03-6
Bild./Fig. 21
Important instructions for maintenance
and cleaning
Grease and other residue must be removed from
the coupling ball on the base vehicle. Suitable
products include:
• thinners
• ethyl alcohol
• brake cleaners
Otherwise, the stabilizing effect will be greatly
reduced.
• Replace friction pads that have grease on
them IMMEDIATELY – do NOT clean them! (all
4 friction pads) The damping torque of clea-
ned friction pads is greatly reduced.
• There must not be any grooves, rust or signs
of gear scufng on the surface of the drawbar
ball. Otherwise it will wear out more quickly!
Coated drawbar ball
• The surface coating (e.g. galvanised, Dacro-
met, varnish, KTL or any other coating) on the
ball must be removed completely. Use sand-
paper with a grain of 100-120. Otherwise, you
may hear noises (creaking) or the components
of the AKS 2004/3004 may wear out, the sta-
bilizing device may not function correctly and
the components may be damaged.
• Spray the lock indicator with defroster when
using the camper in winter.
Greasing
Should it become necessary to grease the
movable components (coupling mechanism and
setbolts) the following must be observed (Fig.
21):
• Clean all parts thoroughly.
• The surfaces may only be coated with a thin
lm of grease or oil.
• Lubricant: multi-purpose grease in accor-
dance with DIN 51825.
Bild./Fig. 22
Bild./Fig. 23
Bild./Fig. 25
Ensure that no oil or grease drops on
the friction surface or the ball-bearing
surfaces when applying grease!
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