8.3. Rear Brakes

used as extractor bolts to pull off the disc. Tighten the bolts evenly in small stages until the disc is free. Be careful, it can easily drop.

• During installation fit the disc over the hub and tap it in position with a rubber or plastic mallet. Fit the bolts and tighten them alternatively to 1.0 kgm (7 ft.lb.).

Fig. 8.7. — Checking a brake disc for run-out. The wheel can be used to mounting the dial gauge.

• Arrange a dial gauge with a suitable holder (a good solution is shown in Fig. 8.7) and apply the stylus approx. 2 mm from the outer edge of the disc. Slowly rotate the wheel hub/disc and observe the dial gauge reading. The highest run-out is 0.15 mm (0.006 in.). Higher readings can be due to dirt between disc and hub. In this case remove the disc once more and check the surfaces.

Fig. 8.8. — Removal of a brake drum. The drum is secured with the wheel guide pin (1) and a single screw (2). The threaded bores "a" are used to fit the extractor bolts.

• Fit the wheel, lower the vehicle to the ground and tighten the wheel bolts.

8.3. Rear Brakes

8.3.0. REPLACING THE BRAKE SHOES

• Slacken the wheel bolts, jack up the rear end of the vehicle and remove both wheels.
• Refer to Fig. 8.8. and remove the brake drum and the wheel hub. In the outside