Check Brakepad Thickness And Condition Of Brake Disks - AP42.10-S-4251E
Model 447, 448
Example
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | AS00.00-Z-0010-01A | |
| 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 | |
| Risk of injury . Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | AS00.00-Z-0009-01A | |
| Notice | General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment | Model 447 with engine 780 | AH00.00-Z-0300-01A |
| Notice | Special instructions for lifting and supporting vehicle | AH00.60-S-0100-01KOA | |
| Check | |||
| 1 | Lift vehicle with vehicle lift. | Only if no pit is available. | |
| AR00.60-S-1000E | |||
| 2 | Check brake pad thickness (1) on front and rear axle. | If necessary, use a flashlight (2) or a mirror (3). |
*BE42.10-Z-1001-06KOE |
| *BE42.10-Z-1001-18KOE | |||
| If brake pad thickness (1) is approaching wear limit, ↓ check all brake pads with wheels removed. If the brake pads are worn on one side, |
AR40.10-S-1100E | ||
| ↓ check brake calipers on each axle with wheels removed for condition and ease of movement. If the brake pad thickness (1) on the front axle is below the wear limit, ↓ replace brake pads of front axle. |
AR40.10-S-1100E | ||
| [J] After obtaining special order. If the brake pad thickness (1) on the rear axle is below the wear limit, |
AR42.10-S-1610E | ||
| replace brake pads of rear axle. |
AR42.10-S-1710E | ||
| 3 | Inspect condition of brake disks. | ||
| Notice | Notes on evaluating brake disks | AH42.10-D-9406-07KOP | |
| *BE42.10-Z-1001-09KOB | |||
| *BE42.10-Z-1001-08KOH | |||
| If galling, score marks and cracks are visible on the outside, the outside and inside of the brake disk must be checked with the wheel removed, ↓ Remove wheels. |
|||
| AR40.10-S-1100E | |||
| If gaping cracks and score marks deeper than 0.5 mm are present on the front axle brake disks, ↓ replace front axle brake disks. |
AR42.10-S-0230E | ||
If gaping cracks and score marks deeper than 0.5 mm are present on the rear axle brake disks, ↓ replace rear axle brake disks. |
AR42.10-S-0240E | ||
| 4 | Measure brake disk thickness. | *BE42.10-Z-1001-08KOH | |
| *BE42.10-Z-1001-09KOB | |||
If the wear limit is reached or exceeded, ↓ replace brake disks (1) per axle. |
Fig 1 | ||
| Remove/install front axle brake disk | AR42.10-S-0230E | ||
| Remove/install rear axle brake disk |
AR42.10-S-0240E |
CHECK VALUES FOR BRAKEPAD
| Number | Designation | Model 447, 448 | ||
|---|---|---|---|---|
| BE42.10-Z-1001-06KOE | Brake lining thickness | New (with pad backing plate) | mm | 20, 70 |
| Wear limit (without pad backing plate) | mm | 3, 0 | ||
| Wear limit (with backing plate) | mm | 9, 23 | ||
| Pad backing plate | mm | 6, 23 | ||
CHECK VALUES FOR FRONT AXLE BRAKE DISKS
| Number | Designation | Model 447, 448 With 16" brake system | Model 447, 448 with 17" brake system | ||
|---|---|---|---|---|---|
| BE42.10-Z-1001-08KOH | Brake disk thickness | Thickness when new | mm | 28 | 32 |
| Wear limit | mm | 25 | 28 | ||
| Lateral runout (max.) | mm | 0, 01 | 0, 01 | ||
| Axial runout (max.) | mm | 0, 04 | 0, 04 | ||
| Measure outside diameter | mm | 300 | 330 | ||
CHECK VALUES FOR REAR AXLE BRAKE DISKS
| Number | Designation | Model 447, 448 | ||
|---|---|---|---|---|
| BE42.10-Z-1001-09KOB | Brake disk thickness | New | mm | 12 |
| Wear limit | mm | 9 | ||
| Max. lateral runout | mm | ≤ 0, 01 | ||
| Max. axial runout | mm | ≤ 0, 04 | ||
| Repair limit dimension | mm | - | ||
CHECK VALUES FOR BRAKEPAD
| Number | Designation | Model 447, 448 | ||
|---|---|---|---|---|
| BE42.10-Z-1001-18KOE | Brake lining thickness | New (with pad backing plate) | mm | 18, 20 |
| Wear limit (without pad backing plate) | mm | 3, 0 | ||
| Wear limit (with backing plate) | mm | 9, 23 | ||
| Pad backing plate | mm | 6, 23 | ||