Bosch tc9346a User Manual

12

Perform the following maintenance at regularly scheduled intervals to prolong the
operational life and appearance of the equipment.

1.

Clean the window with a mild non-abrasive detergent in water and a soft cloth
to maintain picture clarity.

2.

If your enclosure has a blower, clean the foam filters as follows:

a.

On the bottom front of the enclosure, remove the two screws in the vent
grill.

b.

Remove the vent grill and take out the filters.

c.

Clean the filters with warm water and mild detergent, dry thoroughly, and
replace them in the grill.

d.

Reinstall the vent grill.

To order replacement filters, use the part number EH550010045.

If your enclosure has the optional circuit board (O/I-PCB) and you need to trouble-
shoot it, Figures 3 through 5 show the wiring, component locations, and layout of
traces.

Figure 3.  Component Locations for Optional Circuit Board

Figure 4.  Layout of Traces on Optional Circuit Board