Safety Notes - WALTERSCHEID KU 5410 Serie Manual Del Usuario

4.2.2 Height adjustment (see also installation):
By moving the handle (9) up (release locking) and right the two locking pins (8) will move completely into
the slider (7). In this position the slider can be shifted in the guide rails in vertical direction. The handle (9)
being released, the slider will automatically engage into the holes. After each adjustment attention must
be paid that the locking pins (8) have engaged into the holes of the guide rails and the dowel pin (3) in the
handle (9) snap in the slot of the slider. Only then is the system locked properly. The trailer coupling may be
operated only in locked condition!
5. MAINTENANCE:
(see Fig. 1)
5.1 Care
• The clevis bearing is lubricated through the grease nipple on the pivot (6). This should be done twice per
year, or more often in the event of frequent use.
• If possible, avoid cleaning with a pressure washer. If this is unavoidable, re-grease the coupling.
• Any dirt and corrosion must always be cleaned off the coupling in order to guarantee correct operation.
All moving parts of the coupling must be lubricated regularly (depending on the length of use) and
checked for easy movement.
5.2 Checks
1. Clevis bearing (6):
The maximum permissible wear in the pivot is 2 mm. The coupling must be replaced if the axial play
is greater. The adjusting bolt located below the bearing is used to set the maximum torque. If there is
no movement when the locking torque (100 - 150 Nm) is exceeded, the coupling must be repaired.
This must be checked at regular intervals.
2. Coupling pin (5):
Clean the coupling pin and measure its diameter of the coupling pin. Nominal dimension: 31,5 mm;
Wear limit: 29,5 mm. The coupling pin must be replaced if the dimensions are below the limits.
3. Clevis (2):
Locating hole in clevis; Nominal dimension: 33 mm; Wear limit: max. 35 mm oval.
In case of exceeding the wear limit, the coupling (slider (7) with clevis (2)) must be replaced.
Use only original Walterscheid spares when replacing parts.
In case of damaging the handle, please note that for slider width 335 must be used the handle 335. For all
other slider width use handle 309.

5.3 Safety notes

• The user is obliged to always operate the coupling in perfect condition and to forbid its use by unautho
rised persons.
• The loads indicated on the type plate may not be exceeded.
• Unauthorised conversion or modification of the coupling is not permitted.
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