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must be renewed. Use service tool 18G553 to press the piston assemblies to the base of the cylinder
bores against the resistance offered by the retractor pin and bush. Insert the new friction pad
assemblies, replace the keep plate, and secure it with the bolt, washer, and nut.
M.13 RELINING THE HAND BRAKE
Unscrew and remove the adjuster bolt and locknut and swing the pad carriers away from the disc.
Extract the split pin and withdraw the lever pivot pin (see Fig. M.7).
Remove the bifurcated rivets from both carriers and prise off the worn linings. Place the new linings in
position and secure them with new bifurcated rivets.
Place the lever in the position indicated in Fig. M.8. Hold the locknut firmly against the outer face of the
trunnion and screw in the adjuster bolt until three or four threads engage in the locknut. Align the holes
in the lever and pivot seat, fit the pivot pin, and lock it with a split pin.
Reset the clearance as detailed in Section M.14.
1. Pad carrier (outer).
2. Pad carrier (inner).
3. Pads.
4. Lever.
M.14 ADJUSTING THE HAND BRAKE
Adjustment to compensate for pad wear must be made at the hand brake units and not on the relay
lever adjuster. The adjustments should be made in the following manner when the travel of the hand
brake lever becomes excessive.
Fig. M.7 The hand brake carrier component
5. Adjuster bolt.
6. Locknut.
7. Trunnion.
8. Pivot pin
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9. Pivot seat.
10. Spring.
11. Spring retaining nut.
12. Spring plate
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