Fasten Rail To Power Unit; Install The Trolley - Craftsman 139.53963SRT Owner's Manual

I ssembly Step 2 I
Fasten the Rad To the Power Unit
and Install the Trolley
NOTE: To aid in assembly and installation, replace
the foam packing around the power unit. Remove It
after Installation Step 5.
• Working on a level surface, align the rail assembly with
the power unit, as shown.
• Slip the coupling over the rail sprocket. •,
• Slide the rail through the power unit bracket until the
coupling fits securely over the power unit sprocket.
J
• Align the two screw holes in the rall with those in the
power unit bracket. Insert two 1/4"-20x5/8" hex screws
and lock nuts. Tighten securely with a 7/16" socket
wrench.
Power
Unit
Lock Nuts
1/4o-20
Rail/Power Unit
Bmda_
Power U n_
Sprocket
Hex Screws
114"-20x5/8"
Foam Packaging
Trolley
Hardware Shown Actual Size
1/4" -20
1/4" - 20 x 5,'8" Lock Nut
As illustrated above, slide the trolley onto anc'l a long the
bottom of the rail until it snaps firmly in place. Be certain
to install it faclng correctly: the trolley release arm must
be horizontal (Iock pasition), with its arrow pointed
away from the power unit.
10