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MAINTENANCE
SERVICE PROCEDURE
SELECTION AND INSPECTION OF TIRES
WARNING
If a tire or a rim is handled wrongly, the tire may burst or may be damaged
and the rim may be broken and scattered, and that can cause serious injury
or death.
Since maintenance, disassembly, repair and assembly of the tires and
rims require special equipment and skill, be sure to ask a tire repair
shop to carry out the work.
Do not heat or weld the rim to which the tire is installed. Do not make a
fire near the tire.
SELECTION OF TIRES
WARNING
Select the tires according to the conditions of use and the weight of the attachments on the machine. Use only specified tires and
inflate them to the specified pressure.
Select the tires according to the conditions of use and the weight of the attachments of the machine. Use the
following table.
Since the travel speed indicated on the speedometer varies with the tire size, consult your Komatsu distributor when
using optional tires.
Maximum load [kg (lb)] Tire size Remarks
Front wheel 14000 (30870) 29.5-R25
Type 1 for construction
equipment
Rear wheel 14000 (30870) 29.5-R25
CHECK OF INFLATION PRESSURE OF TIRES AND INFLATION OF THEM
WARNING
When inflating a tire, check that any person will not enter the working
area and use an air chuck which has a clip and which can be fixed to the
air valve.
While inflating the tire, check the inflation pressure occasionally so that
it will not rise too high.
If the rim is not fitted normally, it may be broken and scattered while the
tire is inflated. Accordingly, place a guard around the tire and do not
work in front of the rim but work on the tread side of the tire.
Abnormal drop of inflation pressure and abnormal fitting of the rim
indicate a trouble in the tire or rim. In this case, be sure to ask a tire
repair shop for repair.
Be sure to observe the specified inflation pressure.
Do not adjust the inflation pressure of the tires just after high-speed
travel or heavy-load work.
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