Thermal Dynamics PakMaster 75XL Plus, Руководство по эксплуатации

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Manual 0-2746 5-1 SERVICE
SECTION 5:
SERVICE
5.01 Introduction
This section describes basic maintenance procedures per-
formable by operating personnel. No other adjustments
or repairs are to be attempted by other than properly
trained personnel.
For major troubleshooting and parts replacement proce-
dures refer to PAK Master 75XL Plus Power Supply Ser-
vice Manual 0-2747.
5.02 General Maintenance
WARNING
Disconnect primary power to the system before dis-
assembling the torch, leads, or power supply.
A. General Maintenance
To clean the unit, open the enclosure (refer to Section 5.05-
A, Opening Enclosure) and use a vacuum cleaner to re-
move any accumulated dirt and dust. The unit should
also be wiped clean. If necessary, solvents recommended
for cleaning electrical apparatus may be used.
Refer to Appendix 3, Maintenance Schedule, for specific
procedures.
B. Filter / Regulator Element Replacement
The Filter / Regulator Assembly is on the rear panel. For
better system performance, the Filter / Regulator Assem-
bly filter element should be checked per the Maintenance
Schedule, and either cleaned or replaced.
1. Remove power from the power supply; turn off
the gas supply and bleed the system.
2. Unscrew the bowl on the bottom of the Filter /
Regulator Assembly. The filter element will be
visible and still attached to the main body of the
Filter Regulator.
3. Grasp the filter element and unscrew it from the
Filter / Regulator body. The filter element will
come off with a spool and some additional pieces.
4. Note the correct assembly of the filter / spool then
remove the filter from the spool and either clean
it or replace it. See Section 6 for catalog number.
5. The filter element and spool, with the baffle ring
in place (teeth facing downward) can be screwed
back into the Regulator body by compressing the
spring on the spool. Tighten firmly by hand.
Regulator/Filter
Assembly
Spool
Bowl
Spring
Filter
Element
Baffle
Ring
A-02988
Figure 5-1 Filter / Regulator Element Replacement
6. Reinstall the bowl.
7. Turn on the air supply.
C. Optional Single - Stage Air Filter Element
Replacement
NOTE
The XL PLUS Power Supply shuts down automati-
cally when the Filter Element becomes completely
saturated. The Filter Element can be removed from
its housing, dried out, and reused. Allow 24 hours
for Element to dry.
1. Remove power from power supply.
2. Shut off air supply and bleed down system be-
fore disassembly to change Filter Element. See
Section 6 for replacement element catalog num-
ber.