Craftsman 139.53647SRT1 Manuel du propriétaire télécharger pdf (Page 9)

Assembly Step 2

Install the Trolley on the T-rail

• 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"-18x1/2" 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).

Use Only This

Type and Size

Screw

Washered Screw

5/16"-18x1/2"

T-rail

(Back Section)

Cover

Protection

Bolt Hole

Nut

5/16"-18

Hex Screw

5/16"-18x7/8"

Lock Washer

5/16"

• Attach the threaded shaft to the trolley with the

lock washer and nuts as shown.

• 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.

Temporary Stop

Screwdriver

Trolley

TO GARAGE DOOR

Trolley

Threaded Shaft

Lock Washer

5/16"

Outer Nut

5/16"

Inner Nut

5/16"

Trolley

Assembly Step 3

Fasten the T-rail to the Opener

To fasten rail, use only those screws mounted

in the top of the opener. Any other screws will

cause serious damage to the opener.

Lock Washer

5/16"

Nut

5/16"-18

Hardware Shown

Actual Size

Nut

5/16"

Lock Washer

5/16"

Hex Screw

5/16"-18x7/8"

Hardware Shown Actual Size

WARNING

CAUTION

WARNING

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 39 40

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Craftsman 139.53647SRT1 Manuel du propriétaire Page 9

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