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VPL400-X: SECTION 5
INSTALLATION QUICK START
INSTALLATION TOWER
CHECKS
Before reinstalling the top cap and front panels,
an operational check should be completed on the
internal tower safety features.
Verify that the ACME drive screw is
lubricated.
Ensure all unnecessary jumpers are removed
from the Trailing Cable and AC Controller
connectors.
Verify that the shipping bolt was removed
from the cable tensioning pulley and that the
pulley is hanging in the tower without hitting
any obstacles during platform travel.
Apply temporary power.
Verify that the E-Stop is functional with no
lift movement.
Manually depress the final limit switch (the
highest positioned switch) and verify any
travel of platform is prevented.
Harness should be removed from the
trailing cable to simulate safety nut switch
activation.
Manually depress the safety nut switch (the
switch near ACME nut) and verify any travel
of platform is prevented.
While lowering the platform, lift the Safety
Pan under the platform to confirm it stops
travel in the Down direction. Travel in the
Up direction should not be affected.
Manually depress the Over-Speed Governor
(OSG) switch (the switch at the bottom
of ACME screw) and verify any travel of
platform is prevented.
If equipped, lift the float of the float switch
(the switch at the bottom of the tower) and
verify that DOWN travel is prevented.
Verify that open gates/door prevent
platform travel.
Verify that the manual lowering wrench is
in place and secured on the top plate with
wing nuts.
VPL400-X:
Install Manual
28
21JULY2023 | 630-00159 B
FINAL INSTALLATION
1. Install the front panel between the platform
and tower. Slots in the bottom of the front
panel should rest on the pins in the tower.
Install five (5) ¼"-20 screws and plastic
washers at the top front panel leaving the top
three (3) screws loose and ¼" offset from the
panel.
2. Disconnect the power to the lift. Slide the top
cap over the top of the tower aligning the top
cap slots with the four (4) side screws and
three (3) front screws. There are tabs in the
back of the top cap that drop into slots in the
tower top plate. These tabs must drop into the
slots for the top cap to sit down on all seven
(7) screws. Tighten seven (7) ¼"-20 screws
securely against the top cap. Reconnect the
power to the lift.
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