Pic. 6.42. Rear drum brakes
Withdrawal
Remove the rear wheel.
Pic. 6.43. Rear wheel hub
Unscrew the fastening nut and remove the hub together with the brake drum (pic. 6.43).
Remove the lower return spring and shoe fixing springs.
Pic. 6.44. Brake pads and regulator assembly
Remove brake pads and regulator assembly (pic. 6.44).
Examination
Pic. 6.45. Measuring the thickness of brake pads
Measure the thickness of the brake pads (pic. 6.45).
Nominal pad thickness: 5.14 mm.
Maximum pad thickness: 1.5 mm.
Pic. 6.46. Measuring the inner diameter of the brake drum
Measure the inner diameter of the brake drum (pic. 6.46).
Check brake drum runout.
Pic. 6.47. Checking the completeness of the fit of the brake pads and drum
Check the completeness of contact between the pad and the brake drum (pic. 6.47).
Inner diameter and limit runout of the brake drum
Installation
Pic. 6.48. Lubrication points
Apply special grease to the places indicated in the figure (pic. 6.48).
Pic. 6.49. Fixing spring installation diagram
Install the brake shoe fixing pin and spring (pic. 6.49).
Pic. 6.50. Top return spring installation
Press the link and install the upper return spring (pic. 6.50).
After assembly, press the parking brake lever several times.