Komatsu GD555-5 Operation & Maintenance Manual page 138

OPERATION OPERATION
13. Clean cab window
To ensure a good view during operations, always keep the cab
windows clean.
Working on the frame, tire, or hood is very dangerous. Be sure
to carry out the cleaning operation from the ground by using a
handled mop, etc.
14. Inspect 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 the cords, or with cracks in the
rubber
Tires with cut or pulled cords
Tires with peeled (separated) surface
Tires with damaged bead
Leaking or improperly repaired tubeless tires
Deteriorated, deformed or abnormally damaged tires, which do not
seem usable
15. Inspect rims.
Check the rims (wheels) and rings for deformation, corrosion and cracks.
In particular, check the side rings, lock rings and rim flanges thoroughly.
WARNING
WARNING
OPERATION OPERATION
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