Komatsu PC15MRX-1 Operation And Maintenance Manual page 81

OPERATION
ADJUSTMENT
Adjust the seat position before starting operations or after changing the operator.
Adjust the seat so that the control levers and switchis can be operated freely and easily with the oper-
ator back against the backrest.
SEAT ADJUSTMENT
(A) Fore-and-aft adjustment
The seat can move forward and backward.
Move lever (1) to the upper, set the operator's seat at the
desired poaition, then release the lever.
Fore-and-aft sdjustment: 100mm (3.9 in) (5 stages)
Adjust the position of the operator's seat to match the opera-
tion.
For example, when carrying out deep digging operations, slide
the seat to the front to improve the view below the front of the
machine.
(B) Adjusting reclining
Pull up lever (2) and set the seat back to a position which is
comfortable for operation, then release the lever.
Sit with your back against the seat back when adjusting. If your
back is not touching the seat back, the seat back may suddenly
move forward.
(C) Adjusting suspention
Pull lever (3) up, then move it to the left to make the suspem-
tion harder or move it to the right to make the suspention softer.
Adjust the lever position to match the weight of the operator
and provide the optimum suspention.
Suspension adjustment: 5 stages 50kg to 120kg (110 lb to 265
lb)
SEAT BELT
Before fastening the seat belt, check that there is no abnormality in the securing brackets or belt. If
there is any wear or damage, replace.
Even if there appears to be no abnormality in the seat belt, replace the seat belt once every 3 years.
The date of manufacture is woven on the reverse side of the belt.
Adjust and fasten the seat belt before operating the machine.
Always use the seat belt when operating the machine.
Do not use the seat belt with either half of the belt twisted.
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.
MACHINE OPERATIONS AND CONTROLS
WARNING
WARNING
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