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MAINTENANCE PROCEDURE
1.
Check the bolt for loosening and tighten it further if neces-
sary.
Always turn the bolts in the direction of tightening.
Tightening torque: 785 to 980 Nm {80 to 100 kgm}
2.
If the bolt is broken, replace all of the bolts of the wheel.
METHOD FOR CLEANING AIR CONDITIONER RECIRC AIR FILTER
When using conditioner fresh air filter, there is a danger that dirt may scatter and cause personal injury.
Always wear protective equipment such as protective eyeglasses and dust mask.
1.
Loosen knob (1) and tilt the top of filter inspection cover (2)
together with the filter.
2.
Remove cover (2) and filter together in the direction of the
arrow.
3.
Remove the filter from cover (2).
4.
Clean it by using compressed air as you did for the fresh
air filter.
Replace the filter with a new one when the dirt clogging
the filter cannot be removed by blowing air or every year.
5.
When installing the filter, fit it to cover (2) first.
Insert the filter and cover (2) together between the filter
box and the floor mat from a diagonally upper position.
6.
Tighten the knob aligning it with the knob installation position.
REMARK
If the filter becomes clogged, the air flow will be reduced, and there will be a rumbling sound from the air
conditioner unit.
METHOD FOR CHECKING FUNCTION OF BRAKE ACCUMULATOR
If the engine stops during travel, the brake can be operated with the oil pressure in the accumulator temporarily.
1.
Park the machine on a level ground and lower the work equipment to the ground.
2.
Apply the parking brake.
3.
Start the engine and run it at medium speed for 1 minute and then stop it.
4.
Turn the starting switch to ON position and repeat depressing the brake pedal.
•
If the brake oil pressure caution lamp does not light up when the brake pedal is depressed 6 times, the
gas pressure in the accumulator is normal.
4-52
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WARNING
MAINTENANCE
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