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installation
STE P 2 A.ach Tee Rail to Header Bracket
Ring OrpinI
Clevis Pin @/_ Cotter
5/16 'x2-3/4
Fastener
g Malerial
PROCEDURE: Position opener chassis on garage
floor below header bracket. Use packing material
base to protect cover NOTE: To enable Tee rail to
clear sectional door springs, it may be necessary
to lift the chassis onto a temporary support.
CAUTION: Chassis must either be secured to the
support or held firmly in place by another person_
Raise Tee rail until cable pulley and header brackets
come together Align bracket holes and join with
clevis pin as shown. Secure with a ring or cotter pin
fastener(if cotter pin is used, spread to secure)
STE P 3 Position Opener Chassis
Follow instructions which apply to your door type as illustrated below
TO PREVENT DAMAGE TO ALL LIGHTWEIGHT DOORS AND DOORS WITH WINDOWS, DO
NOT REST THE OPENER ON THE DOOR.
SECTIONAL and ONE-PIECE
DOOR WiTH TRACK
I NSTALLATION
NOTE: A 2x4 is convenient for setting an ideal
door-to-Tee rail distance. It is not necessary where
headroom is insufficienL
PROCEDURE: Raise the opener chassis onto a step-
ladder Open garage door Place a 2x4 on edge on
top section of door near centerline Rest Tee rail
on 2x4
Tee Rail
2x4
Door
ONE-PIECE DOOR
WiTH NO - TRACK
iN STA LLATI ON
PROCEDURE: Measure the distance from floor to
top of door (in fully open position and parallel to the
floor)
Using a stepladder as a support, raise the opener
chassis to the same distance from the floor (chassis
will have a slight angle as shown)
The top of the door should be levet with the top of the
opener For maximum efficiency, do not position the
opener chassis more than 2 inches above this point.
Header
Bracket
• TOp Of ODenet
I Bracket I
I Equal
D
r_ D_stance _
I lrom I
I Floor I
I I
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