Shown on model 970 with code BB1 (Brake control (BS)) |
1 | Coolant expansion reservoir |
2 | Electrical connector |
3 | Electrical connector |
4 | Compressed air lines |
5 | Pedal bracket |
6 | Bolts |
7 | Bracket |
8 | Compressed air line bracket |
S89 | Switch 2, clutch pedal |
W29.10-1033-12
S85 | Switch 1, clutch pedal |
W25.20-1082-03
Danger ! | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
| Notes on compressed air connection systems | ||
| Remove/install | ||
1 | Switch off ignition | ||
2 | Open maintenance flap | ||
3 | Discharge compressed-air system | ||
4 | Remove trim grille | ||
5 | Pull master cylinder with attached hydraulic line out of pedal bracket (5) and tie to one side | Only for vehicles without code GE1 (Automatic gear control (AGS)). | |
without clutch booster | |||
With clutch booster | |||
6 | Disconnect electrical connections (2, 3) | Only for vehicles with code BB1 (Brake control (BS)) or with code BB8 (Brake control (BS) with ASR). | |
Mark installation position. | |||
Installation: Pay attention to marking. | |||
7 | Remove all cable ties on the compressed air lines (4) | Installation: Replace cable tie. | |
8 | Detach compressed-air lines (4) |
| |
With VOSS "232" or SCHÄFER "SDF" compressed air connector | |||
Mark installation position of compressed air lines (4). | |||
Installation: Check O-rings and replace if necessary. Note compressed air line (4) markings. | |||
9 | Detach compressed air line bracket (8) | ||
10 | Release coolant expansion reservoir (1) at top front plate and push to one side | If necessary, detach electrical connection from coolant level switch. | |
11 | Remove bracket (7) | Pedal bracket to firewall | |
12 | Detach electrical connection from switch 1, clutch pedal (S85) | ||
13 | Detach electrical connection from switch 2, clutch pedal (S89) | ||
14 | Remove bolts (6) from pedal bracket (5) | Pedal bracket to firewall | |
15 | Remove pedal bracket (5) towards front | Installation: Check seal on pedal bracket (5) for damage, replace if necessary. | |
16 | Install in the reverse order | ||
17 | Adjust brake pedal | ||
18 | Start engine and completely inflate air brake system with idle speed | ||
19 | Switch off ignition | ||
20 | Check compressed air lines (4) for leaktightness | Leak detection spray |
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