
Maintenance
FM 239 MuW Beta Type Z Rev.01
2020-07-22
29
1.
Unbolt the cover panels
2.
Slacken the clamping screws for the timing belt holders on both
bearing casings
3.
Pull the two timing belt holders out of the bearing casings.
4.
Unbolt the clamp fittings from the timing belt holders or detach the
timing belt holders from the belt (Beta 180 only).
5.
Affix one end of the new timing belt by fabric tape to the end of the
old timing belt to aid drawing it in.
When sticking the two timing belts together, their toothing pitch
must match, so that the new belt engages in the synchro disk.
6.
Grasp the other, free end of the defective timing belt and slowly
draw the two belts through the carriage drive. Push the new timing
belt gently to draw it in.
7.
Mount the timing belt holders on both ends of the new timing belt.
8.
Insert the timing belt holders in the bearing casings and fasten them
by the clamping screws, but do not tighten them. Lock the clamping
screws with Loctite 243.
9.
Tighten the timing belt.
10.
Set the precise specified tension using a tension meter (see meter
operating instructions).
Only by setting the correct tension as specified can optimum
running be ensured.
11.
The measurement position and the Hz figure applicable to the
timing belt are provided along with the replacement belt. Tension
the timing belt so that the specified Hz figure is indicated.
Содержание Beta 100-D-ASS
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