2) Metal brake
Check the pressure plate,and brake rod for
abnormality.Replace defective parts.Replace the
metal brake whose thickness exceeds the usable
limit.
4) Wheel shaft
Check the shaft for abnormalities like wear,
damage,etc,and replace a defective one.
5) Bearings
Check them for abnormalities like hitching,
irregularity,etc.in rotation after being washed
clean.Replace defective ones.
6) Oil seals
Removed oil seal should be replaced with a new
one when reassembled.
Fig.7-8
1.3 REASSEMBLY.
Reassemble the parts in reverse order of
disassembly ,follow these precautions.
1) Make sure that oil grooves,friction surfaces,etc
of the brakes are free from matter such as dust,
iron powder,etc.to avoid brake lining damage.
2) When installing the brake unit on the wheel
pinion,friction plates and separator plates
should be arranged in correct order and never
forget to retain the unit with the snap ring.
3) Brake metal tightening bolts should be
tightened to the specified torque with a torque
wrench.
17.5((0.688)Usable limit:mm (in)
18(0.708)Standard thickness:mm(in)
Note:
Slight scratches on the friction surface can be
corrected with sandpaper(#1000)
3) Separator plate.
Measure the thickness and replace the plate whose
thickness exceeds the usable limit or whose
surfaces are damaged (Fig.7-9)
Fig.7-9
(Fig.7-10)
5.5-7 Kgf.m
(39.8-50.6ft-lbs)
Tightening torque
2.2(0.087)Usable limit:mm (in)
2.5±0.09
(0.098)
Standard thickness:mm(in)
7-5
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