Test Brake System With Pressure Tester For Leaks - AR42.10-P-0015RG
Model 190
| 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 | |
| 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. | AS42.50-Z-0001-01A | |
| Notice | Notes on externally invisible brake fluid loss | AH42.10-P-9406-02A | |
| Notice | Notes on repairs to brake system | AH42.00-P-0003-01A | |
| Notice | Brake fluid notes | AH42.50-P-0001-01A | |
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Check | |||
| 1 | Remove cover over brake fluid reservoir (1). | ||
| 2 | Clean area around cap of brake fluid reservoir (1). | Assembly cleaner | BR00 45-Z-1028-04A |
| 3 | Unscrew cap of brake fluid reservoir (1). | ||
| 4 | Connect filling unit at brake fluid reservoir (1). | ||
| 000 588 16 82 00 Filling unit | WS25.00-P-0038B | ||
| Brake fluids (DOT 4 plus) | BB00.40-P-0331-00A | ||
| General brake fluid | BB00.40-P-0330-01A | ||
| 5 | Raise vehicle. | AR00.60-P-1000RG | |
| 6 | Remove vent screw from front left brake caliper (2) and connect test equipment (3). | ||
| 000 588 28 21 00 Test equipment | WS42.00-P-0115B | ||
Test equipment (3) for hydraulic oil systems must not be used for systems with brake fluid. Otherwise, the brake fluid will be mixed with mineral oil, which can cause brake failure. |
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| 7 | Bleed test equipment (3). | ||
| 8 | Start engine and run. | ||
| 9 | Depress brake pedal and insert brake pedal jack (4) with adapter between brake pedal and driver's seat. | ||
| Fig 1 | |||
| Fig 2 | |||
| 10 | Read off and note brake pressure on high-pressure manometer of test equipment (3). | ||
| 11 | Read off brake pressure again on high-pressure manometer of test equipment (3) after the specified test period and compare against previously-noted value. | *BE42.10-P-1001-19A | |
| If there is a problem, ↓ determine cause and repair brake system. |
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| 12 | Switch off engine and remove brake pedal jack (4) with adapter. | ||
| 13 | Remove vacuum in BAS brake booster (A7/7) by depressing brake pedal several times. | ||
| 14 | Depress brake pedal and insert brake pedal jack (4) with adapter between brake pedal and driver's seat. | Fig 1 | |
| Fig 2 | |||
| 15 | Slowly turn back brake pedal jack (4) until the low-pressure manometer of the test equipment (3) displays the specified brake pressure. | *BE42.10-P-1001-19A | |
| 16 | Read off brake pressure on low-pressure manometer of test equipment (3) after the specified test period. | *BE42.10-P-1001-19A | |
| If there is a problem, ↓ determine cause and repair brake system. |
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| 17 | Remove brake pedal jack (4) and adapter for brake pedal jack (4). | ||
| 18 | Disconnect test equipment (3) from brake caliper (2) and screw vent screw all the way into brake caliper (2). | ||
| 19 | Bleed front left brake caliper (2). | AR42.10-P-0010-02RK | |
| *BA42.10-P-1003-10T | |||
| 20 | Disconnect filling unit from brake fluid reservoir (1). | ||
| 21 | Correct fluid level in brake fluid reservoir (1). | ||
| AP42.10-P-4210A | |||
| 22 | Seal brake fluid reservoir (1) with cap. | ||
| 23 | Install cover over brake fluid reservoir (1). | ||
| 24 | Lower vehicle. |
HYDRAULIC BRAKE SYSTEM
| Number | Designation | Model 190 | |||
|---|---|---|---|---|---|
| BE42.10-P-1001-19A | Check values for leak test | High-pressure test | Test period | min | 5 |
| Brake pressure loss | % | 5 | |||
| Low-pressure test | Brake pressure | bar | 3 | ||
| Test period | min | 2 | |||
| Brake pressure loss | bar | 0 | |||
FRONT AXLE BRAKE CALIPER
| Number | Designation | MODEL 190 with CODE B06 | MODEL 190 with CODE B07 | |
|---|---|---|---|---|
| BA42.10-P-1003-10T | Bleed screw to brake caliper | Nm | 18 | 18 |
FRONT AXLE BRAKE CALIPER
| Number | Designation | MODEL 190 with CODE U70 | |
|---|---|---|---|
| BA42.10-P-1003-10T | Bleed screw to brake caliper | Nm | 18 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | A 000 986 56 01 |