6. To replace humidity sensor, pull it back out of the probe housing. Slide the wires out of the cylindrical
spacer. Place the O-ring over the tip of the new sensor, and gently push it back into the housing using the
cylindrical spacer until the O-ring seats. The sensor tip should be visible, but not up against its guard. Check
to ensure that the O-ring did not roll over the sensor ange during insertion.
NOTE: Perform the Humidity Calibration after replacing the humidity sensor.
7. To replace the temperature sensor, you must replace the entire probe housing.
8. When reassembling the probe housing make sure the groove in the break plate faces the probe housing
cover. Also check that the temperature sensor is oriented so that it is on top.
5.8 Removing the Upper End Cap Spring
Refer to “Figure 5-49 Top Rail End Cap”.
Top inner end cap
Spring
Top outer end cap
Roll pin
Figure 5-49 Top Rail End Cap
1. To replace the retaining spring, use a punch to push the roll pin in the top of the lift rail out about ¼ inch
and remove the old spring.
2. Remove the old spring from the end cap.
3. Use a needle nose pliers to hook one end of the new spring onto the roll pin.
4. Push the roll pin back into the rail with the new spring attached.
5. Hook the other end of the new spring with a 1.5 or 2 mm “long” hex key and stretch it up into the shaft of
the end cap. Hook it on the roll pin inside the end cap shaft.
122 6600-0343-000 104 © 2001 by Datex-Ohmeda, Inc.. All rights reserved.
Chapter 5: Repair Procedures
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