lower the blade and/or the outriggers to the ground.
3)
Retract the arm and bucket cylinders.
4)
Swing the boom to the center.
5)
Lower the boom to lower the bucket tooth to the
ground.
6)
Stop the engine.
MACHINE OPERATIONS AND CONTROLS
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WARNING
WENAM00061
RKA47561
3-129