Emerson Rosemount OCX 8800 - Page 237

Removal of sample and exhaust tubesFigure 9-11:
A. Sensor housing
B. Exhaust tube
C. Sample tube
D. In-situ filter
Procedure
1. Secure the sensor housing (A, Figure 9-11) in soft (plastic, wood, or brass) vice jaws.
2. Use a propane torch to heat the sample tube (C) or exhaust tube (B) to 232 °C
(450 °F) minimum. Apply the heat near the threaded end of the tube.
Maintenance and service
Reference Manual 227