1 | Turntable |
2 | Boot |
3 | Steering gear |
4 | 2nd steering idler arm |
5 | Drag link (between 2nd steering idler arm (4) and steering arm (6) of 2nd front axle) |
6 | Pitman arm |
7 | Cap |
8 | Hose clamps |
A | Assembly slot |
B | Marking on primary shaft |
C | Edge on steering gear housing |
W46.40-1088-06
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 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 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 with the safety strut. | |
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 | ||
Topical note | Notes on tilting the cab | ||
Notes on safety-relevant components | |||
| Remove | ||
1 | Secure vehicle against rolling | ||
2 | Open maintenance flap | ||
3 | Move front wheels to straight-ahead position | ||
4 | Lift 1st front axle until the wheels turn freely and jack up | ||
5 | Lift 2nd front axle until wheels can turn freely, and jack up | ||
6 | Tilt cab | ||
7 | Detach boot (2) from steering gear (3) and slide upwards | ||
8 | Move steering gear (3) to center position | The steering gear (3) is located in the center position when the marking on the primary shaft (arrow B) and the edge on the steering gear housing (arrow C) line up. The position of the assembly slot (arrow A) may deviate and it need not necessarily line up with the marking on the primary shaft (arrow B). | |
9 | Position wheels of 2nd front axle at center of turn plate (1) | ||
10 | Position wheels of 1st front axle at center of turn plate (1) | ||
11 | Set scales of turn plates (1) at 1st and 2nd front axle to 0° | ||
12 | Fit boot (2) onto steering gear (3) | ||
13 | Lower cab | ||
14 | Close maintenance flap | ||
15.1 | Turn steering to left until nut of the drag link (5) at steering arm (6) can be unscrewed | On left-hand drive vehicles | |
15.2 | Turn steering to right until nut of the drag link (5) at steering arm (6) can be unscrewed | On right-hand drive vehicles | |
16 | Unscrew nut of drag link (5) at steering arm (6) and screw on again by hand | | |
Counterhold the ball joint with an Allen wrench if necessary. | |||
17 | Pry drag link (5) off steering arm (6) | The drag link (5) detaches suddenly. | |
Puller | |||
18 | Move front wheels to straight-ahead position | The scales on the turntables (1) must be set back to 0°. | |
19 | Unscrew nut and detach drag link (5) from steering arm (6) | ||
20 | Unscrew nut of drag link (5) at 2nd steering idler arm (4) and screw on again by hand | | |
Counterhold the ball joint with an Allen wrench if necessary. | |||
21 | Pry drag link (5) off 2nd steering idler arm (4) | The drag link (5) detaches suddenly. | |
Puller | |||
22 | Remove cap (7) of 2nd steering idler arm (4) | Only if there is insufficient space to remove the drag link (5). | |
23 | Release collar nut of 2nd steering idler arm (4) | Only if there is insufficient space to remove the drag link (5). | |
24 | Unscrew collar nut of 2nd steering idler arm (4) until safety collar protrudes slightly above the thread on the bearing bracket | Only if there is insufficient space to remove the drag link (5). | |
This ensures that the collar nut is screwed several additional turns onto the bearing bracket, which prevents the 2nd steering idler arm (4) from detaching suddenly from the bearing bracket during removal. | |||
25 | Detach thrust plate from bearing bracket until it makes contact with the collar nut | Only if there is insufficient space to remove the drag link (5). | |
26 | Detach 2nd steering idler arm (4) until the drag link (5) can be removed from the 2nd steering idler arm (4) | Only if there is insufficient space to remove the drag link (5). | |
Use suitable two-arm puller. | |||
27 | Unscrew nut of drag link (5) and remove drag link (5) | ||
| Install | ||
28 | Insert drag link (5) into 2nd steering idler arm (4) | ||
29 | Position new nut at 2nd steering idler arm (4) | ||
30 | Slide 2nd steering idler arm (4) together with tapered roller bearing and thrust plate all the way onto the bearing bracket | Only if the 2nd steering idler arm (4) had to be removed from the bearing bracket to remove the drag link (5). | |
31 | Replace collar nut of 2nd steering idler arm (4) with new collar nut and tighten | Only if the 2nd steering idler arm (4) had to be removed from the bearing bracket to remove the drag link (5). | |
Collar nut, steering idler arm to bearing bracket | |||
32 | Lock collar nut of 2nd steering idler arm (4) | Only if the 2nd steering idler arm (4) had to be removed from the bearing bracket to remove the drag link (5). | |
33 | Install cap (7) of 2nd steering idler arm (4) | Only if the 2nd steering idler arm (4) had to be removed from the bearing bracket to remove the drag link (5). | |
Cap, for bearing on steering idler arm | |||
34 | Tighten nut of drag link (5) at 2nd. steering idler arm (4) | Counterhold the ball joint with an Allen wrench if necessary. | |
Nut, drag link to steering idler arm | |||
35 | Insert drag link (5) into steering arm (6) | If a new drag link (5) is installed. | |
| |||
Adjust length of drag link (5) until it can be inserted with zero clearance. | |||
Make sure that the scales of the turn plates (1) are set to 0°. | |||
36 | Position new nut at steering arm (6) | ||
37.1 | Turn steering to left until nut at steering arm (6) can be tightened | On left-hand drive vehicles | |
37.2 | Turn steering to right until nut at the steering arm (6) can be tightened | On right-hand drive vehicles | |
38 | Tighten nut at steering arm (6) | Counterhold the ball joint with an Allen wrench if necessary. | |
Nut, drag link to steering arm | |||
39 | Tighten clamps (8) | Only if the drag link (5) was replaced. | |
Clamp to drag link | |||
40 | Move steering to straight-ahead position | ||
41 | Raise 2nd front axle, remove turn plates (1) and lower wheels | ||
42 | Raise 1st front axle, remove turn plates (1) and lower wheels | ||
43 | Perform a test drive | Only if the drag link (5) was replaced. | |
During the road test check the overall steering behavior of the vehicle. | |||
If the vehicle pulls to the left or to the right or the steering wheel is not in the straight-ahead position when the vehicle is being driven in a straight line. | |||
| |||
Check center steering position and adjust if necessary. | |||
625 589 00 35 00
Puller