28142 Rev 15 MAINTENANCE
Gentherm Global Power Technologies Page 53
9 MAINTENANCE
This section describes how to properly maintain the Model 5220 TEG. Before working on the
TEG, the qualified service person should be thoroughly familiar with its:
• technical specifications;
• process description;
• installation;
• startup and shutdown;
• power output evaluation, and
• adjustment/tuning
NOTE:
Good record-keeping is necessary for
TEG maintenance and can aid in
troubleshooting
. Use the TEG Performance Log, located at the end of this
manual, to record details each time adjustments are made or service is done.
The 5220 is a solid-state device that requires very little maintenance. However, it does
require periodic service checks to provide the years of trouble-free service of which it is
capable. The maintenance interval depends on site conditions (fuel purity, environment,
etc.). A properly installed TEG usually requires maintenance only once a year.
Evaluate V
set
(as per the procedure below) at least once a year. This will keep your TEG
running correctly and ensure the health and longevity of the Power Unit. A V
set
check should
be the first procedure performed in any service visit and will determine any changes that
may be required.
Tools and Parts Recommended for Routine Servicing
The following tools should be available for routine servicing:
• 1 - Multi-meter, including DC voltmeter accurate to ± 0.1 V (and Ohmmeter*)
• 1 – Combustion Analyzer with the ability to measure Carbon monoxide (CO)
• 1 - Flat-head screwdriver
• 1 - Phillips screwdriver
• 2 - Wrenches, 9/16 in.
• 1 - Wrench, 1/2 in.
• 1 - Adjustable wrench, that will open to 16 mm (5/8 in.)
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