2. Remove any glazing from the brake
shoes with coarse sandpaper.
C.
Brake
Drum
Oil
or scratches on the inner surface
of
the
brake drum
will impair braking performance
or
result
in
abnormal noises. Remove oil by
wiping the brake drum with a
rag
soaked
in
lacquer thinner or solvent. Remove scratches
by
lightly and evenly polishing the brake drum
with
emery cloth.
D.
Brake
Shoe
Plate
Remove the camshaft, and grease it. If the
cam face is worn,
replace the camshaft.
NOTE:
______________________
__
Before removing the cam lever, put align-
ment marks on the cam lever and camshaft
to
indicate their relative positions for easy
assembly.
E.
Rear
Axle
Inspection
Refer
to
"Front
Axle Inspection".
F.
Replacing
Wheel
Bearings
Rear
wheel bearing replacement is similar
to
the procedure for the front wheel bearings.
G. Rear
Wheel
Inspection
See"
Front Wheel Inspection".
H.
Installing
Rear
Wheel
1.
Lightly grease the lips
of
the rear wheel
0;1
seals.
2. Install the wheel and the axle and the ax-
le
nut.
3.
Connect the drive chain, the brake rod,
and the adjuster.
5-4
4.
Adjust the drive chain.
See
Chapter
2,
"Drive
Chain".
5.
Adjust the rear brake.
See
Chapter 2,
" Front and
Rear
Brake" .
6. Tighten the axle nut.
TIGHTENING TORQUE:
~OONm
(10.0m·kg,
72ft·lb)
7.
Install the
new
cotter pin
on
the axle
nut.
RIMS
AND
SPOKES
A.
Checking
for
Loose
Spokes
Loose spokes can be checked by bracing the
machine
off
the ground
so
that the wheel
can
spin freely.
Slowly
rotate the wheel and at the same time
let the metal shaft
of
a fairly heavy screw-
driver bounce
off
each spoke. If
all
the spokes
are
tightened approximately the same, then
the sound given
off
by
the screwdriver hitting
the spokes
should sound the same. If one
spoke makes a
dull flat sound, then check
it
for looseness.
Check each spoke
for
tightness.
Spoke torque
Front
wheel:
3 Nm (0.3
m'
kg, 2.2
ft
'Ib)
Rear
wheel:
3 Nm (0.3 m
'kg,
2.2
ft
'Ib)
B.
Checking
Rim
"Run-Out"
Raise
the wheel
off
the ground.
Spin
wheel.
Check
rim run-out
as
shown in illustration.
Rim
run-out limits
Vertical: 2 mm (0.08 in)
Lateral: 2 mm (0.08 in)
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