W46.25-1077-09
1 | Power steering pump | 4 | Adapter | 6 | Cap | ||
2 | Oil pressure hose | 4.1 | Screw plug | 7 | Hose | ||
3 | Oil pressure line | 5 | Test connection | 8 | Pressure gage |
Vehicles with adjustable hydraulic steering limiters |
11 | Steering gear |
12 | Screw plug |
13 | Adjustment screw (for left hydraulic steering limiter on left-hand drive vehicles; for right hydraulic steering limiter on right-hand drive vehicles) |
14 | Adjustment screw (for right hydraulic steering limiter on left-hand drive vehicles; for left hydraulic steering limiter on right-hand drive vehicles) |
W46.20-A025-01
W46.20-A026-01
W46.20-A027-01
W46.20-A028-01
W46.20-A022-01
Vehicles with automatically adjusting hydraulic steering limiters |
11 | Steering gear |
15 | Adjustment screw (for left hydraulic steering limiter on left-hand drive vehicles; for right hydraulic steering limiter on right-hand drive vehicles) |
11 | Steering gear |
16 | Adjustment screw (for right hydraulic steering limiter on left-hand drive vehicles; for left hydraulic steering limiter on right-hand drive vehicles) |
17 | Sliding bush |
Danger | Risk of death caused by vehicle slipping or toppling off during lifting | Only lift vehicle at the lift support points specified by the vehicle manufacturer. | |
Warning | 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. | |
Warning | Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure.Risk of poisoning from swallowing hydraulic fluid. | Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses. | |
Warning | Danger of injury to eyes caused by steering oil emerging at high pressure. Danger of poisoning caused by swallowing steering oil | The setting screws for the hydraulic steering limiters must be turned in by at least three rotations. Wear protective gloves, protective clothing and safety glasses. | |
Warning | Risk of injury from being trapped in the swivel range of steered axles | Ensure that no persons or objects are in the swivel range of all steered axles when turning the steering wheel. Do not stand in the swivel range of the additional steering axle when the engine is running. | |
Warning | Risk of injury to skin or eyes from hot hydraulic fluid spraying out under high pressure. Risk of burn injuries from contact with components heated by hot hydraulic fluid. Risk of poisoning from swallowing hydraulic fluid | Do not make any technical modifications to the pressure gauge or the test equipment. Check the pressure gauge and test equipment for mechanical damage each time prior to use. Observe the flow diagram when connecting the test equipment. Wear protective gloves, protective clothing and safety glasses. | |
Warning | Risk of accident and injury caused by diagnostic equipment in vehicle while traveling | Never use the test equipment to verify the delivery rate and oil pressure of the power steering pump or the pressure gauge while driving. | |
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. | |
Topical note | Special instructions for lifting and supporting vehicle | ||
Topical note | Notes on maintenance and repair work | ||
Topical note | Notes on tilting the cab | ||
Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | |||
| Check | ||
1.1 | Move vehicle to driving level using level control system operating unit. | On vehicles with code A1A (Air-sprung front axle) | |
1.2 | Load vehicle so as to be as close to primary operating conditions as possible. | On vehicles without code A1A (Air-sprung front axle) | |
In isolated cases, and due to the steering kinematics, a front axle load that is too low may result in the steering limitation adjustment pressure not being reached or in adjustment not being possible. | |||
2 | Move front wheels to straight-ahead position. | ||
3 | Secure vehicle to prevent it moving away. | ||
4 | Tilt cab. | ||
