Fluke 522A/6, Operator'S Manual

Page: 243 / 426

Maintenance
How to Clean the Air Filter
7
7-5
4 A/500 V
Ultra Fast
(3 A Output)
25 A/250 V
Fast
(20 A Output)
gjh068.eps
Figure 7-2. Current Fuse Replacement
3. Lift off the fuse door.
4. Remove the fuse and replace it with a new fuse of the same rating.
Table 7-2. Replacement Current Fuses
Part Number Fuse Description

3674001 4A/500 V Ultra Fast

3470596 25A/250 V Fast
5. Replace the fuse door over the fuse compartment.
6. Install the two screws to hold the fuse door in place.
How to Clean the Air Filter

Warning
To avoid risk of injury, never operate or power the product
without the fan filter in place.

Caution
To prevent damage to the Calibrator, keep the fan filter clean
and do not restrict the area around the fan.
The air filter must be removed and cleaned every 30 days or more frequently if the
calibrator is operated in a dusty environment. The air filter is accessible from the rear
panel of the calibrator.
To clean the air filter, refer to Figure 7-3 and proceed as follows:
1. Turn off the power, let the fan come to rest, and unplug the ac line cord.
2. Remove the filter element.
a.
Grasp the top and bottom of the air filter frame.
b. Squeeze the edges of the frame towards each other to disengage the filter tabs
from the slots in the calibrator.
c. Pull the filter frame straight out from the calibrator.
3. Clean the filter element.
a.
Wash the filter element in soapy water.
b. Rinse the filter element thoroughly.