3501 Actuator
INSTALLATION REFERENCE MANUAL
12
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MX4754 Rev. B ©2019
IMAGE 7-2:
INSTALL SECONDARY ARM TO PRIMARY ARM
IMAGE 7-3:
INSTALL ALUMINUM ADJUSTABLE ARM TO SECONDARY ARM
1/2”-13x2-1/4” HEX BOLT, BRASS
WASHERS, STEEL WASHERS, LOCK NUT
PRIMARY ARM
SECONDARY
ARM
SECONDARY
ARM
STOP TAB
NOTE:
Once limits are set and the board has been programmed, this aluminum arm can be adjusted to
fine tune the closed gate position.
1. Attach the secondary arm to the primary arm using a 1/2”-13x2-1/4” hex bolt, brass washers and
lock nut (see IMAGE 7-1). The stop tab should be positioned away from the gate.
2. Install the aluminum adjustable arm insert to the secondary arm using the 1/2” x 1-1/2” hex bolt
and nut (IMAGE 7-2). Use the middle hole in the arm insert to affix it within the secondary arm.
ADJUSTABLE
ALUMINUM
ARM INSERT
AFFIX USING
MIDDLE HOLE
1/2”-13x1-1/2”
HEX BOLT
1/2” HEX NUT
7: ASSEMBLE ARM ASSEMBLY (CONT.)
