Chamberlain HD930EV User Manual download pdf (Page 19)

Installation

STEP 9 Connect the door arm to the trolley

Installation will vary according to the garage door type. Follow the instructions which apply to your door.

OPTION A SECTIONAL DOORS

IMPORTANT: The groove on the straightdoor arm MUST face away from the curved door arm.

1. Close the door. Disconnect the trolley by pulling the emergency release handle.

2. Attach the straightdoor arm to the outer trolleyusing the clevis pin. Secure with the ring fastener.

3. Attach the curved door armto the door bracket using the clevispin. Secure with the ring fastener.

4. Bring arm sections together. Find two pairsof holesthatline up and join sections.Selectholes as

far apartas possible to increase door arm rigidity and attach using the bolts,nuts,and lock

washers.

5. Pull the emergencyrelease handle toward the garage door opener until the trolley release arm

is horizontal.The trolley will re-engage automatically when the garage door opener isactivated.

NOTE: If the holes in the curved door arm and the straight door arm do not align, reverse the straight

door arm, selecttwo holes (as far apart as possible) and attach using bolts , nuts, and lock washers . If the

straight door arm is hanging down too far, you may cut 6 inches (15 cm) from the solid end.

HARDWARE

Hex Bolt 5/16"-18x7/8"

Nut 5/16"-18

Lock Washer 5/16" -18

Clevis Pin 5/16"x1" Clevis Pin 5/16"x1-1/4"

Ring

Fastener

Straight

Door Arm

Curved

Door

Arm

(Groove

facing

out)

CORRECT

Straight

Door

Arm

Curved

Door

Arm

INCORRECT

Lock Washer

5/16" -18

Nut

5/16"-18

Hex Bolt 5/16"-18x7/8"

Clevis Pin 5/16"x1-1/4"

Ring Fastener

Clevis Pin

5/16"x1"

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Chamberlain HD930EV User Manual Page 19

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