Komatsu D155A-6 Operation & Maintenance Manual page 162

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OPERATION
USING SEAT BELT
Before fastening the seat belt, inspect the securing brackets and belt for abnormal conditions.
Replace any worn or damaged seat belt or the securing brackets.
Even no problem can be seen with the belt, always replace the seatbelt once every three years. The date of manufacture is
given on the rear side of the belt.
Adjust and fasten the seat belt before operating the machine.
Always use the seat belt when operating the machine.
Fit the seat belt across your lap without twisting.
FASTEN THE BELT AND REMOVE IT
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 start.
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 retract.
Check that the bolts of the clamp securing the belt to the chassis are not loose. Tighten them if they are loose.
Tightening torque: 24.5 ± 4.9 Nm (2.5 ± 0.5 kgm, 18.1 ± 3.6 lbft)
If the seat belt is scratched or frayed, if any fittings are broken or deformed from long service, replace the seat belt
immediately.
WARNING
OPERATION
3 - 111

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