LiftMaster GH GT- Logic 4 Installation Manual - Page 15

Door Height Plus 4 feet minimum, MODELS J, H AND HJ, MODEL GH - 75

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WEIGHTS AND DIMENSIONS MODELS J, H AND HJ Hanging Weight: 80-110 lbs. 14.5" (36.83 cm) 6.94" (17.63 cm) 7.56" (19.2 cm) 20.15" (51.18 cm) 8.34" (21.18 cm) 7.62" (19.35 cm) 16.81" (42.7 cm) 4.62" (11.73 cm) Door Height Plus 4 feet (minimum) A - Wall Mounting B - Bracket Mounting (rolling door) 3/8" Bolt 7.56" (19.2 cm) 4.41" (11.2 cm) 6.59" A (16.74 cm) B 5.5" (14 cm) 1.5" (3.81 cm) A B 13.75" (34.93 cm) B B 16.43" (41.73 cm) *23.43" A A (59.51 cm) Hand Chain Wheel Present with Models H and HJ ONLY 4.56" (11.58 cm) HOIST AND JACKSHAFT MODEL GH Hanging Weight: 140 lbs. WEIGHTS AND DIMENSIONS HANGING WEIGHT: .........80-110 LBS. 14" (35.1546 "cm) A Y See Note #2 B See Note #1 X C Hand Chain Wheel D Y See Note #3 HP PHASE A 1/2 1 11-1/2 3/4 1 12-1/2 1 1 12-3/4 1-1/2 1 12-3/4 1/2 3 11 3/4 3 11 1 3 12 1-1/2 3 12-1/2 2 3 12-3/4 3 3 13-1/4 DIMENSIONS B C D 25-3/4 12-63/64 3 26-3/4 12-63/64 3 27 12-63/64 3 27 13-63/64 3-1/2 25-1/4 12-63/64 3 25-1/4 12-63/64 3 26-1/4 12-63/64 3 26-3/4 13-63/64 3-1/2 27 13-63/64 3-1/2 28-5/8 15-15/64 3-15/16 NOTES: 1) Output shaft with 1" x 1/4" key for 1/2 thru 1 HP operators, 1-3/16" x 5/16" key for 1-1/2 and 2 HP operators, 1-1/4" x 1/4" key for 3 HP operators. 2) Mounting centers: X = 4-3/4"; Y = 5-1/2" for 1/2 thru 2 HP operators. X = 3-5/8"; Y = 9-1/16" for 3 HP operators. 3) Hand chain wheel extends 1-5/8" beyond operator in vertical mounting position as shown. 15 Weights and dimensions - Hoist and Jackshaft

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15
HOIST AND JACKSHAFT
A
A
A
B
B
B
B
A
13.75"
(34.93 cm)
1.5" (3.81 cm)
Door Height Plus 4 feet (minimum)
A - Wall Mounting
B - Bracket Mounting (rolling door)
6.59"
(16.74 cm)
5.5"
(14 cm)
Hand Chain Wheel Present
with Models H and HJ ONLY
WEIGHTS AND DIMENSIONS
MODELS J, H AND HJ
Hanging Weight:
80-110 lbs.
Hand Chain Wheel
See
Note #1
See
Note #2
A
X
B
Y
C
D
Y
See
Note #3
A
11-1/2
12-1/2
12-3/4
12-3/4
11
11
12
12-1/2
12-3/4
13-1/4
B
25-3/4
26-3/4
27
27
25-1/4
25-1/4
26-1/4
26-3/4
27
28-5/8
C
12-63/64
12-63/64
12-63/64
13-63/64
12-63/64
12-63/64
12-63/64
13-63/64
13-63/64
15-15/64
D
3
3
3
3-1/2
3
3
3
3-1/2
3-1/2
3-15/16
1/2
3/4
1
1-1/2
1/2
3/4
1
1-1/2
2
3
1
1
1
1
3
3
3
3
3
3
HP
DIMENSIONS
PHASE
MODEL GH
Hanging Weight: 140 lbs.
Weights and dimensions - Hoist and Jackshaft
14.5"
(36.83 cm)
16.81"
(42.7 cm)
6.94"
(17.63 cm)
7.56"
(19.2 cm)
7.56"
(19.2 cm)
4.62"
(11.73 cm)
3/8" Bolt
4.41"
(11.2 cm)
4.56"
(11.58 cm)
7.62"
(19.35 cm)
20.15"
(51.18 cm)
16.43"
(41.73 cm)
14"
(35.56 cm)
8.34"
(21.18 cm)
NOTES:
1) Output shaft with 1" x 1/4" key for 1/2 thru 1 HP operators, 1-3/16" x 5/16" key for 1-1/2 and 2 HP operators,
1-1/4" x 1/4" key for 3 HP operators.
2) Mounting centers:
X = 4-3/4"; Y = 5-1/2" for 1/2 thru 2 HP operators.
X = 3-5/8"; Y = 9-1/16" for 3 HP operators.
3) Hand chain wheel extends 1-5/8" beyond operator in vertical mounting position as shown.
*23.43"
(59.51 cm)