Instruction manual, SPT and MPT 31x series transponders
Instruction manual, SPT and MPT 31x series transponders
Instruction manual, SPT and MPT 31x series transponders
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<strong>SPT</strong> <strong>and</strong> <strong>MPT</strong> <strong>31x</strong> <strong>series</strong><br />
8 MAINTENANCE<br />
No maintenance is normally required, apart from washing the<br />
unit. To change the battery pack, the unit must be dismantled.<br />
Caution<br />
For explosion-protected <strong>transponders</strong>, (stainless steel<br />
<strong>transponders</strong>) special maintenance is required. See<br />
paragraph below.<br />
To change the battery pack, the unit must be dismantled.<br />
Topics<br />
Preventative maintenance on page 70<br />
Maintenance for explosion-protected units on page<br />
71<br />
Testing the transponder on page 71<br />
How to open a transponder on page 71<br />
How to replace a transponder circuit board on page<br />
76<br />
How to replace the transducer on page 77<br />
How to remove the bottom end cap/release unit on<br />
page 78<br />
How to assemble a transponder on page 78<br />
Calibration on page 79<br />
Transducer h<strong>and</strong>ling on page 80<br />
Source level adjustment on page 80<br />
Octans module on page 80<br />
Preventive maintenance<br />
Preventive maintenance is limited to keeping the unit clean.<br />
Caution<br />
Do not use high pressure water as this will damage the<br />
transducer face.<br />
Remove all traces of salt <strong>and</strong> debris.<br />
70 160820/O
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