Install Trolley; Fasten T-Rail To Opener - Chamberlain SECURITY+ 6200 Owner's Manual

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
5/16"
Trolley
Temporary Stop
Screwdriver
Outer Nut
5/16"
Trolley
Assembly Step 3
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.
Temporary Stop
• Remove the (2) 5/16"-18x1/2" washered screws
Screwdriver
mounted in the top of the opener.
Lock Washer
• Align the holes in the back section of the T-rail with 5/16"
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
Hex Screw
5/16" - 18 x 7/8"

Install Trolley

Chamberlain 92
Inner Nut
8/22/90 - 3/6/92
5/16"
Trolley
Threaded
Shaft
Inner Nut
5/16"
Lock Washer
5/16"
Trolley
Threaded
Shaft
Nut
5/16" - 18
Lock washer
Nut
5/16"
5/16"-18
Hardware Shown
Actual Size
Lock Washer
5/16"
• As a temporary stop, insert a screwdriver into the
Washered Screw
hole in the front end of the T-rail.
5/16"-18x1/2"
• Slide the trolley assembly along the rail to the
Hex Screw
screwdriver stop.
5/16"-18x7/8"
Hex Screw
5/16" - 18 x 7/8"
If trolley hits against any nuts on the T-rail, the Cover
Protection
bolts and nuts were attached from the wrong
Bolt Hole
side and must be repositioned. Review Step 1.
T-Rail
(Back Section)
Lock Washer
5/16"
Nut
5/16"-18
Use only those screws mounted in the top of the
opener. Any other screws will cause serious
damage to the opener.
Washered Screw
5/16"-18x1/2"
Hex Screw
5/16"-18x7/8"
Cover
Protection
Bolt Hole
T-Rail
(Back Section)
Lock Washer
5/16"
Nut
5/16"-18
9
Nut
Trolley
5/16" - 18
WARNING
Trolley
USE ONLY THIS
TYPE AND SIZE
SCREW
Nut Lock washer
5/16"
5/16"-18
CAUTION
USE ONLY THIS
TYPE AND SIZE
SCREW