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STEP 3 Attach Tee Rail to Header Bracket
Clevis Pin _- Cotter
5/t6"'x2-3/4- !1j Pin
He8
Bracket Cable
Pulley"
B_acket
PROCEDURE: Position opener chassis on garage
floor below door' and header brackets. 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 sup-
port 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 Insert and spread cotter pin to
secure.
Packing Materiat
STE P 4 po,,io. Opener Chassis
TO PREVENT DAMAGE TO ALL LIGHTWEIGHT DOORS, AND DOORS WITH WINDOWS, DO NOT RESTTHE
OPENER ON THE DOOR..
SECTIONAL and ONE-PIECE
DOOR WiTH TRACK
nN STA LL&_ II0 N
NOTE: A 2x4 is convenient for setting an ideal
door-to-Tee rail distance, it is not necessary
where headroom is insufficient°
PROCEDURE: Raise the opener chassis onto a
stepladder. Open the garage door Place a 2x4 on
edge on top section of door directly above door
bracket. Rest Tee rail on 2x4
Tee Rail
2x4
Door
Ste
ONE-PRECE DOOR
WITH NO- TRACK
INSTALLATnON
PROCEDURE: Measure the distance from floor to
top of door (in fully open position and paratlei to
floor)
Using a stepladder as a support, raise the opener
chassis to the same distance from the floor (chassis
witt have a slight angle as shown)
The top of the door should be level with the top of the
opener For maximum efficiency, do not position the
opener chassis more than 2 inches above this poinL
Header
Top o! Opener
I
Door I
Bracket I
i
I
I
Equat I
--_ Distance --4
from I
Floor I
I
I
t
12