LiftMaster J door operator - Manual (Page 5)

5
TROLLEY
MAXIMUM DOOR AREA (SQ. FT.)
MODEL T
STANDARD SECTIONAL
24 ga.
22 ga.
Steel
Alum.
Doors
---
285
350
500
625
---
Fiberglass
Doors
---
310
400
560
640
20 ga.
Steel
Wood
Doors
24 ga.
Steel
Insul.
260
320
450
560
16 ga.
Steel
---
20 ga.
Steel
Insul.
175
250
325
400
---
---
16 ga.
Steel
Insul.
125
200
275
310 1/3 HP
1/2 HP
3/4 HP
1 HP
MODEL GT
STANDARD SECTIONAL
24 ga.
22 ga.
Steel
Alum.
Doors
---
350
500
575
625
---
Fiberglass
Doors
---
400
560
625
---
20 ga.
Steel
Wood
Doors
24 ga.
Steel
Insul.
320
450
500
550
16 ga.
Steel
---
20 ga.
Steel
Insul.
250
325
400
475
---
---
16 ga.
Steel
Insul.
200
250
300
380 1/2 HP
3/4 HP
1 HP
1-1/2 HP
MODEL APT
STANDARD SECTIONAL
20 ga.
Steel
Wood
Doors
24 ga.
Steel
Insul.
225
24 ga.
22 ga.
Steel
Alum.
Doors
Fiberglass
Doors
250
16 ga.
Steel
---
20 ga.
Steel
Insul.
150
---
---
16 ga.
Steel
Insul.
100 1/2 HP
Operator specifi cations/Maximum door area - Trolley
MECHANICAL
DRIVE REDUCTION:
Model APT and T . . . . . . . . . . Primary: Heavy duty (5L) V-Belt
Secondary: #41 chain/sprocket;
Output: #48 chain (1/3 and 1/2 HP Model T and APT)
or #41 chain (3/4 and 1 HP Model T ONLY)
Model GT . . . . . . . . . . . . . . . . . . . . . .Primary: 20:1 Heavy duty
worm gear-in-oil-bath speed reducer
Output: #41 chain
OUTPUT SHAFT SPEED:
Model APT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96 RPM
Model GT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113.5 RPM
Model T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 RPM
DOOR SPEED (not adjustable):
Model APT . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7" per second
Model GT . . . . . . . . . . . . . . . . . . . . . . . . . . .11-12" per second
Model T . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-12" per second
BRAKE: Solenoid actuated disc brake on 3/4 and 1 HP, standard
on Model GT (Available as an option for 1/3 and 1/2 HP)
BEARINGS: . . . . . . . . . . . . . . Output Shaft: Shielded ball bearing
Model APT and T . . . .Clutch Shaft: IronCopper sintered and oil
impregnated
OPERATOR SPECIFICATIONS