Primary reduction: (5L) V-belt and pulleys (2” to 8” diameter) Secondary reduction: #41 chain and sprockets
#41 roller chain & sprockets on all internal drives
#50 roller chain and sprockets on final drive
Baked on dark grey coat finish
3/4” permanently lubricated & 1” permanently lubricated & sealed ball bearings on final drive shaft
Chain keeper
Left or right hand mounting
Mechanical brake system
Solenoid actuated drum and brake shoe braking system to prevent coasting and maintain door position
Solenoid brake (optional PRO-JB) recommended for large doors
C-2 wiring constant pressure on close, momentary contact on open and stop
Wired to accept reversing edge, radio control, photocells, loops and OPEN/CLOSE devices
24VAC control circuit to protect against short circuit, supplies
power to drive control relays with 15VA power available for external
devices
4 micro limit switches that control door travel activated by fully adjustable screw type cams
Floor level cable disconnect system with electrical cut-out feature
for manual operation of the door by hand in the event of an emergency
Adjustable friction clutch to minimize damage to door operator, door or vehicles
Two-year warranty
Shipping weight: 95 lbs.
N-1 Micanan photocells included for doors up to 24’ wide
Carton Contents:
1 x OPEN/CLOSE/STOP 3-button control station
1 x #50 Drive chain package: 4’ (1.2m) c/w #50 connecting link
1 x Drive Sprocket 50B12 x 1” c/w 2 set screws and ¼” x 1-1/4” keyway
1 x Door Sprocket 50B18 x 1” c/w 2 set screws and ¼” x 1-1/4” keyway
(sprocket size and bore may vary according to door size and type, shaft
size and drum diameter
1 x Chain keeper
1 x Keyring
3/8” bolt, hex nut, lock washer and flat washer
1 x pocket wheel hand chain (Model PRO-H) (2 x door height less 4’ (1.2m))