|
|
− − 02 03 Parking Brake Lining Thickness: Standard: 4.0 mm (0.16 in.) Service limit: 1.0 mm (0.04 in.) Parking Brake Drum Inside Diameter: Standard: 210.0 210.1 mm (8.268 8.272 in.) Service limit: 211.0 mm (8.307 in.) 19-30 Conventional Brake Components Parking Brake Inspection (cont’d) A B B B B 3. Check the parking brake linings (A) for cracking, glazing, wear, and contamination. 4. Measure the parking brake lining thickness (B). Measurement does not include brake shoe 5. If the brake lining thickness is less than the service limit, replace all the parking brake shoes as a set. 6. Check the bearings in the hub unit for smooth operation. 7. Measure the inside diameter of the parking brake drum with inside vernier calipers. 8. If the inside diameter of the parking brake drum is more than service limit, replace the rear brake 9. Check the parking brake drum for scoring, grooves, and cracks. 03/07/29 09:54:06 61S0X050_190_0030 |