Model H1301 Recovery and Recycling System
Installation, Operation and Maintenance Manual
Revision-L September, 2019
Page 56 of 105
VII. System Maintenance Procedures
I. Inlet Particulate Filter Element Replacement (continued)
21. Leak test the inlet particulate filter housing to filter head seal using leak detector fluid.
NOTE: Leaks in the inlet particulate filter may require new O-ring or backup ring
installation.
22. Close the nitrogen source.
23. Open then Close the Inlet Evacuation Valve MV-8 to release the nitrogen pressure
from the hose connection and the inlet section of the machine. Remove the nitrogen
connections from the machine.
24. Verify 0-psi indication on the front panel Inlet Pressure Gauge.
25. Close the Manual Inlet Valve MV-1.
26. Connect a vacuum pump and vacuum gauge to the Manual Inlet valve MV-1 or the
Inlet Evacuation Valve MV-8 of the machine. With the valve in the open position,
operate the pump to evacuate the inlet section of the machine to a 2500-micron
minimum vacuum level.
27. Close the Inlet valve of the machine. Discontinue evacuation and remove the vacuum
pump and vacuum gauge from the machine.
28. Open the Filter Maintenance Valve MV-2 previously closed.
29. Close and secure the filter maintenance access door of the control panel black hood.
30. Reconnect the main electrical power back to the machine.