ETI NETCOM ADH Assembly Replacement Procedure page 3

AC POWER SUPPLY MODULE REMOVAL AND
REPLACEMENT
To replace the AC Power Supply Module (23450) in an ADH
NETCOM with AC power, perform the steps below. Refer to
Figure 1.
Air Drying Canister #2
(reference)
AC Power Supply
Module
Figure 1. THE ADH NETCOM AUTOMATIC AIR DEHYDRATOR AC POWER SUPPLY MODULE.
1. Shut off machine power by placing power switch in the OFF
(O) position. With the power switch in the off position,
unplug the power cord. If possible, move the dehydrator to
a work table.
2. Remove both top machine panels. Retain the mounting
hardware.
3. Disconnect the two wires (red and black) running from the
AC power supply module to the terminal block on the PC
board. Refer to Figure 2. Using a small screwdriver, press in
on the orange release tab under the lead then gently
remove the lead. Repeat for the other lead.
Leads from AC Power
Supply Module
Figure 2. THE PC BOARD TERMINAL BLOCK.
MODEL ADH
3
4. Using a needle nose pliers, carefully disconnect the three
leads (white, black, and green/yellow) running from the AC
power supply module to the back of the power filter
module. Refer to Figure 3. To avoid damaging the leads,
hold the leads by the spade lugs, not by the wires.
Leads from AC Power
Supply Module
Figure 3. THE POWER FILTER MODULE TERMINALS.
5. Using the 5/16" nut driver, loosen and remove the two nuts
and lock washers securing the existing AC power supply
module to the chassis. Refer to Figure 4. Retain the
mounting hardware.
6. Once all five AC power supply module leads have been
disconnected and the mounting hardware removed, take
the existing AC power supply module out of the dehydrator.
7. Install the new AC power supply module in the same place
from which the original module was removed. Secure the
module in place using the two nuts and lock washers
removed in step 5. Torque to 5.5 in/lb.
8. Install the set of three leads (white, black, yellow/green) to
the terminals from which the original leads were
disconnected on the back of the power filter module in step
4. Connect them as the similar colored leads had been
connected originally: the black lead on the left, the white
lead on the right, and the yellow/ green lead in the middle.
9. Connect the set of two leads (red and black) to the same PC
board terminal block locations from which the original
leads were disconnected in step 3. Connect them as the
similar colored leads had been connected originally: the
black lead on the left and the red lead on the right.
10. Reinstall the machine top panels using the hardware
removed in step 2.
11. Restore machine power.
AC POWER SUPPLY MODULE REPLACEMENT PROCEDURE | PART NO.
AC POWER SUPPLY MODULE
REPLACEMENT PROCEDURE
24106 REV B.0