Model H1301 Recovery and Recycling System
Installation, Operation and Maintenance Manual
Revision-L September, 2019
Page 63 of 105
VII. System Maintenance Procedures
K. Complete Machine Evacuation (continued)
7. Filter Replacement (continued)
r. Remove the vacuum pump and vacuum gauge from the AV-4 access valve.
s. Adjust the pressure of the nitrogen source to provide low pressures between 5 and
10 psi.
t. Connect the low-pressure nitrogen source to the AV-4 access valve and pressurize
the filter section from 5 to 10 psi.
u. Close and remove the nitrogen source from the AV-4 access valve and install the
cap back to the access valve.
8. Process Tank Evacuation
a. Remove the lower-left panel of the machine by loosening the four captive screws at
each corner of the panel. This is the panel on the outlet valve side of the machine.
b. Remove the valve cap from the AV-5 Access Valve. Refer to figure-13.
Figure-13