97-2105006_4-2-15
Information subject to change
37
2105 OPERATOR’S MANUAL –
SECTION 8
8 Maintenance
Simple maintenance can be performed by the user
to help keep the equipment operational. The fol
-
lowing routine maintenance is designed to prevent
problems before they occur. See Section 8, Trou-
bleshooting, for recommendations for restoring the
equipment to operation after an error condition has
occurred.
Preventative maintenance is recommended after
the first 250 hours of operation, and every three
months or 250 hours thereafter. If the equipment
environment is dirty or dusty, preventative mainte-
nance should be performed more frequently.
8.1
Clean Amplifier Filter and Grills
8.1.1 Tools Required
The recommended equipment and supplies
needed to perform the functions required for this
task are described below.
• Vacuum cleaner
•
Damp cloth (use water only or a mild soap
diluted in water)
To ensure adequate cooling and maximum ef
-
ficiency of the internal cooling fans, the amplifier’s
front and rear grills should be cleaned periodically.
To clean the amplifier grills and filter, complete the
following steps:
1.
Turn completely down (counter-clockwise) all
level controls and turn the amplifier OFF. Dis
-
connect the amplifier from its power source.
2.
Using a vacuum cleaner, vacuum the front ven
-
tilation grill, including the filter behind the grill,
and the back ventilation exit grill.
3.
Using a damp cloth, clean the front and rear
ventilation grills. Dry with a clean cloth or allow
to air dry.
IMPORTANT: Grills should be com
-
pletely dry before plugging in or restarting
amplifier.
Before you begin, make sure your ampli
-
fier is disconnected from the power
source, with power switch in the OFF
position and the level control turned
completely down (counter-clockwise).
CAUTION
