DMTA069-01EN, Rev. D, March 2017
Overview
19
1.7
Short and Long Links
Links can be added or removed to alter the chain length. This is accomplished by
simply pulling out on the link knobs to retract the pins, which hold the links
together. To facilitate the reassembly, the knobs can be latched open by pulling
them out and rotating them slightly (see Figure 1-9 on page 19).
There are two link lengths for the ChainSCANNER —short links (P/N:
CHAINSCAN-A-SLINK [U8775127]) and long links (P/N: CHAINSCAN-A-
LGLINK [U8750042]). Consult Table 10 on page 72 or Table 11 on page 74 to find
the adequate combination of links according to the outside diameter of the
surface to be inspected.
Figure 1-9 The short and long links
The ChainSCANNER is not recommended for pipes larger than 965 mm (38 in.) OD,
because on pipes above this diameter, the scanner tends to make ellipsoidal rotations,
which makes it difficult to align the probes with the weld.
Long link
Short link
NOTE
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 ...