Interroll Drum motor series i, S, S/A, D
Assembly and installation
78
Version 4.1 (06/2015) en-US
Translation of original instruction manual
4 If the drum motor is used for frequent reversing duty or for start/stop operation: Ensure that
there is no gap between key surfaces and the mounting brackets.
The drum motor can also be installed without mounting brackets. In this case, the axle ends must
be installed into corresponding recesses in the conveyor frame; these recesses must be
reinforced in such a way that they meet the aforementioned requirements.
Axial clearance
The entire axial clearance of the drum motor should be at least 1 mm (0.5 mm per side) and no
more than 2 mm (1 mm per side).
max. 0.4 mm 0.0 mm
Torsional clearance for standard applications (left) and for applications with frequent reversing duty
or start/stop operation (right)
4 If necessary, install a support plate above the mounting bracket to secure the drum
motor axle.
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