Wayne-Dalton 3790-Z installation instructions Retro-FitTorqueMaster, Retro-FitInstallation

Models: 3790-Z 3790

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Retro-Fit TorqueMaster®

Retro-Fit TorqueMaster®

 

 

 

 

 

R1

Retro-Fit Installation

Drum

 

 

 

®

 

 

 

 

 

 

Wrap

 

 

 

 

 

Spring Tension Removal

 

 

 

 

TORQUEMASTER

Tools Needed:

Counterbalance spring tension must be

 

 

 

 

7/16" Wrench

relieved before removing any hardware.

 

Cable

 

 

 

WARNING

 

Drum

 

 

 

Power Drill

 

 

 

7/16”

 

7/16"

A POWERFUL SPRING RELEASING ITS

 

 

 

Wrench

 

 

 

 

 

 

ENERGY SUDDENLY CAN CAUSE SEVERE,

 

 

 

 

 

Socket Driver

 

 

 

Lock Nut

-FIT

EVEN FATAL INJURY.

 

 

 

Step Ladder

Counter

 

 

 

 

 

 

 

NOTE: Warning tag removed for illustration

Balance

 

 

 

 

 

 

 

RETRO

 

clarity.

Cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Place door in the fully closed position and

 

 

 

Winding

 

 

remove drum wraps from cable drums (if

 

 

7/16”

 

 

 

 

Bolt

 

 

installed).

 

 

Socket Driver

 

 

 

 

 

 

 

 

 

 

 

 

 

Using a 7/16" wrench, loosen lock nut on

 

 

Power

 

 

 

the back of the end bracket. Using a power

 

 

Drill

 

 

 

 

 

 

 

 

 

drill (high torque/gear reduced to 1300 RPM

 

 

 

 

 

 

preferred), with a 7/16" socket driver,

 

 

 

 

 

 

unwind the right hand winding bolt counter

 

 

 

 

 

 

clockwise until the counter cover shows “0”

 

 

 

End Brackets

 

 

(zero). If the door has two springs, repeat

 

 

 

(Metal)

 

 

 

 

 

Worm

 

 

this process for the left hand side.

 

 

 

Gear

 

 

NOTE: A door with only one spring will not

 

 

 

 

 

 

have a counter assembly on the left hand

 

 

 

 

 

 

side.

 

 

 

 

 

 

NOTE: Spring(s) is/are fully unwound when

 

 

 

 

 

 

counterbalance cables have no tension.

 

 

 

 

 

 

CAUTION: DO NOT USE AN IMPACT GUN

 

 

 

 

 

 

TO UNWIND THE SPRINGS!

 

 

 

 

 

 

NOTE: It is recommended that cable drums

 

 

 

 

 

 

and end bracket assemblies get updated to

 

 

Winding

 

 

 

current designs for optimal performance.

 

 

 

 

 

current end brackets are made of metal

 

 

Bolt

 

 

 

 

 

 

 

 

 

instead of plastic, and counter cover and

 

 

 

 

 

 

worm gears are made of grey plastic, instead

 

 

 

 

 

 

of black and white plastic. If new parts are

 

 

 

Counter

 

 

required, contact Wayne-Dalton customer

 

 

 

 

 

 

 

 

Cover

 

 

service.

 

 

 

 

 

R2

Right Hand Counter Removal

 

 

 

End Brackets

 

 

 

 

(Metal)

 

 

 

 

Counter

 

 

 

 

 

 

Gear

 

Tools Needed:

IMPORTANT! RIGHT AND LEFT HAND IS

 

 

 

 

 

Flat Tip

ALWAYS DETERMINED FROM INSIDE THE

 

 

 

 

 

GARAGE LOOKING OUT.

 

 

 

 

 

Screwdriver

 

 

 

Counter

 

Remove the counter cover. Slide a flat tip

 

 

 

 

Step Ladder

Flat Tip

 

 

Cover

 

screwdriver between the end bracket and

 

 

 

 

 

Screwdriver

 

 

 

 

 

the counter gear.

 

 

 

 

 

Gently pull the counter gear away from the end bracket. If the door has two springs, repeat this process for the opposite side.

Please 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. 3 You can reach us Toll Free at 1-888-827-3667 for Consumer Assistance or online at www.wayne-dalton.com

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Wayne-Dalton 3790-Z installation instructions Retro-FitTorqueMaster, Retro-FitInstallation