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Repair
Before Servi
cing
• Servicing the electrical control box exposes you
to high voltage. To avoid electric shock, turn off
power at the main circuit breaker before opening
the enclosure.
• All electrical wiring must be done by a qualified
electrician and comply with all local codes and
regulations.
• Do not substitute or modify system components
as this may impair intrinsic safety.
NOTICE
To avoid damaging the circuit boards when
servicing the control box, wear Part No. 112190
grounding strap on your wrist and ground
appropriately.
To avoid electrical component damage, remove all
system power before plugging any connectors.
1. Flush the system as explained in your
PD2K Operation Manual if service time
may exceed pot life time. Follow the
Pressure Relief Procedure, page 35 before
servicing fluid components.
2. Close the main air shutoff valve on the air supply
line.
3. Shut off the power switch (P) at the electrical
control box.
4. If servicing the electrical control box, shut off
power at the main circuit breaker before opening
the enclosure.
Figure 18 Control Box Power Switch
34 332709B