5 | Detach oil pressure hose (2) from oil pressure line (3). | Collect escaping oil in suitable container. | |
6 | Attach adapter (4) to oil pressure line (3). | Union nut, steering gear oil line/hose | |
Adapter | |||
7 | Attach oil pressure hose (2) to adapter (4). | Union nut, steering gear oil line/hose | |
8 | Unscrew screw plug (4.1) from adapter (4). | Collect escaping oil in suitable container. | |
9 | Install test connection (5). | The test connection (5) can be ordered using part number A 942 351 00 69. | |
Test connection to adapter | |||
10 | Connect hose (7) to manometer (8). | Pressure gage | |
Hose | |||
11 | Unscrew cap (6) from test connection (5). | ||
12 | Connect hose (7) to test connection (5). | ||
13 | Fill and bleed steering gear oil. | ||
Leave front axle raised after bleeding. | |||
14 | Position front wheels centrally on turn plates. | ||
15 | Start engine and run at idle speed. | ||
16 | Turn steering to left or right several times using normal force of the hand until steering gear oil temperature of approx. 50 °C is reached in the steering. | | |
17 | Turn steering wheel left up to mechanical end stop using normal force of the hand, read off pressure at manometer (8), and release steering wheel again. | | |
18 | Note down measured pressure. | ||
19 | Turn steering wheel to right up to mechanical end stop using normal force of the hand, read off pressure at manometer (8), and release steering wheel again. | | |
20 | Note down measured pressure. | ||
21 | Move front wheels to straight-ahead position. | ||
22 | Switch off engine. | ||
23 | Compare noted pressures with specified adjustment pressure of steering limitation valves. | Adjustment pressure for steering limiter | |
If the noted pressures do not match with specified adjustment pressure of steering limitation valves: | |||
| |||
Tilt cab and replace setting screws (15, 16). | |||
On vehicles with automatically adjusting hydraulic steering limiters | |||
Collect escaping oil in suitable container. | |||
Adjustment bolt of automatically-adjusting hydraulic steering limiter to steering gear | |||
Set hydraulic steering limiters. | |||
On vehicles with adjustable hydraulic steering limiters | |||
Adjustment pressure for steering limiter | |||
Screw-in depth of setting screw for hydraulic steering limiter (distance between bolt head of setting screw and contact surface of bolt head of screw plug) | |||
Screw plug for setting screw of hydraulic steering limiter to steering gear | |||
Pressure gage | |||
Hose | |||
Adapter | |||
24 | Tilt cab. | Only on vehicles with adjustable hydraulic steering limiters | |
25 | Detach hose (7) from test connection (5). | Collect escaping oil in suitable container. | |
26 | Screw cap (6) onto test connection (5). | ||
27 | Detach hose (7) from manometer (8) and seal all connections. | ||
28 | Remove test connection (5). | Collect escaping oil in suitable container. | |
29 | Screw screw plug (4.1) into adapter (4). | Screw plug to adapter | |
30 | Remove oil pressure hose (2) from adapter (4). | Collect escaping oil in suitable container. | |
31 | Remove adapter (4) from oil pressure line (3). | ||
32 | Attach oil pressure hose (2) to oil pressure line (3). | Union nut, steering gear oil line/hose | |
33 | Fill and bleed steering gear oil. | ||
After bleeding, remove all turn plates, lower vehicle back onto floor, and tilt cab back. | |||
Vehicles with automatically adjusting hydraulic steering limiters | |||
34 | Conduct a road test. | During the test drive, check the overall steering ability of the vehicle. | |
35 | Check steering gear (11) or connecting point between oil pressure hose (2) and oil pressure line (3) for leak tightness. | Visual inspection. |
Test values for steering gear |
Number | Designation | Model 967 (Left-hand drive vehicle) with code C6A | Model 967 (Right-hand drive vehicle) with code C6A | |
