Update: 29.09.2018
Technical changes reserved.
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7.
Tighten two lower cylinder screws lightly (hand-tight) as well, force no longer has to be exerted.
8.
Now slowly screw in the side grub screw DIN 916 - M4x10
(Fig. 5)
to increase the preload.
Fig. 5
9.
turn the handwheel when turning it in and check that it moves smoothly, do not overtighten! If too much
pretension is applied, the stepper motor will jam and stop turning (strong whirring / vibration).
10.
try to turn the turntable by hand to see if the play is outside. If there is any play, this can be felt quite
easily, as the turntable can be turned without noticeable effort (wobbles a few degrees back and forth). If
a lot of force is applied, the turntable will twist slightly but swing back again (like a spring). This is due to
the plastic gears, which are not infinitely stable and which can transmit a large force to the small shaft
via the lever.
11.
when the play is outside, tighten the four cap screws
(Fig. 2)
to a maximum of 0.5Nm.
12.
to secure the position, tighten the two grub screws
(Fig. 2)
to a maximum of 2.0Nm.
13.
Mount the countersunk screws
(Fig. 1)
again and tighten them to a maximum of 4.0Nm.
