HS-04 Operator’s Manual Chapter 6: Maintenance • 75
8. The humidity filter sits in the middle of a black gasket. Pry the filter out of the gasket.
9. Install a new humidity filter in the gasket. If the gasket has been removed, install it with the
flat side facing the white hydrophobic filter.
10. If necessary, put the sensor in the socket on the rear case. The colored side faces away from
the rear case and the slots in the sensor line up with tabs in the socket.
CAUTION: Forcing a sensor into a socket without lining the sensor slots up with the socket tabs
may damage the sensor or socket.
11. Reinstall the front case to the rear case.
12. Reinstall the 4 screws that were removed in Step 3.
13. Reinstall the rubber boot, if being used.
Figure 13: Humidity Filter Location
Sensor Gasket
Sensor Gasket
Front Case Inside View
Humidity Filter
Humidity Filter
Front Case Rear Case
Instrument Side Vie w