Method For Washing Washable Floor - Komatsu PC290LC-11 Operation & Maintenance Manual

MAINTENANCE PROCEDURE
(A) No bubbles in refrigerant flow: Suitable
(B) Some bubbles in refrigerant flow: In sufficient (bubbles pass
continuously)
(C) Colorless, transparent: No refrigerant
REMARK
When there are bubbles, the refrigerant gas level is low, so contact your Komatsu distributor to have refrigerant
added. If the air conditioner is run with the refrigerant gas level low, it will cause damage to the compressor.

METHOD FOR WASHING WASHABLE FLOOR

On the washable cab floor, it is possible to flush out the dirt directly with water.
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If the control lever is touched by accident, the machine
may move suddenly, and this may lead to serious personal
injury or death. Always set the lock lever securely to LOCK
position (L) before leaving the operator's seat.
Select a firm flat place for work.
When setting the machine at an angle, use strong blocks
to stabilize the base of the machine and be extremely care-
ful when performing the work.
METHOD FOR CLEANING WASHABLE FLOOR MAT
1.
Stop the machine on a level ground, lower the bucket to
the ground, stop the engine, and then perform the cleaning
2.
When washing the floor mat, use a brush to remove the
dust, or directly water the mat to wash it with a brush.
METHOD FOR CLEANING CAB FLOOR
NOTICE
When performing this work, be careful not to splash water
onto the monitor and connectors inside the operator's cab.
Never splash water on the things above the pedestal of the
operator's seat (4).
If any water splashes on the surrounding equipment, be
sure to wipe it off.
1.
Set the machine at angle.
4-32
WARNING
MAINTENANCE