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© Quatro Air Technologies| JULY 2019 | All rights reserved |
Jet-Stream Tall Operation & Maintenance Manual
Motor Service and Replacement
Motor Service and Replacement
This unit is equipped with an Automatic Motor Optimization System . The system will prompt you when it is time to change
the motor brushes by illuminating LED 2 and beeping . (See
"Light Diagnostics Table (Rev 17 .0 and Higher)" on page
11
for details) . To avoid downtime, “Service Motor(s) LED will illuminate when motor is approximately 90% worn .
If you ignore the warning, the unit eventually will shut down to prevent damage . This will occur even if your Quatro system
is in mid operation. It is advised to effect replacement when prompted or ASAP to avoid a shutdown.
To optimize and ensure longest motor life, after replacement, start motor right away and reset the LED as per the
instructions provided later in this section . Speed will automatically default to LOW . Operating the motor at Low speed for
15 minutes will “break-in” the new motor, optimizing and prolonging its life .
Motor Access
1 . Unplug power cord and open motor access panel .
2 . Disconnect wiring to the motor at the Molex connector (A); cut zip ties .
3 . Remove the retaining nuts (B) and lock washers holding the motor assemblies .
4 . Lift off the motor retaining bracket (C) and remove the old motor.
NOTE:
Note the orientation of the bracket . THIS STEP IS PARTICULARLY IMPORTANT FOR Infinity MOTORS. If the
bracket is installed incorrectly it may result in a short to ground for the brush contacting the bracket . The curved brush
must be visible in the large cutout, as shown in photo above .
5 . Install the bracket on the new motor .
6 . Install the assembly back into the unit, connect the wires, and install new zip ties .
7 . Ensure motor access door is closed
8 . Plug power back to the unit .
9 . When you press “POWER”, MOTOR WILL START, “Service Motor(s)” Led stays SOLID .
The motor is accessed through the bottom panel .
•
Using a Phillips screwdriver, remove the screws along the
perimeter of the bottom panel, and lift off to expose the
motor compartment .
Motor Replacement
Refer to figure when performing this procedure.
CAUTION:
ALLOW MOTOR(S) TO COOL FOR 45 MINUTES BEFORE SERVICING .
WARNING:
Switch unit off and unplug power cord from wall before servicing the motor(s).
