Instructions / Assembly

Assembly

STEP 5 Tighten the belt

1. By hand, thread the spring trolley nuton the threaded shaftuntil itis finger tightagainstthe

trolley.Do notuse any tools. Remove the screwdriver.

2. Insert a flathead screwdriver tip into one of the nutring slots and brace it firmly against the

trolley.

3. Tighten the spring trolley nutwith an adjustable wrench or a 7/16" open end wrench about a

quarter turn until the spring releasesand snaps the nutring againstthe trolley. This sets the

spring to optimumbelt tension.

Spring

Trolley Nut

Nut Ring Slot

Nut RingNut Ring

AFTER

1-1/4" (3.18 cm)

BEFORE

1" (2.5 cm)

STEP 6 Install the sprocket cover

To avoid possible SERIOUS INJURY to finger frommoving garage door opener:

l ALWAYS keep hand clear of sprocketwhile operating opener.

l Securelyattach sprocket cover BEFORE operating.

1. Position the sprocketcover over the sprocket as shown and fasten to the mounting plate with

8x3/8" hex screwsprovided.

Youhave now finished assembling yourgarage dooropener.Please read the following warnings

before proceeding to the installationsection.

Hex Screw #8x3/8"

(Packed with the sprocket cover)

HARDWARE

Hex Screw #8x3/8"

Sprocket Cover