N
2
O Portable Monitor
Maintenance
Instruction 3015-4787
23
4.2 Internal Particulate / Hydrophobic Filter Replacement
Items Required:
•
Replacement filter (P/N 0007-1654)
•
Medium Phillips head screwdriver
Procedure:
1.
Disassemble the monitor’s metal chassis per Section 4.1.
2.
See illustration below and locate the internal particulate / hydrophobic filter.
3.
Pull off tubing from both ends of filter and remove filter from instrument.
4.
Attach tubing to new filter
5.
Reassemble monitor.