LiftMaster GH5HP 5 HP Heavy Industrial-Duty Gear-Reduced Hoist Operator - Manual (Page 3)

18 3
TO AVOID DAMAGE TO DOOR AND OPERATOR,
MAKE ALL DOOR LOCKS INOPERATIVE. SECURE
LOCK(S) IN "OPEN" POSITION.
IF THE DOOR LOCK NEEDS TO REMAIN
FUNCTIONAL, INSTALL AN INTERLOCK SWITCH.
DO NOT CONNECT ELECTRIC POWER UNTIL
INSTRUCTED TO DO SO.
KEEP DOOR BALANCED. STICKING OR BINDING
DOORS MUST BE REPAIRED. DOORS, DOOR
SPRINGS, CABLES, PULLEYS, BRACKETS AND
THEIR HARDWARE MAY BE UNDER EXTREME
TENSION AND CAN CAUSE SERIOUS PERSONAL
INJURY. CALL A PROFESSIONAL DOOR
SERVICEMAN TO MOVE OR ADJUST DOOR
SPRINGS OR HARDWARE.
WARNING
CAUTION CAUTION
WARNING
WARNING WARNING
CAUTION
WARNING
WARNING
SITE PREPARATIONS
It is imperative that the wall or mounting surface
provide adequate support for the operator.
This surface must:
a) Be rigid to prevent play between operator and
door shaft.
b) Provide a level base.
OPERATOR PREPARATION
IMPORTANT SAFETY NOTES
Hand
Chain Wheel
Chain Guide
The GH operator may be mounted on either the right (standard) or left side of door, and in either a vertical
(standard) or horizontal mounting position. Refer to the steps below if you require the hand chain and/or
disconnect chain to be on the opposite side of the operator; Or if the operator is being mounted in a horizontal
position.
Hand Chain Right/Left Conversion
Remove the outer snap ring securing the chain wheel
assembly. In reverse of disassembly, install the chain
wheel assembly on the opposite side of the gear hoist
housing.
FIGURE 2
OPERATOR NOTES
c) Permit the operator to be fastened securely and
with the drive shaft parallel to the door shaft.
The safety and wear of the operator will be adversely
affected if any of the above requirements are not met.
FIGURE 1
BEARING PLATES
RECOMMENDED MIN. SIZE
1/4” THK. 2” X 2” SQ. MIN.
STEEL
OPTIONAL
MOUNTING PLATE
(SEE PAGE 16)
USE 5/8” DIA. BOLTS THAT
PROTRUDE THROUGH THE
WALL, WITH BEARING PLATES
ON THE OUTSIDE OF THE
BUILDING TO DISPLACE THE
LOAD.
5/8” DIA. BOLT
HEX NUT
LOCK WASHER