AR46.25-B-3090TA | Check and adjust hydraulic limiter | 12.02.16 |
Steering gear 765.82 with Vehicle 958.2, 958.4
Steering gear 765.83 with Vehicle 958.0
W46.25-1061-12
1 Threaded plug
2 Sealing ring
3 Pressure gauge
4 Adapter
5 Testing hose
6 Connection for test
7 Limit adjustment screw
8 Limit adjustment screw
9 Pressure relief valve
Nota de modificação
Danger! | Risk of injury due to becoming trapped and crushed while cab is being tilted. | During the cab tilting, there must be nobody near the tilting area. Always tilt the cab to its final position and lock it there. | |
Danger! | Risk of injury to the skin and eyes due to the hydraulic fluid that squirts under high pressure. | Before getting started with the work in the hydraulic system, depressurize the system. to. Use protective clothing and goggles. | |
Danger! | Danger of death due to sliding or dropping while lifting the vehicle. | Lift the vehicle only by the points prescribed by the manufacturer. | |
Danger! | Risk of accident due to the involuntary movement while engine is running. Risk of crushing and burning injuries in the contact when starting the engine or while the engine is running. | Protect the vehicle against involuntary movements. Wear tight and appropriate workwear. Do not touch hot parts and rotating parts. | |
| Instructions to lift the vehicle and placing it on stands | ||
| Indications on cab tilting | ||
| Check | ||
1 | Check the steering centralization in the steering box. If necessary, correct it. | Do not remove the rotating plates. | |
2 | Open the maintenance cover | ||
3 | Tilt the cab | ||
4 | Remove the plug (1) with sealing rings (2) | Collect the oil from the steering box drained into a suitable container. | |
5 | Install the testing connection (6) | The testing connection can be ordered with the piece number A 942 351 00 69. | |
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6 | Install the testing hose (5) with aid of the adapter (4) pressure gauge (3) | Pressure gauge | |
Adapter | |||
Hose | |||
7 | Remove the end cap in the testing connection (6) | ||
8 | Connect the testing hose (5) in the testing connection (6) | ||
9 | Shifting the cab back to its standard position | ||
10 | Start the engine and let it work at idling speed | ||
11 | Steer the front wheels straight and set the steering wheel in central position | ||
12 | Turn the steering wheel with regular strength to the left and to the right until the mechanical limit stop is reached. Count the quantity of turns for each side and read the pressure gauge (3) | The steering wheel must be pulled against the stop for maximum 5 seconds. Otherwise, the steering system can be damaged. | |
Steering wheel turn from central position until the left and right stops. | |||
Limit valves set pressure | |||
If the steering wheel steering is not equal, or if the necessary steering wheel turns or the respective adjustment pressure are not in the prescribed gap: Adjust the hydraulic limit. | |||
Adjusting | |||
13 | Set the front wheels in straight position | ||
14 | Loose completely the jam nuts off the limit adjustment screws (7, 8) and tighten completely the limit adjustment screws (7, 8) | So, the jam nuts off the limit adjustment screws (7, 8) and in the steering box case. | |
15.1 | Loose the adjustment screw (7) for the steering to the left (6 turns), and the limit adjustment screw (8) for the steering to the right (11 turns) | Steering 765.82 When the engine is running, the limit adjustment screws (7, 8) must not be loosed more than prescribed. | |
15.2 | Loose the limit adjustment screws (7, 8) for the steerings to the left and right in 6 turns | Steering 765.83 When the engine is running, the limit adjustment screws (7, 8) must not be loosed more than prescribed. | |
16 | Touch the jam nuts of the limit adjustment screws (7, 8) | ||
17 | Start the engine and run it at idling speed | ||
18 | Turn the steering wheel in the respective turns from the central position to the left and tighten the limit adjustment screw (7) until the prescribed set pressure is reached | Keep the steering wheel stationary during the adjustment procedure. | |
Limit valves set pressure | |||
Steering wheel turns from central position until the left and right stops | |||
19 | Tighten the jam nuts of the limit adjustment screws (7) | | |
20 | Turn the steering wheel in the respective turns from the central position to the right and tighten the limit adjustment screw (8) until the prescribed set pressure is reached | Keep the steering wheel stationary during the adjustment procedure. | |
Limit valves set pressure | |||
Steering wheel turns from central position until the left and right stops | |||
21 | Tighten the jam nuts of the limit adjustment screw (8) | | |
22 | Check again the steering wheel turns to the left and right | If the number of turns are very different, the adjustment procedure must be repeated. | |
Steering wheel turns from central position until the left and right stops | |||
23 | Tilt the cab | ||
24 | Remove the testing hose (5) with the pressure gauge (3) and the adapter (4) in the testing connection (6) | Collect the oil from the steering box drained into a suitable container. | |
25 | Screw the end cap in the test connection (6) | ||
26 | Remove the testing connection (6) | Collect the oil from the steering box drained into a suitable container. | |
27 | Tighten the screw plug (1) in the steering box | Replace the sealing ring (2). | |
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28 | Shifting the cab back to its position | ||
29 | Close the maintenance cover | ||
30 | Bleed the power steering | Check if the steering box is not leaking during the bleeding. | |
31 | Lift the vehicle by the front axle, remove the rotating plates and lower the vehicle again | ||
32 | Performing the testing route | Check the general behavior of the vehicle steering. |
Test values for steering gear
Número | Denominação | Steering gear 765.82 | Steering gear 765.83 | |||
BE46.20-B-1001-01D | Adjustment pressure for the limit valves | - | bar | 50 (-20) | 50 (-20) | |
Engine speed | 1/min | 1400...1500 | 1400...1500 | |||
Hydraulic steering
Número | Denominação | Steering gear 765.820 LS 8 BK | Steering gear 765.821 LS 8 BK | |||
BE46.25-B-1001-01C | Steering wheel turns to curve to the left and to the right from the central position | 3 | 3 1/4 | |||
Hydraulic steering
Número | Denominação | Steering gear 765.830 LS 6 BK | |||
BE46.25-B-1001-01C | Steering wheel turns to curve to the left and to the right from the central position | 2 1/2 | |||
Steering gear
Número | Denominação | Steering gear case 765.82 | Steering gear case 765.83 | |||
BA46.20-B-1005-01F | Threaded plug of the test connection on the steering box | Nm | 18 | 18 | ||
BA46.20-B-1009-01F | Counter-nut of the end of stroke adjusting bolt | Nm | 38 | 38 | ||
BA46.20-B-1024-01F | Test connection on the steering box | Nm | 17 | 17 | ||
437 589 00 21 00
Pressure gauge
400 589 01 91 00
Hose
400 589 00 91 00
Adapter