GRAUPNER Skalar, Руководство пользователя

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elektro
Skalar
22
3.2 Installing the blade holders
Press the two O-rings 4607.28 into both sides of the rotor head centre piece 4682.26, then
grease the blade pivot shaft 4682.29 and slide it through to the point where it projects by an
equal amount on both sides. Check that the O-rings are not pushed out of place when you fit the
pivot shaft.
Now hold this assembly with the blade pivot shaft standing vertical. Fit a 0.2 mm shim washer
(from 4450.56) on the top end of the shaft, followed by a blade holder, noting that the blade hol-
der must be the right way round: the blade pitch arm and mixer lever must be located
in front of
the blade (see drawing). The top end of the blade pivot shaft must now project into the bearing
shell of the combination bearing 1254.13.
Now pack the bearing shell with grease, and press exactly 14 steel balls into place; the grease
will prevent them rolling around and getting lost.
During the whole of this procedure the blade pivot shaft must project into the bearing shell to the
point where the balls cannot fall inward, between the blade holder and the blade pivot shaft.
Place the thrust washer of the combination bearing on top, with the ball channel on the inside,
and tighten the M5 x 12 socket-head cap screw to secure the parts.
Now turn the assembly over, so that the blade holder you have just fitted is at the bottom. Fit a
0.2 mm shim washer on the blade pivot shaft, followed by the second blade holder.
Take great care that the blade pivot shaft is not pushed back through the centre piece and blade
holder, otherwise the balls may fall out of the combination bearing you have just assembled!
Install the second combination bearing as described above, and tighten the second M5 x 12 so-
cket-head cap screw.
Check the blade holders for freedom of movement, tapping a screwdriver handle on the blade
holders and centre piece to settle the bearings correctly into place; they must not be under ten-
sion or strain.
The blade holders will not rotate freely if they are pushed up against the centre piece; in this
case a spacer washer 4450.57 must be fitted between the thrust washer of one of the two com-
bination bearings and the blade pivot shaft.
Take care when dismantling the combination bearing to avoid the balls falling out!
Once you are confident that the blade holders rotate freely and smoothly, apply a drop of thread-
lock fluid to the M5 x 12 socket-head cap screws and tighten them fully and permanently. If a
brass spacer washer 4450.57 has been fitted, ensure that the socket-head cap screw is tighte-
ned with great care to avoid distorting the washer.