Clucth Adjustment - Manaras Opera Opera-GH Installation And Instruction Manual

All power wiring to the operator should be installed by a qualified electrician and may vary with respect to conduit
size and type as specified in the National Electrical Code, Article 430, allowing 5% voltage drop. Power must also
be connected in accordance with local codes.
Minimum suggested
Wire gauge
(AWG)
22
20
18
16
14
12
4.6 CLUTCH ADJUSTMENT (OPTIONAL)
1. Loosen clutch set screws (Figure 13)
2. Back off (rotate counter clockwise) clutch nut until there is insufficient tension to permit clutch to drive door
3. Tighten clutch nut gradually until there is just enough tension on spring to permit operator to move door
smoothly, but allow clutch to slip if door is obstructed.
4. When clutch is properly adjusted it should be possible to stop door by hand during travel.
5. Be sure to tighten clutch set screws each time operator is tested for clutch adjustment and that it is locked
in place on completion of adjustments.
THE OPTIONAL FRICTION CLUTCH IS DESIGNED TO PROTECT VEHICLES AND DOOR
HARDWARE AGAINST DAMAGE. IT IS NOT INTENDED TO PROTECT PEOPLE. ALL DOORS
SERVING PERSONNEL ARE TO BE FITTED WITH AN APPROPRIATE REVERSING DEVICE OR
We strongly recommend the use of an automatic reversing device. Several types are available as
accessories. Consult your dealer for a recommendation.
Friction Disc
Slipping
Sprocket
Pressure
plate
Friction Disc
TABLE 2 WIRE SIZE vs. DISTANCE
24 VAC CONTROL WIRING
Maximum distance between operator and all
REVERSING EDGE TO PREVENT INJURY OR DEATH.
Figure 13
12
Push-button stations
feet (meters)
50 (15)
100 (30)
150 (45)
250 (75)
350 (105)
450 (135)
WARNING
Allen key
Socket Head
cap screw
Hollow shaft
Belleville washer
Pressure plate
Clutch adjustment
Clutch key
Clutch nut