AMERITRON AL-811H Manual de instruções - Página 9
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The high voltage present on the plate choke and air variable
capacitors attract dust and dirt out of the air stream.
particularly important that the high voltage areas at the bottom
of the of the plate choke and the insulator on the air variable
capacitors be dust free. These areas should be inspected every
few months if the amplifier is operated in a dusty
environment.Unplug the line cord, and wait at least 90 seconds
until the power supply capacitors discharge.
BAND
160 CW
160 SSB
80 CW
75 SSB
40 CW
40 SSB
30 CW
20 CW
20 SSB
17 CW
17 SSB
15 CW
15 SSB
Fill in this chart with your actual settings and you can quickly change bands in the future.
NOTES:
PERIODIC MAINTENANCE
Amplifier Tuning Chart Log
We suggest you use a pencil as settings may change as you alter your antennas.
Remove the cover and connect a jumper wire from ground to the
It is
anode connection of the tubes.
NOTE: This is a safety wire that must be installed when
beginning service work and must be removed when
work is finished.
Use a soft bristle brush dipped in alcohol to clean previously
mentioned areas.
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