Setting the safety snap-on coupling
80 Service Instructions 869-M PREMIUM - 00.0 - 07/2018
17 Setting the safety snap-on coupling
The safety snap-on coupling disengages in the event of the thread
jamming and thus prevents the hook from being misadjusted or damaged.
17.1 Attaching the safety snap-on coupling
Fig. 66: Attaching the safety snap-on coupling
Proper setting
The 4 threaded pins (1) on the two adjusting rings next to the safety snap-
on coupling (3) must be parallel to one another. After the safety snap-on
coupling has disengaged, they are no longer parallel.
To latch the safety snap-on coupling:
1. Tilt the machine head ( p. 17).
2. Turn the left adjusting ring (2) such that the threaded pins (1) are
parallel to one another.
The safety snap-on coupling latches into place.
(1) - Threaded pins
(2) - Left-hand adjusting ring
(3) - Safety snap-on coupling
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