Method For Checking And Adjusting Air Conditioner Compressor Belt Tension - Komatsu PC290LC-11 Operation & Maintenance Manual

MAINTENANCE
3.
After adding the purified water, tighten cap (4) securely.
REMARK
If purified water is added to above the bottom tip of the sleeve, use a syringe to remove electrolyte. Neutral-
ize the removed electrolyte with baking soda (sodium bicarbonate), then flush it away with a large amount
of water.
If necessary, consult your Komatsu distributor or your battery manufacturer.
METHOD FOR CHECKING ELECTROLYTE LEVEL ON INDICATOR ETC
If it is possible to use an indicator to check the electrolyte level, follow the instructions given.
METHOD FOR CHECKING AND ADJUSTING AIR CONDITIONER COMPRESSOR
BELT TENSION
The followings are the periodic maintenance items for the air conditioner. Perform inspection and maintenance
to use the air conditioner effectively.
METHOD FOR CHECKING AIR CONDITIONER COMPRESSOR BELT
1.
Remove bolts (2) (2 pieces).
2.
Remove guard (1).
3.
Press the center between drive pulley (A) and compressor
pulley (B) with a finger (approximately 60 N {6.1 kg} ).
If deflection (C) is 6.3 to 8.7 mm, the belt tension is normal.
If the deflection is out of the standard, adjust it to the
standard value.
METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT
1.
Remove bolts (2) (2 pieces).
2.
Remove guard (1).
MAINTENANCE PROCEDURE
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