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Mighty Mule 352
27
1
ON
2 3 4
15
CHARGING
POWER
STATUS
RF
PULL-PUSH
MODE1
MODE2
LOCK/BEACON
OFF 120
MIN MAX
STALL FORCE
CLOSE TIME
SET
LIMIT
LEARN
REMOTE
AUX OUT
SOLAR
PANEL
18VAC
RECR
GRN
BLK
RED
EXIT
SAFETY
EDGE
CYCLE
COMMON
LINK
OFF 120
CLOSE TIME
1
ON
2 3 4
RF
PULL-PUSH
MODE1
MODE2
LOCK/BEACON
OFF 120
MIN MAX
STALL FORCE
CLOSE TIME
SET
LIMIT
LEARN
REMOTE
RECR
GRN
BLK
RED
SAFETY
EDGE
CYCLE
COMMON
MIN MAX
STALL FORCE
15
STAT
MIN
MAX
STALL FORCE
SET
LIMI
ALWAYS KEEP SAFETY AT THE TOP OF YOUR LIST WHEN ADJUSTING OR
SERVICING YOUR AUTOMATIC GATE OPENER!
IMPORTANT: For safety reasons the obstruc-
tion setting or Stall Force on the Mighty Mule®
352 control board comes from the factory set at
MIN (minimum). In many gate installations this
setting will need to be adjusted to overcome the
weight and size of the gates.
The Stall Force potentiometer on the con-
trol board operates like a volume control on a
radio. It controls the obstruction sensitivity (or
the amount of force the opener will apply to an
obstruction) before it automatically stops and
reverses direction for approximately two (2)
seconds.
Use a small slotted screwdriver to turn the arrow
in the center of the potentiometer. Adjust the
sensitivity from the MINIMUM position where the
gate operates without obstructing from its own
weight or the wind conditions in your area.
NOTE: You may need to increase the
stall force in cold weather due to increased
resistance from gate hinges.
Setting Auto-Close Time
MASTER ARM CONTROL BOARD ONLY
CLOSE TIME (auto close timer): Determines how long
the gate will remain open before it automatically closes.
The limits are OFF to 120 seconds. The factory setting
is the OFF position.
Note: Gate will NOT automatically close unless both
gates are at the fully open position regardless of the
auto-close timer setting.
Stall Force Potentiometer Setting
MASTER
Control Board
SECOND
Control Board