Replacing Electromagnetic Brake - Horizon Fitness APC-61 Manual

4-12 Replacing Electromagnetic Brake

Electromagnetic Brake (Coil)
Large Pulley
Small Pulley
Screw
[Encoder Part]
1. Remove encoder unit according to "4-11
Replacing Encoder".
2.Remove 2 belts.
3. Loosen the nut with wrench between 25 and
28mm.
For easier loosening the nut, fit allen wrench
into the screw (SS6-8) of large pulley to the
shaft.
Spacer
4. Loosen the screw of large pulley and pull
out the pulley.
Shim
- There is a key inside. Do not lose it.
- The armature of electromagnetic brake and
small pulley are fixed with large pulley.
Handle them together.
Nut
5. Pull out shins and spacer.
6. Remove the cable from terminal board and
remove coil of electromagnetic brake.
7. Remove armature from large pulley re-
moved in the step 4
8. Replace brake with a new one.
9. Fix brake by the opposite order. Adjust the
Do not stick oil or grease on brake side.
10. Fix the encoder parts.
Because encoder was once removed, adjust
the gap between actual cut size and indicated
size according to "Adjustment of Cut Size,
from 3-1 to 3-3".
4-19
The gap should be between
0.15 and 0.3mm
Collar
Armature
Coil
gap by pieces of shims so that the gap be-
tween coil and armature is between 0.15 and
0.3mm.
Shim