Komatsu PW98MR-10, Operation & Maintenance Manual

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(A) No bubbles in refrigerant flow: Suitable
(B) Some bubbles in refrigerant flow (bubbles pass continuous-
ly): Insufficient
(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 CHECKING, CLEANING AND LUBRICATING SLIDE DOOR RAIL
AND ROLLER
METHOD FOR CHECKING SLIDE DOOR RAIL AND ROLLER
Open and close the sliding door and check if mud, etc. is stuf-
fed between sliding door rail (1) and roller (2) at the 3 places in
the figure.
If mud, etc. is stuffed, the door does not move smoothly.
If the door does not slide smoothly due to stuffed mud, etc.,
clean and grease the sliding door rail (1) and roller (2).
METHOD FOR CLEANING SLIDE DOOR RAIL
1.
Open and close the sliding door, and use a brush to remove any dirt from rail (1).
2.
Use a cloth to wipe off any dirt from rail (1).
METHOD FOR LUBRICATING SLIDE DOOR RAIL AND ROLLER
NOTICE
Do not use high-viscosity lubricating oil.
Recommendation by manufacturer: “PANDO 18C” manufactured by THREEBOND
Prepare lubricant.
1.
Spray rail (1) and roller (2) thoroughly with lubricant.
2.
After spraying with lubricant, slide the door and check that the door opens and closes smoothly.
If the movement is not smooth, consult your Komatsu distributor.
MAINTENANCE PROCEDURE MAINTENANCE
4-26
WENAM00061