LiftMaster GH GH LOGIC 3 Manual - Page 3

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 WITH LED HOIST HAND CHAIN DOOR SPROCKET DOOR/OPERATOR DRIVE CHAIN OPERATOR DIMENSIONS WEIGHTS AND DIMENSIONS HANGING WEIGHT: 80-110 LBS. A Y See Note #2 14.00" B See Note #1 X Hand Chain Wheel HP PHASE 1/2 1 A 11-1/2 3/4 1 12-1/2 1 1 12-3/4 D 1-1/2 1 12-3/4 1/2 3 11 3/4 3 11 Y 1 3 12 1-1/2 3 12-1/2 2 3 12-3/4 3 3 13-1/4 C See Note #3 DIMENSIONS B C 25-3/4 14.13 26-3/4 14.13 27 14.13 27 15.13 25-1/4 14.13 25-1/4 14.13 26-1/4 14.13 26-3/4 15.13 27 15.13 28-5/8 17.13 D 3 3 3 3-1/2 3 3 3 3-1/2 3-1/2 3 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 & 2 HP operators and 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 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