Steering Gear, Overhaul
Note: The procedure
refers to Field Repair 1859 in the event of complaints about noise
from the steering gear.
Remove
1. |
Remove steering gear
- Petrol engine
- Diesel engine
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2. |
Attach steering gear (1) to previously prepared assembly
holder
Note: Clamp assembly
holder in vice
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Screw in 2x screw connections (2)
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Dismantle 2x tie rods (arrows) as shown
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3. |
Move steering gear into centre position
Note: Using a calliper
gauge, measure the projection of the steering rack with respect to
the housing at both ends. The projection must be the same on both
sides. The projection of the rack can be adjusted by turning the
steering shaft.
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4. |
Make mark (I)
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On housing, aligned with lock nut (1) and adjusting screw
(2)
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5. |
Make mark (II)
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On housing, aligned with steering shaft (3)
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6. |
Slacken lock nut (1) with KM-280
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7. |
Unscrew adjusting screw (3) with lock nut (1)
Note: The position of
the lock nut with respect to the adjusting screw must not change.
This is essential in order to ensure the correct installation
position.
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8. |
Detach seal ring (2)
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Press seal ring into housing with suitable object (3)
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Prise out seal ring from housing with screwdriver (1) and
remove
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9. |
Remove retaining ring (2)
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Remove retaining ring (2)
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10. |
Pull steering shaft (1) from housing (arrow)
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11. |
Pull rack (3) out of housing and check the surface
Note: If the surface is
damaged, e.g. if there is scoring, replace the steering gear.
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12. |
Remove old bearing bush
Note: The bearing bush
is located on the passenger side.
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Release bearing bush (3) with suitable tool and remove
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Install
14. |
Insert new bearing bush
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Insert bearing bush as far as it will go
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Install retaining ring (1)
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15. |
Coat bearing bush with a light film of grease (supplied)
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16. |
Install rack
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Coat the rack evenly with the grease (supplied)
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Insert rack centrally into the housing
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17. |
Install steering shaft
Note: Rack must be
installed in the centre position. The marks on the steering shaft
and housing must be aligned
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Measure the projection of the rack with respect to the housing
at both ends
Note: The projection
must be the same on both sides. If the projection is not the same
on both sides, repeat the procedure until you get the correct
result.
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18. |
Attach retaining ring to steering shaft
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19. |
Insert seal ring with grease (supplied)
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20. |
Screw in adjusting screw with lock nut
Note: Ensure that the
position of the lock nut with respect to the adjusting screw does
not change.
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21. |
Adjust adjusting screw to the mark and tighten the lock nut
80 Nm . The marks on the housing and
on the adjusting screw must be aligned.
Note: If necessary,
counterhold at adjusting screw. It is essential that the marks
remain aligned.
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22. |
Attach 2x tie rods
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Apply screw locking compound to the thread of the rack
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Tighten 2x tie rods 70 Nm
Note: Counterhold with
open-ended wrench against flattened area of rack.
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24. |
Remove steering gear from assembly holder
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Unscrew 2x screw connections
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25. |
Install steering gear
- Petrol engine
- Diesel engine
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