Wayne-Dalton 8850 Rear Support, Keep horizontal track, Otherwise door could fall, Death

20	Rear Support
Tools Needed:	WARNING
Ratchet Wrench
	Keep horizontal track
1/2” Socket	parallel and within 3/4”
	maximum of door edge,
		vice
1/2” Wrench	otherwise door could fall,
		clamps
	resulting in severe injury or
(2) Vice Clamps	death.
Step Ladder	Raise the door until the top section and
	half of the next section are in a horizontal
	position. Do not raise door any further
	since rear of horizontal track is not yet
	supported.
	WARNING
	Raising door further can
	result in door falling and	DOOR IN THE UP POSI-
	cause severe injury or death.
		TION (PARTIALLY OPEN)
	Clamp a pair of vice clamps on the vertical
	tracks just above the second roller on one
	side, just below the second roller on the
	other side. This will prevent the door from
	raising or lowering while installing the rear	vertical
	support.	TRACK
	Using perforated angle, 5/16” x 1-5/8”
	hex head lag screws and 5/16” bolts
	with nuts (may not be supplied), fabricate
	rear support for horizontal tracks. Attach
	horizontal tracks to the rear supports with
	5/16”- 18 x 1-1/4” hex bolts and nuts
	(may not be supplied). Horizontal tracks
	must be level and parallel with door.
	NOTE: Doors over 11 ft. high and over 14 ft.
	wide must have (1) intermediate drop hanger
	as shown. Doors over 16’ high must have (2)
	intermediate drop hangers as shown.
	NOTE: If rear supports are to be installed
	over drywall, use 5/16” x 2” hex head lag
	screws.
	NOTE: Make sure the spacing is correct
	for the top section from the horizontal track
	(as shown and step 10).
	Adjust weather seal (if necessary) Now
	permanently attach the weather seal to
	both door jambs and header. (Temporarily
	attached in PREPARING THE OPENING on
	page 6.) Avoid pushing weather seal too
	tightly against face of door.	Door
	WARNING	Edge
		1-11/16”-
	Prior to winding or making	1-3/4”
	adjustments to the springs,
	ensure you’re winding in the
	proper direction as stated in	Horizontal Track
	the Installation Instructions.
	Otherwise, the spring fittings may
	release from spring if not wound
	in the proper direction and could
	result in severe or fatal injury.

20

Please Do Not Return This Product To The Store. Contact your local Wayne-Dalton dealer. To find your local Wayne-Dalton dealer, refer to your

local yellow pages/business listings or go to the Find a Dealer section online at www.wayne-dalton.com