P25.20-2024-08
Shown on model 171.442 |
1 | Cap | 3 | Cover | |
2 | Brake fluid expansion reservoir | 4 | Hose |
Danger | 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. | |
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. | |
Topical note | Brake fluid notes | ||
| Remove | ||
1 | Open engine hood and raise to vertical position | ||
2 | Mark height of fill level of brake fluid on brake fluid expansion reservoir (2) | ||
3 | Unscrew cap (1) from brake fluid expansion reservoir (2) | ||
4 | Connect filler/bleeder unit to brake fluid expansion reservoir (2) | ||
| 000 588 01 82 00 Filling unit | ||
Note operator's manual for filler/bleeder unit. | |||
5.1 | Remove rear section of lower engine compartment paneling | Model 171.4 with engine 271 with transmission 711.6, 716.6 | |
Model 172.4 with engine 271 with transmission 711.6 | |||
Model 171.4 with engine 271 with transmission 711.6, 716.6 | |||
5.2 | Remove rear section of lower soundproofing | Model 172 with engine 651 with transmission 711.6 | |
Model 172.4 with engine 651 with transmission 711.6 | |||
6 | Remove cover (3) from clutch housing | ||
7 | Remove cap from bleed screw of central clutch release bearing and fit hose (4) of brake fluid receptacle | ||
Bleeding | |||
8 | Switch on filler/bleeder unit | Set pressure to 2.0 bar. | |
9 | Open bleed screw and allow brake fluid to escape | Allow brake fluid to keep flowing out until it is clean and free of bubbles when it does so. | |
10 | Close bleed screw | Model 171.4, 172 with transmission 711.6, 716.6Bleed screw to central clutch operator | |
11 | Switch off filler/bleeder unit | Pressure must drop for approx. 60 s to ambient pressure (0.0 bar on measuring instrument). | |
12 | Switch on filler/bleeder unit | Build up pressure from 2.0 bar for approx. 10 s. | |
13 | Switch off filler/bleeder unit | ||
| Install | ||
14 | Detach hose (4) and fit cap | ||
15 | Lower vehicle | ||
16 | Detach filler/bleeder unit from brake fluid expansion reservoir (2) | ||
17 | Correct the fill level of the brake fluid in the brake fluid expansion reservoir (2) | Note marking on brake fluid expansion reservoir (2). | |
18 | Screw on cap (1) | ||
| Check | ||
19 | Check clutch operating mechanism for proper operation and leaktightness and replace components if necessary | ||
20 | Raise vehicle | ||
21 | Attach cover (3) to clutch housing | ||
22.1 | Install rear section of the lower engine compartment paneling | Model 171.4 with engine 272 with transmission 711.6, 716.6 | |
Model 172.4 with engine 271 with transmission 711.6 | |||
Model 171.4 with engine 272 with transmission 711.6, 716.6 | |||
22.2 | Install rear section of lower soundproofing | Model 172 with engine 651 with transmission 711.6 | |
Model 172.4 with engine 651 with transmission 711.6 | |||
23 | Close engine hood |