RF Concepts LLC PA-77DF User Manual
RF Concepts, LLC
Product Release 1
Product Release 1
7
DOCNUMBER 9500
Document Issue 1.1
February 2010
February 2010
Page 7–1
7
Maintaining and Upgrading the Amplifier
!
IMPORTANT
•
The Alpha 9500 is extremely easy to set up, operate, and
maintain. However, failure to carry out each procedure exactly as
described in this manual is likely to lead to amplifier damage,
which is not covered under warranty. Damage to other station
equipment may also result.
maintain. However, failure to carry out each procedure exactly as
described in this manual is likely to lead to amplifier damage,
which is not covered under warranty. Damage to other station
equipment may also result.
•
Do not apply oil or grease to any amplifier components. There are
no user-accessible lubrication points in the amplifier.
no user-accessible lubrication points in the amplifier.
7.1 Clean the Chassis
Procedure 7-1 Clean the amplifier
Step 1
Power down the amplifier.
Step 2
Disconnect the AC line cord from the power source and lift the cover.
WARNING
!
WARNING! Disconnect the AC line cord from the power source
before lifting the cover for any reason.
before lifting the cover for any reason.
Step 3
Clean the interior, particularly high-voltage areas, with a vacuum cleaner
and a soft bristle brush frequently enough to prevent visible accumulation
of dust.
and a soft bristle brush frequently enough to prevent visible accumulation
of dust.
Step 4
Clean the exterior with a mild household liquid detergent. Do not use
chemical solvents, as these may severely damage the front panel or
cabinet finish. Never use an abrasive cleaner.
chemical solvents, as these may severely damage the front panel or
cabinet finish. Never use an abrasive cleaner.
Step 5
In extremely dusty conditions, secure a thin air filter of the type used for
window air conditioners across the air intake on the rear panel.
window air conditioners across the air intake on the rear panel.