Response Electronics CL6011B Specifikace Strana 122

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A-2 Maintaining the Calibrator
UM4.6:CS6003 Original — December 1991
A.3 Lamp Test
The LAMP TEST switch, when pressed, lights all indicators and displays
on the calibrator front panel. Before beginning to test or calibrate cards,
set the calibrator ON/OFF switch to ON and press the LAMP TEST
switch. All of the indicators and other displays on the front panel should
light. If they do not, the calibrator requires repair.
A.4 Fan and Filter
The calibrator fan and air filter should be inspected and cleaned at least
once every six months and more frequently if exposed to dusty
conditions. To remove the fan assembly (includes the air filter) follow
these steps:
Step 1: Make sure the ac power cord is unplugged.
Step 2: Remove the six screws securing the calibrator front panel.
Step 3: Remove the front panel.
Step 4: Disconnect the front panel 60 pin ribbon cable at the power
supply end.
Step 5: Disconnect the 3 pin molex connector on the wires between
the calibrator power supply and the front panel.
Step 6: Remove the screw securing the fan assembly bracket.
Step 7: Disconnect the 2 pin molex connector on the wires leading to
the fan.
Step 8: Remove the fan assembly.
When the fan assembly has been removed, the fan should be checked
to make sure it will rotate freely. The air filter should be brushed,
vacuumed, or otherwise carefully cleaned. If the filter is extremely dirty, it
can be removed from the fan assembly and cleaned with soap and
water. Dry the filter thoroughly before reinstalling it.
Replace the fan assembly by using the following steps:
Step 1: Position the fan assembly in the case.
Step 2: Connect the 2 pin molex connector to the fan.
Step 3: Secure the fan assembly bracket in place with the screw.
Step 4: Connect the 3 pin molex connector between the power supply
and the front panel.
Step 5: Connect the front panel 60 pin ribbon cable to the power
supply.
Step 6: Replace the front panel and secure with six screws.
A
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