Brake
Drum
Bearing. Wash in petrol and when dry, check for pitting and inden-
tation of the balls or race tracks and end float.
Scrap if this
is
in evidence.
Sleeves.
Examine the threads and the cone fittings on both.
Also check the
fit
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the bearings as any slackness would cause a certain amount of wheel shake.
Felt Washer and Hub to Brake
Drum
Rubber Seal. When overhauling the
wheel, the washers and seal should be replaced to ensure against loss of grease and
grease penetration into the brake drum.
ASSEMBLING THE REAR BRAKE ANCHOR PLATE
Brake Shoe Cam.
Grease the spindle
of
the cam and insert
it
into the housing
from the inside of the brake anchor plate. .Place the return spring in position (long
end away from the anchor plate) and tap the lever arm onto the square shoulder
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right angles to the flat side of the cam.
Fit the lower nut and tighten.
Brake Shoes. Place the two shoes side by side in the positions which they will
occupy in the drum.
Fit the return springs to the reiaining hooks, then, taking a
shoe in each hand and
at
the same time holding the springs in tension. position the
shoes to the anchor plate. By turning the top of the shoe inwards the assembly
can
be
placed over the cam and the fulcrum pin and snapped down into position by
pressing on the outside of the shoe. Wind the brake lever arm anti-clockwise to
engage the return spring.
ASSEMBLING THE BRAKE DRUM
AND
SPROCKET ASSEMBLY
Bearing. Press the bearing into the brake drum and fit the felt dust excluder and
washer on top. Secure in position with the circlip.
Spindle Sleeve (Short). Sl~de the spindle sleeve, threaded end first, through the
dust cover, bearing and brake drum.
Anchor Plate Assembly. Hold the brake lever arm towards the
"ON"
position
and slide the anchor plate assembly over the spindle sleeve and into the brake drum.
REPLACING THE BRAKE DRUM
AND
SPROCKET
IN
THE FRAME
Brake
Drum
and Sprocket.
Position to the swinging fork and ensure that the
stud on the anchor plate
is
located in the brake torque stay hole and screw the nut
in position.
Rear Brake Rod. Engage the rod in the lever trunnion and screw on the adjuster
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nut.
Chain Adjuster. Fit over the sleeve and engage the end plate to the fork end.
Screw on the adjuster nut to hold the adjuster in position.
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