User manual LIFT-MASTER 65 5502

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Manual abstract: user guide LIFT-MASTER 65 5502

Detailed instructions for use are in the User's Guide.

 [. . . ] FUSIBLE LINK MODIFICATION
655502 "Single" and 655503 "Bi-Part" Sliding Door Operators
APPLICATION
Used to mechanically release single or bi-part sliding fire doors from the door operator. A fusible link holds a cylindrical weight attached to the door release.  [. . . ] Secure the fusible link chain mounting bracket to the upper leading edge of the door (6 - 12" below the top) so that the fusible link will be in the door opening when the door is open (Figure 1). Thread the fusible link chain through the eye bolt,  then through the eyelet in the weight mechanism,  and then up through the bottom of the disconnect pin. Raise the weight to approximately 3' from floor level and engage the chain in the slot of the chain retaining bracket. Couple the chain to itself around the weight so that the chain cannot move through the eyelet in the weight. Disengage the chain and allow the weight to hang from the fusible link. Leave a small amount of slack between the weight and the disconnect pin and fasten a key ring to the link on each side of the disconnect pin so that the chain cannot pass through the hole. Cut off any excess chain leaving 6" to hang below the chain retaining bracket. 

CAUTION

WARNING
To prevent possible SERIOUS INJURY or DEATH,  disconnect electric power to operator BEFORE installing. ALL electrical connections MUST be made by a qualified individual. 

11. Fasten the key ring 1-1/4" to end of chain. Mount the weight guide to the door with the weight protruding 3 - 4" above the guide (Figure 1). BI-PART DOORS Install the second fusible link assembly on the second door following the steps outlined above. Be sure that one link is hung lower than the other so they do not interfere with each other when the doors are fully closed (Figure 2). 

TEST
Test the fusible link disconnect installation as follows.  [. . . ] 6. 0" Min. 

13. 0" 13. 08"

Door Travel Plus 4. 25'

24. 0"

24. 0"

0. 5"

20. 53" Eye Bolt "S" Hook Fusible Link Eye Bolt

"S" Hook

Cylindrical Weight

Cylindrical Weight

01-12791C

© 2005,  The Chamberlain Group,  Inc. All Rights Reserved

Printed in Mexico [. . . ]

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