1 | Hydraulic cylinder |
2 | Bearing bracket |
3 | Nut |
4 | Clamp |
5 | Nut |
6 | 2nd steering idler arm |
7 | Cap |
8 | Collar nut |
9 | Thrust plate |
10 | Hydraulic hoses |
W46.40-1117-11
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 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 | 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. | |
Topical note | Notes on self-locking nuts and bolts | ||
Topical note | Special instructions for lifting and supporting vehicle | ||
Topical note | Notes on maintenance and repair work | ||
Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | |||
Notes on safety-relevant components | |||
| Remove | ||
1 | Move front wheels to straight-ahead position | ||
2 | Secure vehicle against rolling | ||
3 | Lift 2nd front axle until wheels can turn freely, and jack up | ||
4 | Open maintenance flap | ||
5 | Remove boot from steering gear | ||
6 | Set steering gear to center position |
| |
Model 375.38 with HEMA steering HD900 | |||
Model 375.38 with steering RB8098, ZF8098 | |||
7 | Mark installation position of hydraulic hoses (10) relative to hydraulic cylinder (1) | ||
8 | Remove hydraulic hoses (10) from hydraulic cylinder (1) | Collect escaping oil in a suitable container. | |
Plug | |||
9 | Remove screw/bolt and nut of clamp (4) | ||
10 | Slide clamp (4) on hydraulic cylinder (1) to one side | ||
11 | Unscrew nut (5) fastening hydraulic cylinder (1) onto 2nd steering idler arm (6) and tighten again by hand | | |
Counterhold the ball joint with an Allen wrench if necessary. | |||
12 | Pry hydraulic cylinder (1) off 2nd steering idler arm (6) | The hydraulic cylinder (1) releases suddenly. | |
Bell-type puller | |||
Spindle | |||
13 | Position new screw/bolt and nut at clamp (4) | ||
14 | Slide clamp (4) onto ball joint of hydraulic cylinder (1) and tighten | This ensures that the hydraulic cylinder (1) setting is not adjusted. | |
Clamp to ball joint of hydraulic cylinder of 2nd front axle | |||
15 | Remove cap (7) of 2nd steering idler arm (6) | ||
16 | Release collar nut (8) of 2nd steering idler arm (6) | ||
17 | Unscrew collar nut (8) of 2nd steering idler arm (6) until safety collar projects slightly over thread on bearing journal | This ensures that the collar nut (8) is screwed onto the bearing journal several additional turns which prevents the 2. steering idler arm (6) detaching suddenly from the bearing journal during removal. | |
18 | Detach thrust plate (9) far enough away from bearing journal so that it makes contact with the collar nut (8) | ||
19 | Unscrew nut (5) | ||
20 | Detach 2nd. steering idler arm (6) until hydraulic cylinder (1) can be removed from 2nd steering idler arm (6) | Use suitable two-arm puller. | |
21 | Remove hydraulic cylinder (1) from 2nd steering idler arm (6) | ||
22 | Unscrew nut (3) fastening hydraulic cylinder (1) onto bearing bracket (2) and screw on again by hand | | |
Counterhold the ball joint with an Allen wrench if necessary. | |||
23 | Pry hydraulic cylinder (1) off bearing bracket (2) | The hydraulic cylinder (1) releases suddenly. | |
Puller | |||
24 | Unscrew nut (3) and remove hydraulic cylinder (1) | ||
| Install | ||
25 | Insert hydraulic cylinder (1) into 2nd steering idler arm (6) first, then into the bearing bracket (2) | ||
26 | Fit new nuts (3, 5) | ||
27 | Slide 2nd steering idler arm (6) together with tapered roller bearing and thrust plate (9) all the way onto bearing journal | ||
28 | Replace collar nut (8) of 2nd steering idler arm (6) with a new collar nut (8) and tighten | Collar nut, steering idler arm to bearing bracket | |
29 | Lock collar nut (8) of 2nd steering idler arm (6) | ||
30 | Tighten nut (5) on 2nd steering idler arm (6) | Counterhold the ball joint with an Allen wrench if necessary. | |
Nut, ball joint of hydraulic cylinder of 2nd front axle to steering idler arm | |||
31 | Tighten nut (3) on bearing bracket (2) | Counterhold the ball joint with an Allen wrench if necessary. | |
Nut, hydraulic cylinder of 2nd front axle to bearing bracket | |||
32 | Install cap (7) of 2nd steering idler arm (6) | Cap, for bearing on steering idler arm | |
33 | Remove all stop plugs | ||
34 | Install hydraulic hoses (10) onto hydraulic cylinder (1) | Observe markings. | |
Union nut, hydraulic hose to hydraulic cylinder of 2nd front axle | |||
35 | Attach boot to steering gear | ||
36 | Pour in steering gear oil and bleed steering |
| |
Model 375.38 | |||
37 | Perform a test drive | During the road test check the overall steering behavior of the vehicle. |
963 589 01 91 00
Plug
964 589 00 33 00
Bell-type puller
655 589 00 35 02
Spindle
625 589 00 35 00
Puller