Komatsu WA480-8, Operation & Maintenance Manual

Page: 369 / 440

REMARK
If the purified water is added to above the bottom of the sleeve, use a syringe to remove electrolyte. Neu-
tralize the removed fluid with baking soda (sodium bicarbonate), then flush it away with a large amount of
water. If necessary, consult your Komatsu distributor or a battery manufacturer.
METHOD FOR CHECKING ELECTROLYTE LEVEL WHEN IT IS POSSIBLE TO
USE INDICATOR TO CHECK ELECTROLYTE LEVEL
If it is possible to use an indicator to check the electrolyte level, follow the instructions given.
METHOD FOR TESTING PARKING BRAKE
1.
Stop the machine by using the brake pedal on a dry slope road (downhill).
2.
Set the parking brake switch from OFF position (B) to ON
position (A).
3.
Check that the machine is stopped and held at the current
position.
If any problem is found, ask your Komatsu distributor for
adjustment.
METHOD FOR CHECKING AND ADJUSTING AIR CONDITIONER COMPRESSOR
BELT TENSION
k k
WARNING
When checking and adjusting the air conditioner compressor belt tension, stop the engine, and display
the warning tag on the work equipment control lever.
METHOD FOR CHECKING AIR CONDITIONER COMPRESSOR BELT
1.
Open the engine side cover on the right side of the ma-
chine.
2.
Loosen the bolts (4 pieces) and remove cover (1).
3.
Press the middle point between the compressor pulley and
crankshaft pulley with your thumb (approximately 98 N
{10 kg} ).
If the belt defects approximately 25 to 26 mm, its tension is
normal.
When you use a belt tension gauge, the tension is normal
if it is in the range of 294 to 441 N {30 to 45 kg} .
4.
After checking, install cover (1).
MAINTENANCE MAINTENANCE PROCEDURE
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