D4-9 / D4-9X Four-Post Lifts 37 P/N 5900251 — Rev. A1— August 2021
Installing the Power Unit
This section describes how to
install
, but not make the connections to, the Power Unit for your Lift.
An Electrician is
not
needed to install the Power Unit.
Because the Top Caps are held in place on two sides of the Power Post, you can install the Power
Unit on either of those two sides. Most customers choose to install their Power Units on the end of the
Lift, as that is closer to the Safety Lock Release Handle.
⚠ DANGER Risk of explosion: The Power Unit has internal arcing or parts that may spark
and should not be exposed to flammable vapors. Never expose the Power Unit
motor to rain or other damp environments. Damage to the motor caused by water
is
not
covered by the warranty.
⚠ CAUTION The Power Unit is heavy. We recommend having one person hold the Power Unit
while another person secures it in place.
To install the Power Unit:
1. Determine which side of the Power Post you want to install the Power Unit.
2.
Starting with the Power Unit Holder
: At the top of the Post, remove the two Hex Head
Bolts (5530359) and Washers (5545347, 5545201) holding the Top Cap on the side you want the
Power Unit.
Note: You can leave in place the Top Cap Bolts on the other side.
3. Put the Power Unit Holder into place, with the holes in the Holder Plate going over the holes where
you just removed the Bolts and Washers at the top of the Post.
4. Replace the Hex Head Bolts and Washers, then securely tighten the Bolts.
Drawing not necessarily to scale. Not all components shown.
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