Merlin MT3850EVO - Installation: Rail and Opener Connection; Attach Rail to Header

10
Header
Bracket
Belt Pulley
Bracket
Foam
Packaging
Header Wall
Garage
Door
Ring
Fastener
Header
Bracket
Rail
Ring
Fastener
Clevis Pin
Clevis Pin
Trolley
INSTALLATION STEP 3
Attach the Rail to the Header Bracket
• Position the opener on the garage floor below the
header bracket. Use foam packing material as a
protective base.
N
OTE: If the door spring is in the way you’ll need
help. Have someone hold the opener securely
on a temporary support to allow the rail to clear
the spring.
• Position the rail bracket against the header bracket.
• Align the bracket holes and join with either the single
long clevis pin or the two small clevis pins as shown
Figure 1.
NOTE: Small Clevis Pin should be used if the
carriage bolt is in the way.
• Insert the ring fasteners to secure.
S
mall Clevis Pin X 2
Ring Fastener X 2
Long Clevis Pin x 1 (95mm)
HARDWARE
Figure 1