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PTM 2-39 B070/B071
2.5.3 DRUM DRIVE
The drive from the drum motor [A] is transmitted to the drum and the cleaning unit
through timing belts, gears, the drum drive shaft [B], and the cleaning unit coupling
[C].
The drum motor has a drive controller, which outputs a motor lock signal when the
rotation speed is out of the specified range. The drum speed for the B070 (90 cpm) is
450 mm/s and for the B071 (105 cpm) 500 mm/s.
The flywheel [D] on the end of the drum drive shaft stabilizes the rotation speed.
B070D202.WMF
[C]
[A]
[D]
[B]