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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

NOTES:

PERIODIC MAINTENANCE

Amplifier Tuning Chart Log

Fill in this chart with you actual settings and you can quickly change bands.

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

removed when work is finished.

Use a soft bristle brush dipped in alcohol to clean areas

mentioned previously.

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