6 - Maintenance
6.17
Yaw damping
Tighten/loosen bolt (A) to adjust slack at point (B).
If boom does not work smoothly or if it works in ‘steps’: Loosen bolt (A).
If boom works too loosely or swings uncontrollably: Tighten bolt (A).
ATTENTION! Do not overtighten bolt (A). Only tighten till contact
is reached at point (B).
Wear bushing replacement on boom lift
The wear bushings are inspected and replaced before they are worn
through.
1. Connect the trailer to a tractor and unfold the booms to working
position
.
2. Lift the boom center frame with a lifting device an d support it until
the load is taken off the parallelogram arms.
3. The upper arms must be disconnected simultaneously.
4. Remove the
screws (A), and pull out the pins (B) for the upper
parallelogram arms and replace the wear bushings (C).
5. Replace the arms.
6. Repeat this procedure with each of the lower arms.
7. Grease all gre
ase nipples.
8. Remove the lifting gear again.
Change of bulbs
1. Switch off the light.
2. Loosen the screws on the lamp and remove the cover or lens.
3. Remove the bulb.
4. Fit a new bulb, refit the cover and tighten the screws.
ATTENTION! If halogen bulbs are used, never touch the bulb with the fingers. Natural moisture in the skin will cause
the bulb to burn out when the light is switched on. Always use a clean cloth or tissue when handling halogen bulbs.
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