User Manual

Maintenance a n d Troubleshooting 10-19
Replace the dryer tube o r the desiccant contained within the dryer
tube on a regular b asis or as necessary. Desiccant can absorb
moisture only whe n it is blue in co lor. Pink desiccant indicates that
it can no longer absorb moisture. Therefore, if the desiccant
appears either colorless or pink upon insp ectio n, replace the dryer
tube or desiccant immediately.
Replacing the Dryer Tube
Replace the pressure depth sensor d r yer tube (ADS p/n 3704-0032)
in the following wa y:
1. Clip the cable ties securing the dryer tube to the monitor.
2. Cut the c l ear fle xi ble tubing running from the dryer t ube to t he
pressure depth sensor connector at a location close to the brass
barbed fitting on the dryer tube.
3. Set aside, but do not discard, the old dryer tube with the used
desiccant.
4. Attach a new dryer tube to the pressur e d epth sensor by
inserting the brass barbed fitting into the open end of the plastic
tubing running from the sensor connect or. Make sure the
tubing seats firmly against the fitting to prevent air or moisture
transfer.
Inserti ng the brass barbed fi t ting into the t ube
5. Secure the new dryer tube to the monitor.