80
F238006
Section 5 Service Procedures
To reduce the risk of electrical shock, fire, explosion, serious injury or death:
• Disconnect electrical power to the washer-extractor before servicing it.
• Close the gas shut-off valve to the washer-extractor (when applicable) before servicing it.
• Never start the washer-extractor with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the washer-extractor is properly grounded.
W461R1
WARNING
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
31. AC DRIVE REMOVAL AND
INSTALLATION
The AC drive contains no user serviceable
components. An optional parameter unit is
available as a troubleshooting aid and to program
factory authorized changes into the drive control.
IMPORTANT: Never change the preset parameters
without consulting your distributor. Serious
permanent damage could result to the AC drive
and/or drive motor.
Removal and Installation
a. Turn off power to the machine.
b. Remove the two screws at the top rear edge of
the module top cover and slide the cover back
slightly until it can be removed. Remove the top
cover.
c. Loosen the screw that attaches the AC drive
partition to the control module. Remove the AC
drive partition. Refer to Figure 12.
d. Mark the control signal wires (the wires going
into the right side [facing the front of the
machine] of the AC drive). Loosen the screws
that connect the control signal wires to the AC
drive. Remove the control signal wires from the
AC drive. Refer to Figure 12.
e. Mark the power wires and the ground wire (the
wires going into the left side [facing the front of
the machine] of the AC drive). Loosen the
screws that connect the power wires and the
ground wire to the AC drive. Remove the
power wires and the ground wire from the AC
drive. Refer to Figure 12.
f. Remove the two screws on the left side of the
drive (facing the front of the machine) that
attach the AC drive to the control module.
g. Loosen the two screws on the right side of the
drive (facing the front of the machine) that
attach the AC drive to the control module.
h. Remove the AC drive.
i. Installation is the reverse of removal.
NOTE: It is recommended that the wiring be
reinstalled into the AC drive before the AC drive is
reinstalled into the control module.
Figure 12
PHM1942S
Control
Signal
Wires
AC Drive
Partition
Power Wires
and
Ground Wire