Wayne-Dalton 8700 installation instructions Snubber

3/4” To 7/8”	3/4” To 7/8”
	Door edges
	Horizontal tracks

20	Attaching Front Cable Lift Sheaves
	Tools: 3/8” Wrench

Using (1) 3/8”-16 hex nut, attach the front cable lift sheave in the appropriate hole (left hand shown).

If you have 3” Front Cable Lift Sheave and a 12” Radius Horizontal Track:

Bolt the front cable lift sheave to the 13/32” hole near the top of the flag angle, as shown.

If you have 3” or 4” Front Cable Lift Sheave and a 15” Radius Horizontal Track:

Bolt the front cable lift sheave to the first 13/32” hole in the horizontal angle, as shown. Repeat for other side.

Remove the locking pliers from the vertical tracks. With assistance, raise the door slowly into the open position making sure the door travels smoothly through the tracks. Clamp locking pliers to the back leg of both horizontal tracks, below the bottom track rollers to keep the door from lowering.

Rear back hang

5/16” - 18 Hex nut

5/16” - 18 x 3-3/4” Eye bolt

6” - 8”

Horizontal Track

Snubber

cableSpecial Knot

Special Knot

Horizontal track

5/16” - 18 x 3-3/4”			3 Hole
		5/16” - 18	Clip
Eye bolt		Hex nut
Rear back hang
	Front extension		Rear
Snubber		extension
	spring loop	spring loop
cable

12” Radius	Flag angle
horizontal track with
3” front cable lift
sheave hole location
3/8 - 16”
Hex Nut
15” Radius horizontal
track with 3” or 4”
front cable lift sheave
hole location

Front cable lift sheave

Horizontal

Angle

Horizontal

track angle

Horizontal track Rear back hang

Specail Knot-Back Specail Knot-Front

21	Attaching Extension Springs
	Tools: 3/8” Wrench

Position (1) 5/16”-18 x 3-3/4” eye bolt and (1) 5/16”-18 hex nut in the rear back hang, 6” to 8” above the horizontal track, as shown. Feed the snubber cable through the rear back hang and tie the special knot around the “room side” of the 3 hole clip, as shown. Secure the eye bolt and 3 hole clip to the rear back hang with (1) 5/16” - 18 hex nut. Hook one end of the extension spring onto the eye bolt. Feed the snubber cable through the rear extension spring loop and center of the extension spring then front spring loop, pull the snubber cable taut and tie the special knot around the “jamb side” of the 3 hole clip. Attach the “jamb side” 3 hole clip to the jamb near the flag angle with (1) 5/16” x 1-5/8” lag bolt.

NOTE: Snubber cables must be taut.

WARNING

Failure to install snubber cables can result in severe or fatal injury in case of spring breakage.

5/16” x 1-5/8”
Lag Bolt	Snubber		Snubber
			cable
	cable	Extension
		spring loop
	3 Hole
	clip	3 Hole clip
Horizontal track		Horizontal track
angle		Rear back hangs

22	Attaching Spring Sheaves
	Tools: 3/8” Wrench

Hook the sheave fork through the front loop of the extension spring and attach the sheave fork to the rear cable lift sheave using (1) 3/8”-16 x 1-1/4” hex head bolt and (1) 3/8”-16 hex nut.

Thread the counterbalance lift cable over the front cable lift sheave and around the rear cable lift sheave and tie the special knot around the “horizontal angle” using a 3 hole clip, as

12

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