SlideDriver Addendum D0395 Rev. E Page 1
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Round-head bolts:
⅜" (9.5mm)
Must be fully
tightened and
flush before
adjusting Limit
Switch.
Drive Rail
Standard Limit Ramp
Nut
Limit Switch
4"
10 cm)
Manual addenduM
50VF-series slow down liMit raMps & GrooVed driVe rail
• The standard limit ramp is positioned
on the drive rail so it will make contact
with the limit switch and stop approxi-
mately 2-inches (51cm) from the drive
wheel.
• Limit ramps are attached to the under-
side of the drive rail when the gate is
fully open and fully closed.
• Two truss head screws secure each limit
ramp to the drive rail. The bolts are
spaced about 4-inches (10cm) apart.
• The limit switch must be set ⅜-inch (9.5mm) from the base of the drive rail. A screw on the limit switch allows for slight adjust-
ments in height.
Slow Down Limit Ramp Kit MX3043*
The Slow Down Limit Ramp Kit (MX3043) replaces 50VF-series limit ramp kits:
MX000669, MX001335
All the limit ramps are now the same length.
* MX3043 contains one slow down limit ramp with fasteners. For a 50VF-series
SlideDriver, you will need to order four (4) Slow Down Limit Ramp Kits.
CAUTION
Be sure to securely fasten all six limit ramps to the underside
of the drive rail when installing a 50VF-series operator.
Limit Ramp
Roller
Chassis
cutout
Limit Ramp
U-bolt
Support Post
2" (51mm)
Drive
Wheel
Actuating Arm
(Tripped position)
⅜" (9.5mm)
Spacing (approximate)
Roller
Height
Adjusting
Screw
Actuating Arm
(Normal position)
Base of Drive Rail
Limit Ramp
enters
chassis cutout
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