LiftMaster GH GH -Mechanical New style w/ thermal overload change Manual - Page 3

Operator Dimensions, Carton Inventory - 1 2 hp

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CARTON INVENTORY Before beginning your installation check that all components were provided. DESCRIPTION POWERHEAD ASSEMBLY OWNER'S MANUAL AND CAUTION LABELS HARDWARE BOX (INCLUDES FASTENERS, DISCONNECT AND CHAIN HOIST WALL BRACKET) 3-BUTTON CONTROL STATION HOIST HAND CHAIN DOOR SPROCKET DOOR/OPERATOR DRIVE CHAIN OPERATOR DIMENSIONS WWEIEGHIGTHS TASNDADNIDMEDNISMIOENNSSIONS HAHNAGNINGGINWGEIWGHETIG: HT: ....8..0..-.18100-1L1B0SL. BS. 14.00" A Y See Note #2 B See Note #1 X C Hand Chain Wheel HP PHASE A 1/2 1 11-1/2 3/4 1 12-1/2 D 1 1 12-3/4 1-1/2 1 12-3/4 Y 1/2 3 11 3/4 3 11 1 3 12 1-1/2 3 12-1/2 See 2 Note #3 3 3 12-3/4 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 NOTES: 1) Output shaft with 1" x 1/4" key for 1/2 thru 1HP operators, 1-3/16" x 5/16" key for 1-1/2 and 2 HP operators, 1-1/4" x 1/4" key for 3HP operators. 2) Mounting Centers: X = 4-3/4"; Y = 5-1/2" for 1/2 thru 2HP operators X = 7-17/32"; Y = 9-1/16" for 3HP operators 3) Hand Chain Wheel extends 1-5/8" beyond operator in vertical mounting position as shown. 3

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OPERATOR DIMENSIONS
3
14.00
"
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
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
WEIGHTS AND DIMENSIONS
HANGING WEIGHT:
80-110 LBS.
NOTES:
1) Output shaft with 1" x 1/4" key for 1/2 thru 1HP operators, 1-3/16"
x 5/16" key for 1-1/2 and 2 HP operators,
1-1/4" x 1/4" key for 3HP operators.
2) Mounting Centers: X = 4-3/4";
Y = 5-1/2" for 1/2 thru 2HP operators
X = 7-17/32";
Y = 9-1/16" for 3HP operators
3) Hand Chain Wheel extends 1-5/8" beyond operator in vertical mounting position as shown.
Before beginning your installation check that all components were provided.
CARTON INVENTORY
DESCRIPTION
POWERHEAD ASSEMBLY
OWNER’S MANUAL AND CAUTION LABELS
HARDWARE BOX (INCLUDES FASTENERS, DISCONNECT AND CHAIN HOIST WALL BRACKET)
3-BUTTON CONTROL STATION
HOIST HAND CHAIN
DOOR SPROCKET
DOOR/OPERATOR DRIVE CHAIN