Manual 0-2587
35
REPLACEMENT PROCEDURES
3. Remove the four screws securing the Air Line Regu-
lator Bracket to the Rear Panel.
4. Pull the bracket from the unit.
5. Install the replacement Air Line Regulator Bracket
by reversing the above procedure.
E. Air Line Regulator Replacement
1. Disconnect the gas input hose from the input of the
Air Line Regulator Assembly.
2. Remove the Right Side Panel per Section 5.04-C.
3. Disconnect the gas tube connected to the bottom of
the T-fitting at the Solenoid Valve Assembly.
4. Remove the Air Line Regulator Bracket per para-
graph 'D' above.
5. Pull the Air Line Regulator away from the Rear
Panel far enough to disconnect the plumbing joint
between the reducer and elbow fitting..
6. Remove the elbow fitting from the old assembly.
7. Install the replacement Air Line Regulator Assem-
bly by reversing the above procedure and noting
the following:
• Apply pipe thread sealant to the fitting before
reassembling.
5.09 Right Side Internal Component
Parts Replacement
NOTE
Refer to Section 6.08 for parts list and overall de-
tail drawing.
A. Pilot/Output PC Board Assembly
Replacement
1. Remove the Right Side Panel per Section 5.04-C.
NOTES
Before removing any connection mark each wire
with the connection designation. When reassem-
bling this makes sure the wires go to the proper
terminals.
Note the routing of wires and make sure the wires
are put back in the same place when reassembling
the unit.
2. Disconnect all the wiring connections to the Pilot/
Output PC Board Assembly.
3. Remove the four screws and washers securing the
PC Board to the standoffs.
4. Install the replacement Pilot/Output PC Board As-
sembly by reversing the above procedure.
B. CD PC Board Assembly Replacement
1. Remove the Right Side Panel per Section 5.04-C.
NOTES
Before removing any connection mark each wire
with the connection designation. When reassem-
bling this makes sure the wires go to the proper
terminals.
Note the routing of wires and make sure the wires
are put back in the same place when reassembling
the unit.
2. Disconnect all the wiring connections to the CD
PC Board Assembly.
3. Remove the four screws and washers securing the
PC Board to the standoffs.
4. Install the replacement CD PC Board Assembly by
reversing the above procedure.
C. Relay Replacement
1. Remove the Right Side Panel per Section 5.04-C.
NOTES
Before removing any connection mark each wire
with the connection designation. When reassem-
bling this makes sure the wires go to the proper
terminals.
Note the routing of wires and make sure the wires
are put back in the same place when reassembling
the unit.
2. Disconnect all the wiring connections to the Relay
Assembly.
3. Remove the two screws securing the Relay Assem-
bly to the Pilot Panel.
4. Install the replacement Relay Assembly by revers-
ing the above procedure.
D. Main Transformer Assembly Replacement
1. Remove the Left Side Panel per Section 5.04-B.
2. Remove the Right Side Panel per Section 5.04-C.
3. Remove the following terminal connections from
the two FET/Heatsink Assemblies noting the lo-
cation of each wire:
Summary of Contents for Thermal Dynamics PAK MASTER 50XL
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Page 16: ...INTRODUCTION 10 Manual 0 2587...
Page 45: ...Manual 0 2587 39 PARTS LISTS A 01381 2 1 3 4 5 2...
Page 47: ...Manual 0 2587 41 PARTS LISTS A 01065 1 2 3 4 5 6 7 8...
Page 49: ...Manual 0 2587 43 PARTS LISTS A 01382 2 4 1 3 5...
Page 53: ...Manual 0 2587 47 PARTS LISTS A 01068 1 6 2 14 12 16 10 15 9 8 7 3 5 5 4 13 17 11...
Page 55: ...Manual 0 2587 49 PARTS LISTS A 01383 14 6 2 11 13 15 7 12 3 8 10 9 4 1 5...
Page 72: ...APPENDIX 66 Manual 0 2587 APPENDIX XII SYSTEM SCHEMATIC A 01370 1 2 1 2...
Page 73: ...Manual 0 2587 67 APPENDIX A 01370 B EC 8055 HAS 11 23 98...
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