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Operation
Visually check the lock-ring is still seated correctly and there
is no clearance between it and the loose flange Fig. 3.
If the lock-ring is not in the correct position stop the proce-
dure as the lock-ring may be ejected from the groove result-
ing 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
repeat the visual check.
When refitting the wheel assemblies, tighten at least 2 diag-
onally opposite wheel nuts and then tighten the tyres to the
specified torque in the order shown in Fig. 4.
Tightening torque: 80 Kg.m
Retighten to the specified torque after 5 hours operation.
4. Twin wheel assembly – 2 part rim
Some KOMATSU machines are fitted with a 2 piece wheel rim of
the type shown in Fig. 5. In this case the loose flange and lock-
ring are replaced by a single split flange.
A.
Split flange
B.
Rim base
PW180-7E0 – VEAM400102
YES – correct assembly
Fig. 3
NO – wrong assembly
Clearance
Fig. 3
Fig. 4
A
Fig. 5
3.23 Operation
B
3-149
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