Liftmaster 1702E Emergency Key Switch Instructions
- June 17, 2024
- LiftMaster
Table of Contents
Model 1702E
Outside Quick Release
1702E Emergency Key Switch
As you proceed with the installation of Model 1702E Outside Quick Release,
refer to door types shown in Figures A, B, C and D:
Figure A: One-piece door with horizontal track only
Figure B: One-piece door without track
Figure C: Sectional Door with curved track
Figure D: Canopy and one-piece door with horizontal
and vertical track with “The Chamberlain Arm” installed
Locate the Quick Release on the outside of your garage door (2).
For doors A, B and C, center the Quick Release (1) below the opener door
bracket (3). For door style D. locate Quick Release (1) approximately 10cm on
either side of the door’s centerline.
For one-prece doors without track (B), position lock 35-60cm below top of door
For all other door types (A, C and D), position the lock 50-75cm below the top
of the door (refer to illustrations). If door construction is metal, refer to
special instructions contained in the “NOTE”.
Figure E — Install Outside Quick Release:
Fasten template G at marked location. From outside of door, drill a 19mm
diameter hole for the lock (1) and two 6,5mm side holes (2) for the
1/4””-20×2-1/2″ mounting bolts (4). Drill all holes completely through the
door.
Uncoil cable attached to end of tumbler. Guide cable (3) through the 19mm
diameter hole from outside the door. Insert lock assembly and position flush
with door Insert the two mounting bolts into the side holes from outside of
door.
Fasten from the inside with 1/4” washers (§) and hex nuts (6). Tighten nuts
securely
NOTE: On a metal door, the template must be positioned so that all the
drilled holes will pass through the inside reinforcement stile of the door, if
possible.
Figure F — Remove rope from trolley release arm (1). Place free cable loop (2)
over one pin of the master link outside bar (3) as shown. Securely tie a loop
(4) at free end of release rope and place over second pin in outside bar (5).
Push pin holding cable loop through hole in the release arm of the trolley
Push cap (6) onto the pins and into pin notches (7). Be sure cable loop and
manual rope are secured to pins. Slide clip-on spring (8) over cap and lock
onto pin notches.
Refer to Figures A, B, C and D; use plastic ties (4) to loosely secure the
excess cable to door arm.
To Operate the Quick Release: Insert the key into lock and tum clockwise.
Remove the key AND tumbler from the lock. Pull firmly on the cabie. Do not
pull on the key or tumbler. The outer trolley will disconnect from the inner
trolley so the door can be opened manually.
Trolley sections will reconnect automatically when the opener is started
Replace tumbler in the lock. Turn the key counterclockwise. Remove the key.
114A2371
©1999 All Rights Reserved
Printed in Mexico
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