BE46.20-N-1001-01C | Screw-in depth of setting screw for hydraulic steering limiter (distance between bolt head of setting screw and contact surface of bolt head of screw plug) | mm | 4 | 4 |
For picture, see | ||||
Test values for steering gear |
Number | Designation | Model 967 (Left-hand drive vehicle) with code C6B, without code A1A | Model 967 (Right-hand drive vehicle) with code C6B, without code A1A | |
BE46.20-N-1001-01C | Screw-in depth of setting screw for hydraulic steering limiter (distance between bolt head of setting screw and contact surface of bolt head of screw plug) | mm | 4 | 4 |
For picture, see | ||||
Test values for steering gear |
Number | Designation | Model 967 with code C6B and A1A | Model 967 (Left-hand drive vehicle) with code C6D | |
BE46.20-N-1001-01C | Screw-in depth of setting screw for hydraulic steering limiter (distance between bolt head of setting screw and contact surface of bolt head of screw plug) | mm | 4 | 4 |
For picture, see | ||||
Test values for steering gear |
Number | Designation | Model 967 (Left-hand drive vehicle) with code C6A | Model 967 (Right-hand drive vehicle) with code C6A | ||||
BE46.20-N-1002-01C | Adjustment pressure for steering limiter | Vehicle unladen | Steering to left | Specified value | bar | 50 (+10) | 30 (+10) |
at engine speed | 1/min | 800 | 800 | ||||
Steering to right | Specified value | bar | 30 (+10) | 50 (+10) | |||
at engine speed | 1/min | 800 | 800 | ||||
Load vehicle | Steering to left | Specified value | bar | 40 (+10) | 40 (+10) | ||
at engine speed | 1/min | 800 | 800 | ||||
Steering to right | Specified value | bar | 40 (+10) | 40 (+10) | |||
at engine speed | 1/min | 800 | 800 |
Test values for steering gear |
Number | Designation | Model 967 (Left-hand drive vehicle) with code C6B, without code A1A | Model 967 (Right-hand drive vehicle) with code C6B, without code A1A | ||||
BE46.20-N-1002-01C | Adjustment pressure for steering limiter | Vehicle unladen | Steering to left | Specified value | bar | 50 (+10) | 30 (+10) |
at engine speed | 1/min | 800 | 800 | ||||
Steering to right | Specified value | bar | 30 (+10) | 50 (+10) | |||
at engine speed | 1/min | 800 | 800 | ||||
Load vehicle | Steering to left | Specified value | bar | 40 (+10) | 40 (+10) | ||
at engine speed | 1/min | 800 | 800 | ||||
Steering to right | Specified value | bar | 40 (+10) | 40 (+10) | |||
at engine speed | 1/min | 800 | 800 |
Test values for steering gear |
Number | Designation | Model 967 with code C6B and A1A | Model 967 (Left-hand drive vehicle) with code C6D | ||||
BE46.20-N-1002-01C | Adjustment pressure for steering limiter | Vehicle unladen | Steering to left | Specified value | bar | 40 (+10) | 50 (+10) |
at engine speed | 1/min | 800 | 800 | ||||
Steering to right | Specified value | bar | 40 (+10) | 30 (+10) | |||
at engine speed | 1/min | 800 | 800 | ||||
Load vehicle | Steering to left | Specified value | bar | 40 (+10) | 40 (+10) | ||
at engine speed | 1/min | 800 | 800 | ||||
Steering to right | Specified value | bar | 40 (+10) | 40 (+10) | |||
at engine speed | 1/min | 800 | 800 |
Test values for steering gear |
Number | Designation | Model 967 (Right-hand drive vehicle) with code C6D | ||||
BE46.20-N-1002-01C | Adjustment pressure for steering limiter | Vehicle unladen | Steering to left | Specified value | bar | 30 (+10) |
at engine speed | 1/min | 800 | ||||
Steering to right | Specified value | bar | 50 (+10) | |||
at engine speed | 1/min | 800 | ||||
Load vehicle | Steering to left | Specified value | bar | 40 (+10) | ||
at engine speed | 1/min | 800 | ||||
Steering to right | Specified value | bar | 40 (+10) | |||
at engine speed | 1/min | 800 |
400 589 01 91 00
Hose
967 589 00 91 00
Adapter
000 589 06 21 00
Pressure gage
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