Craftsman 139.53664SRT2 - Manual (Page 26)

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.
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