Wayne-Dalton 3790-Z installation instructions TorqueMaster, Setting Spring Tension

TorqueMaster®

12	Setting Spring Tension
Tools Needed:	See chart below for proper spring tension setting.
Power Drill	Beginning with the right hand side, ensure the counterbalance
	cable is in the first groove of the cable drum. NOTE: Apply
7/16" Socket	light pressure to the canoe clip on counter while winding
Driver	springs.
7/16" Wrench	Using a power drill (high torque/gear reduced to 1300 RPM
	preferred) with a 7/16" socket driver, carefully rotate right
Step Ladder	hand winding bolt clockwise, until counter shows 2-3 turns.
	This will keep the counterbalance cable taut while adjusting
	the left hand side counterbalance cable.
	Adjust left hand counterbalance cable tension (Refer to step
	10).
	NOTE: Single spring applications require no spring winding
	on left hand side, but need cable tension adjusted.
	IMPORTANT! Ensure counterbalance cable tension is equal
	for both sides prior to fully winding spring(s) to appropriate
	number of turns. If cable tension is unequal, refer to Step 10.
	See the Spring Turn chart.
	For SINGLE SPRING applications, return to the right hand
	side and carefully rotate the winding bolt head clockwise until
	the counter shows the correct number of turns for your door
	or the number record during the Pre-Installation Inspection on
	page II.
	For DOUBLE SPRING applications, remain on the left hand
	side and carefully rotate the winding bolt head clockwise until
	the counter shows the correct number of turns for your door
	or the number record during the Pre-Installation Inspection on
	page II. Then return to the right hand side and wind the right
	hand spring to the required number of turns for your door or
	the number recorded during the Pre-Installation inspection on
	page II.
	IMPORTANT! DO NOT OVERWIND.
	After spring is wound, hold the lock nut (in back of end
	bracket) stationary with a 7/16" wrench while rotating the
	winding bolt clockwise until snug. Tightening of the lock nut
	prevents spring from unwinding. Repeat for opposite side on
	double spring Torquemaster® systems.
	IMPORTANT! CAUTIOUSLY REMOVE VICE CLAMPS FROM
	VERTICAL TRACKS. ADJUSTMENTS TO THE RECOMMENDED
	NUMBER OF TURNS MAY BE REQUIRED. IF DOOR RAISES
	OFF THE FLOOR UNDER SPRING TENSION ALONE, THEN
	REDUCE SPRING TENSION UNTIL DOOR RESTS ON THE
	FLOOR. IF THE DOOR IS HARD TO RAISE OR DRIFTS DOWN
	ON ITS OWN, THEN ADD SPRING TENSION. AN
	UNBALANCED DOOR CAN CAUSE IDRIVE® OPERATION
	PROBLEMS.
	IMPORTANT! IF YOU ARE INSTALLING THE IDRIVE®
	OPENER ON A NEW GARAGE DOOR, REAR SUPPORTS WILL
	NEED TO BE FABRICATED/ INSTALLED TO SUPPORT THE
	HORIZONTAL TRACKS. REAR SUPPORTS ARE
	CONSTRUCTED USING PERFORATED ANGLES, HEX HEAD
	BOLTS/NUTS AND THEN THE MUST BE SECURELY
	ATTACHED TO SOUND FRAMING MEMBERS WITH LAG
	SCREWS. FOR DETAILED INFORMATION ON
	CONSTRUCTING/ SUPPORTING THE REAR SUPPORTS,
	REFER TO YOUR DOORS INSTALLATION INSTRUCTIONS
	AND OWNER’S MANUAL.

7/16” Wrench

Winding

Bolt

Lock Nut

Canoe Clip

7/16” Socket Driver

Power

Drill

Winding

Bolt

Counter

(Sample Setting)

Canoe Clip

NOTE: For 7’ high doors, 8’, 9’, 10’, 16’ or 18’ wide with windows, the recommended number of spring turns is 15.

RECOMMENDED SPRING TURNS

Door Height	Doors 11’-11”	Doors 12’ Wide or
	Wide or Less	Greater
6’-0”	13-1/2	14
6’-3”	14	14-1/2
6’-5”	14-1/2	15
6’-6”	14-1/2	15
6’-8”	15	15-1/2
6’-9”	15	15-1/2
7’-0”	15-1/2	16
7’-3”	16	16-1/2
7’-6”	16-1/2	17
7’-9”	17	17-1/2
8’-0”	17-1/2	18

20Please Do Not Return This Product To The Store. Call Us Directly! Our Trained Technicians Will Answer Your Questions and/or Ship Any Parts You May Need.

You can reach us Toll Free at 1-888-827-3667 for Consumer Assistance or online at www.wayne-dalton.com