Komatsu PW130ES-6K Operation & Maintenance Manual page 142

OPERATION
Insert the lock-ring with the aid of specific tools or with levers
G
and a suitable mallet. Check correct seating of the lock-ring
by measuring the dimension of the gap shown in Fig. 2.
If it is not possible to achieve the stated gap with the lock-ring
seated correctly renew the rim assembly.
It is essential that the lock-ring is seated correctly.
Put the wheel assembly into a safety cage and inflate the tyre
G
to a pressure of 1 - 1.5 Bar.
Visually check the lock-ring is still seated correctly and there
G
is no clearance between it and the loose flange Fig. 3.
If the lock-ring is not in the correct position stop the procedure
G
as the lock-ring may be ejected from the groove resulting in
possible injury.
Deflate the tyre and repeat the procedure.
If the lock-ring is correctly positioned continue to inflate the
tyre to the value given in the previous table.
Before removing the wheel assembly from the safety cage
G
repeat the visual check.
When refitting the wheel assemblies, tighten at least 2 diago-
G
nally opposite wheel nuts and then tighten the tyres to the
specified torque in the order shown in Fig. 4.
Tightening torque: 450 Nm
Retighten to the specified torque after 5 hours operation.
G
WARNING
YES CORRECT ASSEMBLY
Clearance
NO WRONG ASSEMBLY
OPERATION
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