Checking Check Valve - AR43.10-P-0023XG
Model 463
as of model year 2019
| 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. | AS00.00-Z-0005-01A | |
| Check | |||
| 1 | Reduce vacuum in BAS brake booster (A7/7) by depressing brake pedal several times. | ||
| 2 | Open hood. | AR88.40-P-1000XG | |
| 3 | Connect vacuum tester (030) and test connection (031) to BAS brake booster (A7/7). | Observe manufacturer's operating instructions. Otherwise measurement errors can occur. |
AR43.10-P-0024-01V |
| Fig 2 | |||
| Fig 3 | |||
| 4 | Start engine and switch off when test pressure is reached. | Check valve/pressure in vacuum system of brake booster |
*BE43.10-P-1006-01B |
| 5 | Check valve (17) for pressure loss. | Check valve/pressure in vacuum system of brake booster If the vacuum drops below the specified value. ↓ Replace vacuum line (8) with check valve (17). |
*BE43.10-P-1006-01B |
| 6 | Disconnect vacuum tester (030) and test connection (031) from BAS brake booster (A7/7). | AR43.10-P-0024-01V | |
Observe manufacturer's operating instructions Otherwise measurement errors can occur. |
Fig 2 | ||
| Fig 3 |
CHECK VALUES FOR PNEUMATIC BRAKE BOOSTER
| Number | Designation | Model 463 up to model year 2019 | Model 463 as of model year 2019 | ||
|---|---|---|---|---|---|
| BE43.10-P-1006-01B | Check valve/pressure in vacuum system of brake booster | Test pressure (vacuum) | bar | - | 0, 75...0, 8 |
| Test period | s | - | 30 | ||
| Permissible pressure loss | bar | - | ≤0, 2 | ||