MDS-6 Mid-Rise Scissor Lifts
52
P/N 5900030 — Rev. D — April 2021
Connect and Prepare the Power Unit
The Power Unit comes assembled from the factory. You need to attach it to the back of the Console
Assemble and Anchor the Console
) and then connect it properly, described in this
section.
The standard Power Unit for your Lift is 230 VAC 1Ph. at 50/60 Hz, or 208-230 VAC at 60 Hz, 1 Ph.
⚠
DANGER
All wiring
must
be performed by a licensed, certified Electrician. If someone who is
not a certified Electrician attempts these tasks, they could be electrocuted, resulting
in serious injury or death.
Refer to
⚠
CAUTION
The Power Unit’s motor is
not
thermally protected.
The Power Unit has multiple connections:
•
Hydraulic System
. The Medium Hydraulic Hose connects one of the two Hydraulic Power Out
ports on the Power Unit to the Flow Divider (and eventually to the Hydraulic Cylinders). Connected
earlier.
•
Return Line
. Takes Hydraulic Fluid from the Hydraulic Cylinders and returns it to the Reservoir.
Connected earlier.
•
Power Source
. The Power Unit connects to an incoming power source.
•
Controls
. The Power Unit connects to the controls on the top of the Console (the Raise and
Lower buttons).
To connect and prepare the Power Unit
:
1.
Remove the front cover of the Console if it is currently in place.
2.
For the Raise and Lower buttons on the Console, the wiring comes from the factory connected to
the appropriate button. Simply connect them mechanically to the Console.
3.
For the connection to the Hydraulic System, the Power Unit should already be connected to the
IN
connector on the Flow Divider via the Medium Hydraulic Hose.
If it is not
, attach an Elbow Hydraulic Fitting to a Hydraulic Power Out connector on the Power
Unit, connect the Medium Hydraulic Hose to this Elbow Hydraulic Fitting, and then connect the
other end of the Medium Hydraulic Hose to the
IN
(input) connector on the Flow Divider.
4.
For the Return Line, the Return Line should already be connected to one of the two Return Line
Ports on the Power Unit and the tops of the Hydraulic Cylinders on the Lift.
If it is not
5.
For the power source, the Electrician needs to locate the Pigtail coming out of the Electrical Box,
open the Electrical Box, remove the Pigtail, and then wire a power cord (with appropriate plug)
inside
the Electrical Box.
This power cord and plug are
not
supplied with the Lift.
Refer to
for proper wiring information.
Summary of Contents for MDS-6EXT
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