Komatsu D65EX-12 Operation & Maintenance Manual page 104

Bulldozer
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OPERATION
USING SEAT BELT
Always install a seat belt on machines equipped with ROPS.
Before fitting the seat belt, check that there is no abnormality in the mounting bracket and mounting
belt of the belt. If the belt is worn or damaged, replace it.
Replace the seat belt every three years, even if their outside is free from abnormality. The year of man-
ufacture is woven on the back side of the belt.
Always fasten the seat belt before starting operations.
Always use the seat belt during operations.
Do not twist the left or right side of the seat belt when fastening it.
Check that the bolts of the clamp securing the belt to the chassis are not loose. Tighten them if they are loose. The
tightening torque for the mounting bolt is 24.5 ± 4.9 N•m (2.5 ± 0.5 kgf•m,18.1 ± 3.6 lbft).
If the belt surface is scratched or frayed or if the fittings are broken or deformed, replace the seat belt unit.
FASTENING AND REMOVING BELT
1.
Sit on the seat, depress the brake pedal fully, and adjust the seat so that your back is pressed against the
backrest.
2.
After adjusting the seat position, adjust tether belt (1).
Tense the tether belt and install it when there is no one
sitting on the seat.
3.
Sit on the seat and hold tongue (4) connected to wind-in
mechanism (2) and pull out the belt slowly so that the belt
will cover your abdomen sufficiently.
4.
Insert tongue (4) in buckle (3) until it clicks. The belt is
pulled back into wind-in mechanism (2) until it is fitted to
your abdomen. The belt is locked under this condition
and cannot be extended anymore. Fit the belt to your
abdomen without twisting it.
REMARK
If the belt is locked before the tongue is inserted in the buckle, let it return to the wind-in mechanism, then repeat
the above procedure from the first.
5.
Pull the belt to check that it is securely locked in position.
6.
When removing the belt, press the red button on buckle (3).
The belt will automatically be wound in.
WARNING
OPERATION
3-57

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