Installation step 12, Sectiqnai only, Connect door arm to trolley – Craftsman 139.53664SRT2 User Manual

Page 26: Hole alignment alternative

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Installation Step 12

Connect Door Arm to Trolley

Follow instructions which appiy to your door

type as iilustrated below and on page 27.

SeCTIQNAi Only

Make sure garage door is tully closed. Pull the emergency release handle to disconnect the outer troiiey

from the inner troiiey. Siide the outer trolley back (away from the door) about 2" as shown in

Figures 1, 2 and 3.

Figure 1;

Fasten straight door arm section to outer troiiey

with the 5/16"x1" 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"x1-1/4” 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.

Hole Alignment Alternative

Figure 3:

• 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

c/omr? as shown.

• Bring arm sections together,

• Find two pairs of holes that line up and join with

screws, lock washers and nuts.

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

26

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