LiftMaster MJ MJ5011E Installation-2008 Manual - Page 9

Mh And Mhs Only, Mj Only, Secure Operator, Install Manual Disconnect Systems

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TYPICAL INSTALLATION 7 SECURE OPERATOR Secure operator to mounting surface using appropriate method and hardware. Mounting template can be found on carton. Operator Operator 8 INSTALL MANUAL DISCONNECT SYSTEMS The MHS operator includes both a floor level disconnect chain to disconnect the door from the door operator and a disconnect chain with manual hoist to electrically disable the operator controls. A Secure chain retaining bracket to wall (MH AND MHS ONLY) Chain Retaining Bracket (with pad locking provisions) B Wrap hand chain around hand chain wheel and through chain guide (MH AND MHS ONLY) 4' above floor A Secure keyhole bracket to wall (MJ ONLY) Keyhole Bracket 4' above floor Hand Chain Hand Chain Wheel Connect the ends of the hand chain 2' Floor 9

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9
TYPICAL INSTALLATION
7
SECURE OPERATOR
Operator
Operator
Secure operator to mounting surface using
appropriate method and hardware. Mounting
template can be found on carton.
8
INSTALL MANUAL DISCONNECT SYSTEMS
Floor
2'
4'
above
floor
4'
above
floor
Wrap hand chain around hand
chain wheel and through chain
guide
Secure chain retaining bracket to wall
Connect the ends of the hand chain
Hand Chain
Hand
Chain
Wheel
The MHS operator includes both a floor level disconnect chain to disconnect the door from the door operator and a disconnect chain
with manual hoist to electrically disable the operator controls.
Keyhole
Bracket
Chain Retaining Bracket
(with pad locking provisions)
Secure keyhole bracket to wall
B
A
A
(MH AND MHS ONLY)
(MH AND MHS ONLY)
(MJ ONLY)