UD Trucks QUESTER Series, Руководство пользователя

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8.INSPECTION AND MAINTENANCE
8-22
1. Inner disc wheel
2. Bolt
3. Wheel nut
4. Outer disc wheel
D u r i n g t y r e r o t a t i o n , w h e n t h e
a d d i t i o n a l p a i n t i n g s u r f a c e ( e . g .
colored body on the wheel flat area)
comes in contact with the mating
part (hub wheel), peel off the paint of
the contact surface (flat area). Clean
the surface with a wire brush and
install tyres.
•
Check the disc wheel. If crack is
found, replace it.
• Install double tyres so that the air
valves of the inner tyre and the
outer tyre are diagonal in position.
Inspection- Wheel nut, hub bolt,
and disc wheel
•
When replacing a tyre, check for
any malfunction in the wheel nut,
hub bolt and disc wheel. If found
replace with a new.
• Check that no cracks or damage
is found, the bolt is not extended,
and that there is no severe corro-
sion. In addition, check that the
screw portion is free from wear
out, collapse or galling.
1. Normal
2. Collapse
3. Wear
4. Galling
5. Extension
• If a hub bolt is broken, the whole
set of hub bolts and the wheel
n u t s o f t h e w h e e l s h o u l d b e
replaced. Contact the nearest
UD Trucks authorised dealer.