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3.3 Operation
Clearing fallen stones and rocks from the operating area and
maintaining the surface will extend the tire life and give improved
economy.
For operations on normal road surfaces, rock digging opera-
tions: High end of range in air pressure chart
Stockpile operations on soft ground: Average pressure in air
pressure chart
Operations on sand (operations not using much digging
force): Low end of range in air pressure chart
If the deflection of the tire is excessive, raise the inflation pres-
sure within the limits given in the table to give a suitable deflec-
tion (see deflection ratio).
H
Tire size
Free Height
(Pattern)
(mm)
29.5-25-22PR
(L3 Rock)
529
(Standard)
The specified air pressure values might deviate from the stan-
dard values under special conditions. If this is the case, please
contact an authorised KOMATSU dealer.
Stockpile operations mean the loading of sand and other loose
materials.
Precautions for using load and carry method
When traveling continuously with load and carry operations,
choose the correct tires to match the operating conditions, or
choose the operating conditions to match the tires. If this is not
done, the tires will be damaged, so contact your KOMATSU dis-
tributor or tire dealer when selecting tires.
3-158
Inflation pressure MPa {kgf/cm², PSI}
Soft ground (sandy ground)
Stockpile
Digging
Front tire: 0.39
Front tire:0.44
{4.0, 56.8}
{4.5, 63.9}
Rear tire: 0.34
Rear tire: 0.39
{3.5, 49.7}
{4.0, 56.8}
Normal road
Stockpile
Digging
Front tire: 0.44
Front tire: 0.44
{4.5, 63.9}
{4.5, 63.9}
Rear tire: 0.39
Rear tire: 0.39
{4.0, 56.8}
{4.0, 56.8}
Operation
When
shipped from
factory
Front tire: 0.44
{4.5, 63.9}
Rear tire: 0.39
{4.0, 56.8}
H
GK043173
WA500-6H – VEAM430100
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