RUN MED: Service & Maintenance Manual - rev. 1.0
Page 8.2
8.2. TENSIONING A USED TREAD BELT
Figure 8.2-1
1. Before slackening a used tread belt that
needs to be re-tensioned, place a tape
measure along the right edge of the tread belt
and use a pen to make two reference marks
spaced exactly 1 meter apart.
2. After reassembling the used tread belt, lock
down the rear right-hand screw a until the
two marks made previously on the tread belt
are once again spaced 1 meter apart.
3. Lock down the left hand tread belt tension
screw until the rear roller is aligned with the
crossbar. Also adjust the left-hand screw so
that the roller is always approximately
parallel with the one on the front, to
counteract the tension exerted by the belt on
the roller bearings.
This procedure is normally carried out
after replacing the rear or driving
roller, or in cases where a used tread
belt needs to be reassembled: it is not
possible to carry out the procedure
described in paragraph 8.1. because the
tread belt is not elastic.
After completing this procedure, check
the centering of the tread belt as
instructed in paragraph 8.3.
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