SERVICE 5-18 Manual 0-4669
5.05 Rear Panel Parts Replacement
WARNING
Disconnect primary power from the source before opening or disassembling the power supply.
A. Filter/Regulator Assembly Replacement
WARNING
Disconnect the gas supply at the source and bleed down the system before attempting this procedure.
1. Disconnect the gas input hose from the Filter/Regulator Assembly on the Rear Panel of the unit.
2. Remove the four bolts securing the Regulator Mounting Bracket to the Rear Panel.
3. Disconnect the black gas tube from the Filter/Regulator Assembly Adapter Fitting. Hold a wrench or similar tool against
the locking ring on the Fitting and pull on the tube to release it.
4. Remove the nut securing the Filter/Regulator Assembly to the Regulator Mounting Bracket. Remove the Filter-Regulator
Assembly from the Mounting Bracket.
5. Install the replacement Filter/Regulator Assembly by reversing the steps above. When connecting the gas tube to the
Adapter Fitting, simply insert the hose into the fitting until fully seated and it will automatically lock.
B. Filter/Regulator Bracket Replacement
1. Remove the four bolts securing the Regulator Bracket to the Rear Panel.
2. Remove the nut securing the Filter/Regulator Assembly to the Regulator Bracket. Remove the Bracket from the Filter-
Regulator Assembly.
3. Install the replacement Bracket by reversing the above steps.
C. Input Power Cable Replacement
1. Remove the cover per subsection 5.02-A.
2. Locate and label the input power cable connections and disconnect the cable.
3. Unthread the retaining nut on the Input Cable Strain Relief on the inside of the Rear Panel and remove the Input Power
Cable from the unit.
4. Install the replacement Input Power Cable by reversing the above steps. The Input Power Cable ground wire requires a
ring terminal.
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