Thermal Dynamics PAK Master 150XL, Руководство по обслуживанию

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REPLACEMENT PROCEDURES 5-18 Manual 0-2728
3. Remove the four screws securing the Regulator
to the Rear Panel.
4. Pull the Air Line Regulator away from the Rear
Panel far enough to disconnect the plumbing joint
between the Reducer and Elbow Fitting.
5. Remove the Regulator from the 2 inch brass nipple
connected to the Solenoid Assembly.
6. Remove the elbow fitting from the old assembly.
7. Install the replacement Air Line Regulator Assem-
bly by reversing the above procedure, keeping in
mind the following:
• Apply pipe thread sealant to the fitting before
reassembling.
G. EMC Filter Replacement
1. Remove the Left Side Panel of the Power Supply
per Section 5.04-A.
2. Loosen the two screws holding the strain relief to
the input power cable.
3. Remove the six screws securing the EMC Filter
Assembly Cover to the Filter Assembly.
EMC
Filter
Cover
EMC
Filter
Panel
A-02388
Strain
Relief
4. Slide the Filter Cover and Strain Relief back along
the input power cable to gain access to the inside
of the Filter Assembly.
5. Remove the five screws securing the Filter Side
Panel to the EMC Filter Assembly and remove the
panel. This will make it easier to remove wiring.
6. Note how the nomex shield is installed around
the Filter Assembly, then unwrap the shield from
around the Filter Assembly.
7. Note the location of the four wires connected to
the top of the EMC Filter Assembly. Disconnect
the four wires from the Filter Assembly.
A-02389
Nomex
Shield
EMC
Filter
EMC Filter
Panel
EMC Filter
Base
8. Note the location of the four wires connected to
the bottom of the EMC Filter Assembly. Discon-
nect the four wires from the Filter Assembly.
9. From inside the Power Supply remove the four
screws securing the Filter Assembly to the EMC
Filter Base. There are four clearance holes in the
Rear Panel that allow access to these screws.
A-02390
EMC
Filter
Nomex
Shield
Filter
Base
Rear
Panel
10. Install the replacement EMC Filter Assembly by
reversing the above procedure, noting the follow-
ing:
• Wrap the nomex shield around the Filter As-
sembly, overlapping the edges away from the
Rear Panel of the Power Supply.
• The nomex shield must extend above and be-
low the EMC Filter so that the wiring connec-
tions are covered.
• All wiring connections must be secure.
NOTE
The shield paper must cover the wire connections
at both ends of the EMC Filter to prevent possible
arcing between the Filter and the sheet metal.