Model H1301 Recovery and Recycling System
Installation, Operation and Maintenance Manual
Revision-L September, 2019
Page 64 of 105
VII. System Maintenance Procedures
K. Complete Machine Evacuation
8. Process Tank Evacuation (continued)
c. Connect a vacuum pump and vacuum gauge to the AV-5 access valve. Operate
the pump to evacuate the process tank to a 1000-micron minimum vacuum level.
This may require several hours of run time depending on the moisture levels inside
the process tank.
NOTE: The access valve end of the interconnection plumbing must contain a valve
core depressor.
d. Remove the vacuum pump and vacuum gauge from the AV-5 access valve.
e. Adjust the pressure of the nitrogen source to provide low pressures between 5 and
10 psi.
f. Connect the low-pressure nitrogen source to the AV-5 access valve and pressurize
the process tank from 5 to 10 psi.
g. Close and remove the nitrogen source from the AV-5 access valve and install the
cap back to the access valve.
h. Install the lower-left side panel back to the machine.
i. Connect main electrical power to the machine.
j. Perform Section-V.B: Initial System Start-Up Procedure.