Craftsman 139.53315SR Garage Door Opener User Manual


 
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STEP 2 Attach Tee Rail to Header Bracket
Pac_king
M.atedal
PROCEDURE: Position opener chassis on garage floor
below the header bracket, Use packin 3 matedaI base to
protect cover° NOTE: To enable the Tee rail to clear
sectional door springs, it may be necessary to lift the
chassis onto a temporary support,
CAUTION: Chassis musteither be secured to support
or held firmly In place by another person.
Raise the Tee rail until pulley and header brackets come
together. Align bracket holes and join with clevis pin as
shown,, Insert ring fastener to secure°
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STEP 3 Position Opener Chassis
Follow instructions which apply to your door type as illustrated.
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TO PREVENT DAMAGE TO ALL LIGHTWEIGHT DOORS AND DOORS WITH WINDOWS, DO NOT REST
THE OPENER ON THE DOOR_
INSTALLATION
SECTIONAL & ONE-PIECE
DOOR WITH TRACK
NOTE: A 2x4 is convenient for setting an ideal door-
to-Tee rail distance, tt is not necessery where headroom
ts Insufficient.
PROCEDURE: Raise the opener chassis onto a step-
ladder, Open garage door, Place a 2x4 on top section of
door near centedine as shown below, Rest Tee rail on 2x4°
INSTALLATION
ONE-PIECE DOOR
WITH NO TRACK
PROCEDURE: Measurethe distance from floorto top of
door (in fully open positionand parallel to the floor),
Using a stepladderas a support,raiseopener chassisto
the same distancefromthefloor(chassiswill have a stight
angle as shown).
The topof the doorshould be level withthe top of opener,
For maximum efficiency, do notposition opener chassis
more than 2 inches above this point.
Top of Opener
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