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3. MAINTENANCE, TROUBLESHOOTING
Periodic checks and maintenance are important for maintaining performance. This chapter
contains maintenance and troubleshooting instructions to be followed to obtain optimum
performance and the longest possible life of the equipment.
WARNING
Do not open the equipment.
Only qualified personnel should work inside
the equipment.
3.1 Preventive Maintenance
General checks
Check the following monthly.
•
Check all cabling. If damaged, replace.
•
Check connections. Retighten if necessary.
•
Measure the input voltage to be sure it is within the rated voltage (13.6 VDC ±20%).
Cleaning
Dust or dirt should be removed from exterior surfaces with a soft, dry cloth. Do not use
chemical-based cleaners to clean the Loud Hailer – they can remove paint and markings.