Replacing Electromagnetic Clutch - Horizon Fitness APC-61 Manual

4-13 Replacing Electromagnetic Clutch

Low Speed Belt
Key
Armature
Coil of
Electromag-
netic Clutch
Collar
Shim
Shim
1. Remove encoder according to "4-11 replac-
ing encoder."
2. Remove bracket and low speed belt.
3. Replace snap ring. Do not lose shims (to
remove the play) at the back of snap ring.
4. Pull out low speed pulley. Armature is fixed
at the back of low speed pulley. Handle
them together.
5. Pull out the collar and shims. These shims
Bracket
are for adjusting the gap. Distinguish these
shims from shims in the step 3.
6. Remove the cable from electromagnetic
clutch and pull out electromagnetic clutch
and coil. Do not lose inside key.
Low Speed Pulley
7. Remove armature from low speed pulley
removed in the step 4.
8. Replace clutch with a new one.
Snap Ring
9. Fix brake by the opposite order. Adjust the
Do not apply 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".
4-20
The gap should be between
0.2 and 0.3mm
Low Speed Pulley
Armature
Coil
gap by pieces of shims so that the gap be-
tween coil and armature is between 0.15 and
0.3mm.
Shim
Shim