DMTA069-01EN, Rev. D, March 2017
Wedge-Probe Assembly Maintenance
79
To replace a conventional ultrasonic transducer
1.
Turn off the couplant flow.
2.
Disconnect the couplant tubes from the couplant source, or from the wedge.
3.
Remove the scanner from the inspection surface.
4.
Disconnect the transducer cable.
5.
Lift the swing arm until the latch engages into its higher position (see “To latch
the swing arm” on page 28).
6.
Use the wing knob to release the probe arm that holds the yoke parts together (see
Figure 7-3 on page 81).
7.
Ensure that the transducer cable is disconnected, and then unscrew the
transducer from the wedge.
It is possible to unscrew the transducer without removing the wedge.
8.
Screw the new transducer onto the wedge.
Before installing a new transducer on the wedge, ensure that there is a sufficient
amount of couplant between the transducer and the wedge.
9.
Tighten the transducer on the wedge.
Do not overtighten the transducer; overtightening might crack the wedge.
10. Reinstall the wedge in the yoke.
11. Lift the swing arm slightly.
12. Pull out the latch knob.
13. Release the swing arm slowly to its lower position (see “To unlatch the swing
NOTE
CAUTION
Summary of Contents for ChainSCANNER
Page 5: ...DMTA069 01EN Rev D March 2017 Table of Contents v Index 87 ...
Page 6: ...DMTA069 01EN Rev D March 2017 Table of Contents vi ...
Page 8: ...DMTA069 01EN Rev D March 2017 List of Abbreviations viii ...
Page 18: ...DMTA069 01EN Rev D March 2017 Important Information Please Read Before Use 10 ...
Page 20: ...DMTA069 01EN Rev D March 2017 Introduction 12 ...
Page 28: ...DMTA069 01EN Rev D March 2017 Chapter 1 20 ...
Page 64: ...DMTA069 01EN Rev D March 2017 Chapter 5 56 ...
Page 74: ...DMTA069 01EN Rev D March 2017 Chapter 6 66 ...
Page 78: ...DMTA069 01EN Rev D March 2017 Chapter 7 70 ...
Page 84: ...DMTA069 01EN Rev D March 2017 Appendix A 76 ...
Page 94: ...DMTA069 01EN Rev D March 2017 List of Tables 86 ...