Lock Arm Installation

(Continued)

Once track radius has been determined, secure the lock arm to the motor with

(1) 5mm x .8mm phillips pan head screw.

NOTE: If unsure of track radius, begin with lock arm in position 1.

After assembly of the lock arm, manually raise and lower the door and verify that the lock arm does not interfere with the door. If there is interference between the door and the lock arm, see Page 42 for lock arm troubleshooting.

NOTE: Do not operate the door or opener if there is interference between the lock arm and the door.

Reconnect the door to the motor operated position. Activate a motor operated up/down cycle to confirm clearance.

P/N 335982

Lock Arm

Motor

 

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enabled

 

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Find out more:

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5mm x 8mm

Phillips

Pan Screw

28

Contact Obstruction Test

 

 

 

Tools Needed:

After installing the opener, the door must

2 x 4 Board

reverse when it contacts a 1-1/2” high

object (or a 2 x 4 board laid flat) on the

 

 

garage floor.

 

Using the wall station, activate the door

 

to the fully open position.

 

Place a 2 x 4 board flat on the garage

 

floor, under the door path.

 

Activate the door to the closed position

 

with the wall station. Upon contacting the

 

2 x 4 board, the door should stop, then

 

reverse direction within two seconds and

 

travel to the full open position.

 

If the door does not respond to the

 

required tests, repeat profile routine Step

 

24 or 25, making sure the door is in the

 

fully closed position prior to activation.

 

 

Center Of Door

2 x 4 Laid Flat

On Floor

WARNING

IF OPENER DOES NOT RESPOND PROPERLY TO THESE TESTS (STEPS

28 AND 29), DO NOT USE DOOR UNTIL A QUALIFIED SERVICE PERSON HAS MADE NECESSARY ADJUSTMENTS/REPAIRS, OR SEVERE OR FATAL INJURY COULD RESULT FROM OPERATING THE DOOR/OPENER.

PRE-OPERATION

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

Page 37
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Wayne-Dalton 3790-Z installation instructions Lock Arm Installation, Contact Obstruction Test