KCM 70Z7, Operation & Maintenance Manual

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MAINTENANCE
7-87
J. Tire
Check and Replace Tire (Tire Pressure)
Check appearance --- 10 hours (daily)
Check tire pressure when appearance is
questionable or each week (50 hours)
Replace --- as necessary
WARNING:
y
Secure the front and rear chassis with the
articulation lock bar and pins.
y
When inflating tires, stand behind the tread and use
the self-attaching chuck with a line extension.
y
Avoid welding near tires, which could potentially
cause the tires to explode.
y
A tire may explode if it is smoking due to intense
heat such as if the machine catches fire.
y
Never weld on rims. Replace defective rims.
IMPORTANT:
y
Always maintain the correct tire pressure.
y
Even if only one tread pattern has worn out, replace
the tire with new one. Tires must be evenly sized.
Before operating the machine, check the tires for
damage.
y
When replacing one tire, use a new tire having the
same tread pattern and specification as the other
tires.
Check Air Pressure
1. Measure air pressure when the tires are cool before
operating the machine.
70Z7
Standard Tire Standard Air pressure
20.5-25-12PR
325 kPa
(3.25 kgf/cm 2 )
(47 PSI)
2. Check tires for damage and/or excessive wear.
Check Tire for Damage
--- every 10 hours (daily)
WARNING: If tire has external damaged such as deep
cuts, an accident due to puncture or burst of the tire
may occur, possibly resulting in injury or death.
Check the external appearance of tires for damage.
70TM7
Standard Tire Standard Air pressure
23.5-25-16PR
363 kPa
(3.7 kgf/cm 2 )
(53 PSI)
SA-249