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9.3.3.3
Mounting the fan cover
Incorrectly mounting covers with snap mechanism
Avoid injury caused by touching the rotating fan or material damage caused by partial or
complete release of the cover while the machine is operational.
● Carefully ensure that all 4 snap openings of the cover completely engage in the
associated snap-in lugs.
Plastic fan cover SH80 ... 200
● Align the cover with the line marked on the edge of the cover with the middle enclosure
rib as extension to the terminal box base.
● Center the cover by axially moving on the snap-in lugs of the enclosure or the bearing
shield cams.
● First engage 2 snap openings positioned next to one other, then carefully press the cover
into position with the two openings situated opposite these using the snap-in lugs, and
snap it into place.
● Attach the cover using all 4 of its snap-in lugs by applying axial pressure to the reinforced
edge of the cover in the area of the cover mesh.
● If required, use a rubber hammer and apply it once or several times to the edge of the
cover in the axial direction. When doing this, take care not to damage or destroyed the
mesh of the cover.
● When fitting the cover, do not overextend it (you could break it).
9.3.4
Canopy; mounting a rotary pulse encoder under the canopy
Canopy, encoder under the canopy
For screwed canopies, insert the fastening screws through the holes on the outer surface of
the canopy.
Tighten the fastening screws with a torque of 3 Nm ±10 %.
9.3.5
Screw lock washers
Nuts or bolts that are mounted together with locking, resilient and/or force-distributing
elements (e.g., safety plates, spring-lock washers, etc.) must be refitted together with
identical, fully functional elements.
Locking and sealing elements must always be replaced!
Standard motors SH 63 ... 355
Operating Instructions, 12/2018, A5E38483075A
Maintenance
9.3 Corrective maintenance
113
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