Installation Step 12

Connect Door Arm to Trolley

Follow instructions which apply to your door type as illustrated be ow and on page 27.

! SEC_!ONA_ DoorS Oniy :I

Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolley. Slide the outer trolley back (away from the door) about 2" as shown in

Figures I, 2 and 3.

Figure 1:

Fasten straight door arm section to outer trolley with the 5/16"xl" clevis pin. Secure the connection with a ring fastener.

Fasten curved door arm to the door bracket in the

same way, using the 5/16"xl-l/4" clevis pin.

Figure 2:

Bring arm sections together. Find two pairs of holes that line up and join sections. Select holes as far apart as possible to increase door arm rigidity.

InnerTrol_y

5/16"x1"

Door Arm

Curved

Emergency

Release

Handle

Screws 5/1 6"- 1Bx7/B"

Clovis

Pin

Door Arm

Figure 1

5/16"xl

-1/4'

 

 

Hole Alignment

Figure 3:

Door Bracket

Alternative

Figure 2

If holes in curved arm are above holes in straight arm, disconnect straight arm. Cut about 6" from

the solid end. Reconnect to trolley with cut end down as shown.

Bring arm sections together.

Find two pairs of holes that line up and join with screws, lock washers and nuts.

Lock

Washers 5/1 6"

5/16'-15

Hardware Shown Actual Size

Screws

I o_/_ C_tThi_

Figure 3

Nut 5/16'

18

LockWasher

5/16'

er

G

Clovis

Pin

Clevis Pin

Hex

Screw

5/16"

x 1" (Trolley)

5116"x1-114" (Door Bracket)

5/16"-

18 x 7/8"

Proceed to Adjustment Step 1, page 28. Trolley will re-engage automatically when the opener is operated.

26

Page 26
Image 26
Craftsman 139.53648SRT2, 139.53834SRT3 Connect Door Arm to Trolley, SEC!ONA DoorS Oniy, Hole Alignment, Alternative

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