Wayne-Dalton 8850 installation instructions Preparing the Opening, Securely attach a, Failure to

P2			header board				suitable mounting
	Preparing the Opening							surface 2” x 6”
			2” x 6” lumber
							lumber minimum
			recommended
	WARNING	securely attach a					door height
Tools Needed:		Failure to
Recommended	suitable mounting pad to structurally				level header
tools from	sound framing could cause springs to
page 5	violently pull mounting pad from wall,				plumb jambs
	resulting in severe or fatal injury.
	If you just removed your existing door or you are installing a new
	door, complete all steps in PREPARING THE OPENING.				door
	To ensure secure mounting of track brackets, side and center				width
	bearing brackets, or steel angles to new or retro-fit construction, it is
	recommended to follow the procedures outlined in DASMA Technical
	Data Sheets #156, #161 and #164 at www.dasma.com.
	The inside perimeter of your garage door opening should be framed
	with wood. The jambs and header must be securely fastened to				headroom
	sound framing members. It is recommended that 2” x 6” lumber		header
	be used. The jambs must be plumb and the header level. The							backroom
	jambs should extend a minimum of 14” (356 mm) above the top
	of the opening for Torsion spring applications. For low headroom
	applications, the jambs should extend to the ceiling height.
	IMPORTANT: Closely inspect existing jambs, header and mounting							jamb
	surface. Any wood found not to be sound, must be replaced.
	For Torsion spring applications, a suitable mounting surface must
	be firmly attached to the wall, above the header at the center of the
	opening. The mounting surface must be 2” x 6” lumber minimum				WEATHER SEAL
	(Select southern yellow pine lumber or equivalent. Do not use
	lumber marked as spruce-pine-fir or SPF). The mounting surface
	must be securely attached to the wall with four (4) 3/8” anchors for
	masonry constructions or four (4) 5/16” x 4” lag screws for wood				jamb
	construction.
	NOTE: Drill a 3/16” pilot hole in the mounting surface to avoid
	splitting the lumber. Do not attach the mounting surface with nails.						BACKROOM
	needed above the top of the door for tracks, springs, etc. to allow
	HEADROOM REQUIREMENT: Headroom is defined as the space
	the door to open properly. If the door is to be motor operated, 3” (64			ROOM
				SIDE
	mm) of additional headroom is required.
	BACKROOM REQUIREMENT: Backroom is defined as the distance
	needed from the opening back into the garage to allow the door to
	open fully.						SIDE
	Weather Seal (May Not Be Included):							ROOM
	Cut or trim the weather seal (if necessary) to the header and jambs.			T
	Align the header seal with the inside edge of the header and		H
			DAYLIG				H
	temporarily secure it to the header with equally spaced nails. Next,		OPENING		T
				T	H	WIDT
			EIG
	fit the jamb seals up tight against the header seal and flush with		H	H	DAYLIG
					OPENING
	the inside edge of the jamb. Temporarily secure the jamb seals with						EXTEND JAMBS
	equally space nails approximately 12” to 18” apart. This will keep						14”MINIMUM
	the bottom section from falling out of the opening during installation.
	NOTE: Do not permanently attach weather seal to the jamb at this		MINIMUM HEADROOM
	time.		REQUIRED (REFER TO
			HEADROOM CHART)
					HEADER
					TO SHAFT			Wall angles
	Dim. Y INDICATES THE DISTANCE FROM THE HEADER TO THE				CENTERLINE			cut 3” off for
	CENTER LINE OF TORSION SHAFT.							12” radius
								applications
	NOTE: 3” OF ADDITIONAL HEADROOM IS REQUIRED FOR SINGLE				8” for 2” TRACK
	TROLLEY OPERATOR INSTALLATIONS.			12” for 3” TRACK
	NOTE: HEADROOM CAN BE REDUCED 2-1/2” BY USING THE QUICK
	CLOSING TOP FIXTURE OR BY SHORTENING THE VERTICAL TRACKS BY
	3” MAX.
6

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