6
ASSEMBLY STEP 4
Assemble the Header Sleeve
• Insert carriage bolt head into the Pulley Bracket slot
and retain by pushing the pulley bracket back into the
rail.
• Install the carriage bolt thread through the header
s
leeve assembly.
• Install the flat washer and spring assembly onto the
carriage bolt, do not completely tighten onto thread.
• Slide header sleeve assembly onto front (header end)
of rail.
Flat Washer
Spring
Header Sleeve
Assembly
Carriage Bolt
Carriage Bolt
Header End
Pulley Bracket
Slot
Trolley
Release Arm
Rail Assembly
D
O
O
R
ASSEMBLY STEP 6
Attach the Rail to the Opener
• Holding belt out of the way.
• Slide the rail assembly onto shim bracket until rail
assembly is securely fastened to the opener.
• Wrap the belt around the belt pulley ensuring the belt
engages the teeth of the belt pulley.
Sh
i
m Bra
c
k
e
t
Bel
t
Pul
l
e
y
Rail Assembly
Belt
ASSEMBLY STEP 5
Attach the Trolley to the Rail
Assembly
• Slide outer trolley into the back (opener end) of the
rail assembly. Be sure the end with the trolley release
arm is heading in direction of opener. Slide outer
trolley down rail until it engages with inner trolley.
• Move the engaged trolley assembly to the midpoint of
the rail, then turn the rail assembly or one-piece rail
over ready to fasten to opener.
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