Komatsu H70051 Series Operation & Maintenance Manual page 219

OPERATION
REMARK
The date indicated on the seat belt is the manufactured
date. It is the start of the 5-year period.
The manufactured date of the seat belt is printed on the la-
bel indicated by the arrow in the figure.
Check for any loose bolts of the hardware mounting the
equipment to the machine. Retighten any loose bolts.
Tightening torque: 39.2 ± 2 Nm {4.0 ± 0.2 kgm}
If the seat belt is scratched or frayed, if any fittings are bro-
ken or deformed, replace the seat belt with a new one.
20. Clean cab windows.
Clean the cab windows to secure visibility during operation.
Cleaning from the top of the fender or platform is very dangerous.
Clean with a mop etc. from the ground.
21. Check the tires.
If worn or damaged tires are used, they may burst and
cause serious injury or death.
To ensure safety, do not use the following tires.
Wear:
• Tires with a tread grooves of less than 15 % of that
of a new tire
• Tires with extreme uneven wear or with stepped-
type wear
Damage:
• Tires with damage that has reached cords (1), or
with cracks in the rubber
• Tire with cut or broken cords (1)
• When tires are peeled (separated)
• Tires with damaged bead (2)
• Leaking or improperly repaired tubeless tires
• Deteriorated, deformed or abnormally damaged
tires, which do not seem usable.
22. Check the wheel rims.
Check that the rims (wheels) and rings are free from deformation, damage caused by corrosion and
cracks.
In particular, check the side rings, lock rings and rim flanges thoroughly.
If any problem is found, replace the part.
23. Check the rearview monitor.
Check the rearview monitor for problem. If it is failed, ask your Komatsu distributor for repair.
METHOD FOR CHECKING BEFORE STARTING
Always check the items in this section before starting the engine each day.
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WARNING
MACHINE OPERATIONS AND CONTROLS
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WARNING
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