AR42.10-W-1090A | Checking brake drum and brake linings for wear | 11.8.08 |
MODEL 374, 375.3, 930, 932, 933, 934, 940, 942, 943, 944, 949, 950, 952, 953, 954, 958.0 /2 /4, 970, 972, 976
with drum brake (S-cam version)
W42.10-0062-12
Shown on rear axle 748.2
1 Brake pad
A Total lining thickness of new brake lining
B Minimum lining thickness
| Removing | ||
1 | Remove wheels | ||
2 | Remove brake drums | Model 374, 375.3, 930, 932, 933, 934, 940, 942, 943, 944, 949, 950, 952, 953, 954, 958.2/4 | |
Model 958.0, 970, 972, 976 | |||
| Checking | ||
3 | Check brake drum for heat cracking, score marks and wear | Model 374, 375.3, 930, 932, 933, 934, 940, 942, 943, 944, 949, 950, 952, 953, 954, 958 | |
Model 970, 972, 976 | |||
If necessary, skim or replace brake drum. After skimming or replacing the brake drum the brake linings (1) are to be replaced. | |||
Replace brake linings. | |||
4 | Check thickness of brake linings (1) | Model 374, 375.3, 930, 932, 933, 934, 940, 942, 943, 944, 949, 950, 952, 953, 954, 958.2/4 | |
Model 958.0, 970, 972, 976 | |||
If necessary, replace brake lining (1). | |||
| Install | ||
5 | Mount brake drum | Model 374, 375.3, 930, 932, 933, 934, 940, 942, 943, 944, 949, 950, 952, 953, 954, 958.2/4 | |
Model 958.0, 970, 972, 976 | |||
6 | Mount wheels |
Test values for drum brake
Number | Designation | Model | Model | Model | ||
BE42.10-N-1001-12A | Brake drum diameter | Normal | mm | 410 (+0,2) | 410 (+0,2) | 410 (+0,2) |
Repair size I | mm | 411,5 (+0,2) | 411,5 (+0,2) | 411,5 (+0,2) | ||
Repair size II | mm | 413 (+0,2) | 413 (+0,2) | 413 (+0,2) | ||
Wear limit | mm | 414,5 | 414,5 | 414,5 | ||
Test values for drum brake
Number | Designation | Model | ||
BE42.10-N-1001-12E | Brake drum diameter | Normal | mm | 410 (+0,2) |
Repair size I | mm | 411,5 (+0,2) | ||
Repair size II | mm | 413 (+0,2) | ||
Wear limit | mm | 414,5 | ||
Test and adjustment values for brake shoes
Number | Designation | Model | Model | Model | ||
BE42.10-N-1001-13A | Brake lining thickness | Regular (A) | mm | 18 | 18 | 18 |
Minimum lining thickness (B) | mm | 5 | 5 | 5 | ||
Repair size I | mm | 18.8 | 18.8 | 18.8 | ||
Minimum lining thickness (B) | mm | 6 | 6 | 6 | ||
Repair size II | mm | 19.5 | 19.5 | 19.5 | ||
Minimum lining thickness (B) | mm | 7 | 7 | 7 | ||
See picture | ||||||
Test and adjustment values for brake shoes