Installing Microtube Assembly - Honeywell CM4 Technical Handbook

CM4 Four-Point Continuous Monitor

9.6 Installing Microtube Assembly

CAUTION
Make certain analyzer plate pivots on studs (3) when opening.
To access the Microtube Assembly:
1. Open the analyzer as indicated in steps 1-4,
2. Remove Microtube Assembly by unscrewing each end from
optics block and filter manifold (3). See Figure 9-11
NOTE:
Remove one tube at a time to ensure proper orientation of
tubing when reassembling.
3. Replace tubing. Firmly tighten fitting at each end.
NOTE:
Flow calibration will be affected by up to 20%. Contact Honeywell
Analytics Service Department for calibration information.
CAUTION
Accidental exchange of any tube in this block may cause erroneous
readings and improper system operation.
4. Perform leak test to verify system integrity. See
for leak test procedure.
CM4 Technical Manual
Section 9.5.
Appendix B.2
Release ring (push up on ring, pull
1
down on tubing)
2 Pressure transducer port tubing
9-13
1
2
3
4
4
Figure 9-11: Microtube Assemblies
Legend
3 Filter manifold
4 Microtube assembly
1
2
3