Operation - walterscheid KIT 80 Betriebsanleitung

the counterbore.
• the bushing must be connected with the counterpart by welding it in the counterbore (weld a=5) and
also at the bottom (weld a=7). the plate into which the biushing is welded must be preheated to
200 °c. attention: Do not apply any weld material at the face of the collar. this face serves as the
bearing sur-face of the ball and must remain free from any material.
• if applicable, carry out annealing to relieve from stress.
• Push the ball 80 into the hole of the bushing
of the ball fits closely the bushing.
• apply loctite 648 on the thread of the ball and secure the ball with the slotted nut by applying a
tighten-ing torque of 160 Nm.
• Fix the housing of the retainer
torque: 245 Nm.
please note: gKn Walterscheid does not assume any responsibility or liability for the execution of the
above work. installation of the Ball Kit shall exclusively be done by an authorised workshop.

3. oPeratioN:

(see Fig. 2)
the pertinent safety regulations must be observed when coupling and uncoupling.
No one may stand between the vehicles. the ball-type coupling may only be operated in locked state.
3.1 coupling:
• remove the grip clip
• Pivot the retainer
• Move the ball-type trailer shank over the ball
• lower the ball-type trailer shank by means of the drawbar support or a similar device.
• Pivot the retainer back into the direction of travel so that it is above the ball-type trailer shank.
• Secure with the retainer pin and the grip clip. check the correct fit of the grip clip.
3.2 uncoupling:
• use supporting jacks or similar to stop the trailer rolling away.
• remove the grip clip of the retainer pin and pull out the retainer pin.
• Pivot the retainer through 90° into the lateral position.
• raise the ball-type trailer shank by means of the drawbar support.
• Move the tractor forwards.
• Pivot the retainer into the direction of travel and secure it with the retainer pin
clip . check the correct fit of the grip clip.
6
3.3 adjustable retainer (see fig. 3):
the adjustable retainer serves to compensate for wear on the ball-type trailer shank and/or the retainer.
the maximum adjustment path is 10 mm, and the retainer is set at the factory in such a way that it can be
ad-justed 3 mm in the upward direction and 7 mm in the downward direction.
• remove the retainer pin
• Pull the retainer
• adjust the height of the retainer by turning the set screw.
Ball-Kit 80
on the counter part using the enclosed screws M16
8
of the retainer pin
6
through 90° into the lateral position.
3
.
5
out of the hole in the ball-type coupling
3
using an appropriate press. Make sure that the collar
7
and pull out the pin.
5
.
1
.
1
10
. tightening
9
and the grip
5