Sears 139.18847 Benutzerhandbuch
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.
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.
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.
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).
Keep a 2" minimum between the trolley and this
screw when adjusting travel limits (see page 28).
Temporary Stop
Screwdriver
Trolley
TO GARAGE DOOR
The Chamberlain Group, Inc.
Step 2 Install Trolley & Attach Chain Retainer Bracket
Sears Chassis
4/12/92
Step 2 Install Trolley & Attach Chain Retainer Bracket
Sears Chassis
4/12/92
Trolley
Threaded Shaft
Lock Washer
5/16"
Outer Nut
5/16"
Inner Nut
5/16"
Trolley
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"
Use Only This
Type and Size
Type and Size
Screw
9
• 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.
bolts and nuts were attached from the wrong
side and must be repositioned. Review Step 1.
Temporary Stop
Screwdriver
Trolley
TO GARAGE DOOR
The Chamberlain Group, Inc.
Step 2 Install Trolley & Attach Chain Retainer Bracket
Sears Chassis
4/12/92
Step 2 Install Trolley & Attach Chain Retainer Bracket
Sears Chassis
4/12/92
Trolley
Threaded Shaft
Lock Washer
5/16"
Outer Nut
5/16"
Inner Nut
5/16"
Trolley
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"
Use Only This
Type and Size
Type and Size
Screw
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.
in the top of the opener. Any other screws will
cause serious damage to the opener.
Lock Washer
5/16"
Nut
5/16"-18
Nut
5/16"-18
Lock Washer
5/16"
Hex Screw
5/16"-18x7/8"
Rondelle-frein
de 5/16 de po
Écrou de
5/16 de po-18
Écrou de
5/16 de po-18
Rondelle-frein
de 5/16 de po
Vis à tête hexagonale
de 5/16 de po-18x7/8 de po
Hardware Shown
Actual Size
Lock Washer
5/16"
Nut
5/16"-18
Nut
5/16"-18
Lock Washer
5/16"
Hex Screw
5/16"-18x7/8"
Rondelle-frein
de 5/16 de po
Écrou de
5/16 de po-18
Écrou de
5/16 de po-18
Rondelle-frein
de 5/16 de po
Vis à tête hexagonale
de 5/16 de po-18x7/8 de po
Hardware Shown Actual Size
WARNING
CAUTION
WARNING
AVERTISSEMENT
ATTENTION
AVERTISSEMENT
WARNING
AVERTISSEMENT