Sears 139.53535SRT1 Assembly Step, install the Trolley on the T-rail, Hardware Shown

Assembly Step 2

install the Trolley on the T-rail

*Attach the threaded shaft to the trolley with the lock washer and nuts as shown.

Lock Washer 5/16"

Outer Nut

Trolley

Threaded Shaft

Inner Nut

5/16"

Trolley

Hardware Shown

Actual Size

	©
Lock Washer	Nut
5/16"	5/16"-18

Temporary Stop

Screwd river

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*As a temporary stop, insert a screwdriver into the hole in the front end of the T-rail.

,Slide the trolley assembly along the rail to the screwdriver stop.

if trolley hits against any nuts on the T-rail, the bolts and nuts were attached from the wrong side and must be repositioned. Review Step 1.

Assembly Step 3 I

Fasten the T-rail to the Opener

Place the opener on packing material to protect the cover. For convenience, put a support under the cable pulley bracket.

*Remove the (2) 5/16"-18xl/2" washered screws mounted in the top of the opener.

*Align the holes in the back section of the T-rail with the holes in the opener.

*Fasten the rail with the (2) washered screws previously removed. Tighten securely.

Remember to use only these screws! Any other screws will cause serious damage to the opener.

*Insert a 5/16"-18x7/8" hex screw into the cover protection bolt hole in the T-rail as shown. Tighten securely with a 5/16" lock washer and nut.

NOTE: This screw prevents trolley over-travel. Keep a 2" minimum between the trolley and this screw when adjusting travel limits (see page 28).

Hardware Shown Actual Size

Washered Screw 5/16"-18xl/2"

Hex Screw 5/16"-18x7/8"

Cover

Protection

Bolt Hole

T-rait

(Back Section)

Lock Washer .f'_'4_ 5/16"

5/16"-18

Hex Screw	Nut	Lock Washer
5/16"-18x7/8"	5/16"	5/16"

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