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Preparing the ball hitch
Shank B, locking balls C and handwheel D must
not be soiled or damaged.
Ball hitch E must be pretensioned for insertion.
Checking whether the ball hitch
is pretensioned
– Key F must be in the lock, the arrow on the key
must point towards the "lock open" symbol
and the key cannot be withdrawn.
– The red marking G on the handwheel must
point towards the green area H on the ball
hitch.
218
Trailer Hitch
– There must be a clearly visible space between
the handwheel and the ball hitch; the gap J
between handwheel and ball hitch must be
around 5 mm.
– It must be possible to press locking balls C
completely into the shank with their full
diameter.
If the ball hitch is not pretensioned,
tension it as described below:
f The ball hitch must be unlocked, i.e. the arrow
on the key must point to the "lock open"
symbol on the handwheel.
f Hold the ball hitch with your left hand.
Pull the handwheel out in arrow direction 1
with your right hand and then, with the
handwheel still pulled out, turn it in arrow
direction 2 until it engages.
The ball hitch has now been pretensioned.
If the ball hitch cannot be pretensioned, it must not
be used.
f Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
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