1 | Clutch booster |
2 | Hydraulic line connection |
3 | Pneumatic line connection |
4 | Fastening screws |
5 | Wear indicating rod mechanism cover |
6 | Wear indicating rod mechanism |
B29.40-0001-06
| Remove | ||
Warning | Risk of injury caused by pinching and crushing when opening and closing engine hood | No one should be within the swivel range of the engine hood as it is being opened or closed. Always open engine hood all the way to the end position until this engages in the front locks. | |
1 | Open and place the engine hood in vertical position |
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Caution | Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid | Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. | |
Warning | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure it with the safety strut. | |
2 | Tilt the cab |
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3 | Remove by suction the hydraulic actuation reservoir fluid | Collect brake fluid in an appropriate container for ecologically correct disposal. | |
4 | De-pressurize fully the vehicle's pneumatic system | ||
5 | Disconnect the pneumatic line from the connection (3) and put it aside | ||
6 | Disconnect the hydraulic line from the connection (2) | ||
| Check | ||
7 | Remove the four fastening bolts (4) and remove the clutch booster slave cylinder (1) |
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Before removing any clutch booster slave cylinder (1) equipped with wear indicator (6), it is necessary to pay attention in the wear point of the clutch disc, which is pointed by the indicator rod. If the slave cylinder is removed and the clutch disc is not, the indicator (6) must be set at the same point it was prior to the cylinder removal (1) to indicate the real condition of the disc. | |||
If a new clutch disc is installed, the wear indicator must simply be "reset”. | |||
| Install | ||
8 | Install the new clutch booster slave cylinder (1) on the gearbox and tighten the four fastening bolts (4) | .Clutch slave cylinder in the gearbox | |
9 | Connect the hydraulic line to the connection (2) | ||
10 | Connect the pneumatic line to the connection (3) | ||
11 | Pressurize the vehicle's pneumatic system up to the drive pressure | Check the tightness at the connection (3) with neutral soap foam. | |
12 | Supply again and bleed the clutch actuation hydraulic system | ||
Use the specified brake fluid. | |||
Brake fluid, DB supply specification 7760.30 (DOT 4) | |||
13 | Adjust the clutch disc wear indicator as mentioned on the item ´´CHECK`` |
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14 | Carry out a new test drive with the vehicle and check the clutch operation |