Inspect condition of brake disks - AP42.10-P-4258GZ
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Model 164, 251
| Risk of injury . Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Notes on repairs to brake system | AH42.00-P-0003-01A | ||
| Remove | |||
| 1 | Remove wheel-and-tire assembly | Model 164 | AP40.10-P-4050Z |
| Model 251 | AP40.10-P-4050RT | ||
| Check | |||
| 2 | Check brake disks (1) on front and rear axle for score marks and cracks | For cracks and scores which have split open and are deeper than 0.5 mm: ↓ Replace brake disks (1) subject to separate repair order. |
|
| Measure | |||
| 3 | Measure thickness of brake disks on front and rear axles using caliper gauge (010) | Model 164, check values for brake disks on front axle brake disk thickness | *BE42.10-P-1001-08N |
| Model 251, check values for brake disks on front axle brake disk thickness | *BE42.10-P-1001-08M | ||
| Model 164, check values for rear axle brake disks brake disk thickness | *BE42.10-P-1001-09L | ||
| Model 251, check values for rear axle brake disks brake disk thickness | *BE42.10-P-1001-09K | ||
Observe recommended limit dimensions. If the wear limit has been exceeded or will be exceeded before the next brake pad change: ↓ Replace brake disks (1) subject to separate repair order. |
Figure | ||
| Install | |||
| 4 | Mount wheel and tire assembly | Model 164 | AP40.10-P-4050Z |
| Model 251 | AP40.10-P-4050RT |
CHECK VALUES FOR FRONT AXLE BRAKE DISKS
| Number | Designation | Model 251 (except 251.077/177) | Model 251.077/177 | ||
|---|---|---|---|---|---|
| BE42.10-P-1001-08M | Brake disk thickness | New | mm | 32 | 36 |
| Wear limit | mm | 29, 4 | 33, 4 | ||
CHECK VALUES FOR FRONT AXLE BRAKE DISKS
| Number | Designation | Model 164 (except 164.177) | Model 164.177 | ||
|---|---|---|---|---|---|
| BE42.10-P-1001-08N | Brake disk thickness | New | mm | 32 | 36 |
| Wear limit | mm | 29, 4 | 33, 4 | ||
CHECK VALUES FOR REAR AXLE BRAKE DISKS
| Number | Designation | MODEL 251.020/021/022/023/026/054/057/065/072/075/122/123/125/126/154/156/157/163/165/175 except CODE 225, 847, MODEL 251.056 | MODEL 251.020/021/022/023/026/054/057/065/072/075/122/123/125/126/154/156/157/163/165/175 with CODE 225 + 847, MODEL 251.124/166/172 | ||
|---|---|---|---|---|---|
| BE42.10-P-1001-09K | Brake disk thickness | New | mm | 14 | 22 |
| Wear limit | mm | 11, 4 | 19, 4 | ||
CHECK VALUES FOR REAR AXLE BRAKE DISKS
| Number | Designation | Model 251.077/177 | ||
|---|---|---|---|---|
| BE42.10-P-1001-09K | Brake disk thickness | New | mm | 26 |
| Wear limit | mm | 23, 4 | ||
CHECK VALUES FOR REAR AXLE BRAKE DISKS
| Number | Designation | Model 164.120/121/122/125/156/182/186/195/825 except code U29 (18-inch brake system) Model 164.124 Model 164.175 with code 494 (US version) Model 164.175 with code 498 (Japanese version) Model 164.175 with code 625 (Australia specification) | Model 164.120/121/122/125/156/182/186/195/825 with code U29 (18-inch brake system) Model 164.128/172/822/823/824/828/871/886 Model 164.175 except code 494 (US version) except code 498 (Japanese version) except code 625 (Australia specification) | ||
|---|---|---|---|---|---|
| BE42.10-P-1001-09L | Brake disk thickness | New | mm | 14 | 22 |
| Wear limit | mm | 11, 4 | 19, 4 | ||
CHECK VALUES FOR REAR AXLE BRAKE DISKS
| Number | Designation | Model 164.177 | ||
|---|---|---|---|---|
| BE42.10-P-1001-09L | Brake disk thickness | New | mm | 26 |
| Wear limit | mm | 23, 4 | ||