Trolley
Threaded
Shaft
Inner Nut
8mm
Lock
Washer
8mm
Spring
Trolley
Nut
Trolley
TO
GA
RA
GE
DO
OR
Temporary Stop
Screwdriver
9
ASSEMBLY STEP 3
Fasten the Rail to the Motor Unit
• Place the opener on packing material to protect
the cover. For convenience, put a support under
the cable pulley bracket.
• Remove the two 25mm washered screws mounted
in the top of the motor unit.
• Align the holes in the back section of the rail with
the holes in the motor unit.
• Fasten the rail with the two washered screws
previously removed. Tighten securely. Remember
to use only these screws! Any other screws
will cause serious damage to the opener.
• Insert a 8mm x 20mm hex screw into the cover
protection bolt hole in the rail as shown. Tighten
securely with a 8mm 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).
Washered Screw
25mm
USE ONLY THIS
TYPE AND SIZE
SCREW
Rail
(Back Section)
Cover
Protection
Bolt Hole
Nut
8mm
Hex Screw
8mm x 20mm
Lock Washer
8mm
Nut
8mm
Lock Washer
8mm
Hex Screw
8mm x 20mm
HARDWARE SHOWN ACTUAL SIZE
To avoid serious damage to opener, ONLY use screws
mounted in top of motor unit.
WARNING
CAUTION
WARNING
WARNING
ATTENTION
AVERTISSEMENT
AVERTISSEMENT
AVERTISSEMENT
Lock Washer
8mm
Nut
8mm
Spring /Trolley Nut
HARDWARE SHOWN ACTUAL SIZE
ASSEMBLY STEP 2
Install the Trolley
• Attach the trolley 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.
NOTE: If trolley hits against any nuts on the rail,
the bolts and nuts were attached from the wrong
side and must be repositioned. Review Assembly
Step 1.
114A2558F