For check of a thickness back brake pads, without removing brake drums, remove rubber заглушки from a protective casing of a back brake and will light
Fig. 2.20. An aperture arrangement on a protective casing of the back brake closed rubber заглушкой, for survey back brake pads
Small lamp through apertures on brake pads
). Visually define a thickness brake pads
If it is visually difficult to define a thickness brake pads or there is a suspicion on an unsatisfactory condition pads, remove them for the further survey.
Establish the car on a firm horizontal platform.
Enclose under forward wheels an emphasis for prevention качения the car.
Loosen the bolts of fastening of back wheels, lift a back part of the car and fix on supports. Remove back wheels.
Remove brake drums.
By calliper measure a thickness of overlays back brake pads. If overlays brake pads above heads of rivets on 1,6 mm, brake pads are suitable to the further operation, otherwise replace all four brake pads in the complete set.
Replace brake pads also in the event that overlays pads have cracks, are greased or polluted by a brake liquid.
Check up a condition of returnable and keeping springs of back brakes.
Turn away protective covers of working brake cylinders and check up absence of leaks of a brake liquid. If under protective covers there is a brake liquid, replace working brake cylinders.
Check up a condition of brake drums on absence of cracks, scratches, deep flutes and overheat traces. If defects cannot be eliminated, replace brake drums.
Establish brake drums.
Establish wheels and lower the car.