Komatsu PC18MR-3, Operation & Maintenance Manual

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USE OF THE MACHINE AND RELATED CONTROLS
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SEAT BELT
WARNING
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Before fastening the seat belt, make sure that the fastening brackets or the belt itself do not show any
anomaly. If there are damaged or worn parts, change the belt.
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The safety belt can be replaced also if there are not failures or wear signs according to the following
program.
After 5 years from the production date indicated on the belt back or every 3 years from first use,
whichever is the shortest period.
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Adjust and fasten the seat belt before operating the machine.
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Make sure that none of the two parts of the belt is twisted.
Make sure that the screws that fasten the belt to the frame are not loose. If necessary, apply a tightening torque of
24,5 ± 4,9 Nm (2,5 ± 0,5 kgfm).
If the surface of the belt is damaged or if the couplings are broken or deformed, change the belt assembly.
Fastening and unfastening the seat belt
1. Adjust the seat in such a way as to ensure that there is suffi-
cient knee room when pressing the pedal thoroughly while
seated, with the back resting against the backrest.
2. After adjusting the seat, seat correctly and insert the tang (2)
in the buckle (1). Pull the belt to make sure that the tang is
securely locked in the buckle.
3. To unfasten the belt, lift the upper part of the buckle (1) and
release it.
Fasten the belt without twisting it.
Adjust the belt length by proceeding as indicated below.
ADJUSTING THE SEAT BELT
How to shorten the belt
Pull the free end of the belt on the tang side.
How to lengthen the belt
Pull the belt, keeping it perpendicular to the tang.