5. Install door braces
(See CAUTION below).
CAUTION
Doors made of masonite,
16
lightweight wood, fiberglass,
and metal must be properly
braced before mounting
an operator.
Contact door manufacturer
or distributor for
bracing instructions.
6. Install door bracket (Fig. 2-12).
Contact door manufacturer for proper installation.
•
NO O TE: Sel l f-d d r r i i lli i ng scr r ews s a r r e e inten n d d e e d for use w w ith
li g g h h t t -we e ight door onl y y , wh h i i le l l ag sc c rew w s ar r e e mea a nt
fo o r r wood doors o o n n l l y.
B B ecau u s s e d d o o o o r r desi i gns v v ar y y , mod i i f f i i c a a ti i ons m m a a y
be r e e quired d a a nd ad d d d i i tional l mat t e e rials n n e e e d d e e d. Pl l eas s e
contac c t your door ma a nufa a ct t u u r r e e r wit t h h a a ny ques s tions
concernin n g g y y our door . .
7. Attach channel/rail assembly to header
bracket (Fig. 2-13).
Fasten header end of the channel/rail to the
•
header bracket with pin.
Install speed nut onto pin (Fig, 2-14).
•
Place cardboard packing under power head. Use
•
additional support if needed.
8. Establish power head mounting height (Fig. 2-15).
Power head should be at door height above floor
•
or higher.
Temporarily support power head in this position.
•
Use
rope.
–
ladder with cardboard packing.
–
wood.
–
V
"
"
Top of Door
de la rte
V
"
"
[ 96 ]
[ 79 ]
Door
br ket
Same arrangement applies
to channel (not shown)
Critical height is point where the rail/channel attaches to power head.
Top of Door
OR
[ 96 ]
Fig. 2-12
Header bracket
Channel
Header
Door
bracket
Door
Power head
(Protected by cardboard
or packing)
Fig. 2-13
[ 82 ]
Pin
Fig. 2-14
Door height
Fig. 2-15
V
"
"
V
"
"
[ 79 ]
Rail
[ 81 ]
Speed
nut
CORRECT
WRONG