Chapter 6: Maintaining the Cabinet
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Cabinet Evidence Prefilter Replacement:
1.
Open the cabinet’s glass door(s), and locate the cabinet prefilter frame on the
upper right side of the liner. See Figure 6-2.
2.
To access the prefilter, loosen the captive thumbscrew until it is released. The
front of the prefilter frame will swing down.
NOTE: The prefilter frame can be removed from the cabinet for easier
prefilter examination and removal. With the front thumbscrew released, and
the front of the prefilter frame tilting downward, remove it by lifting the back
of the frame up slightly, and then gently pull the frame straight out of the
cabinet.
3.
Wearing appropriate gloves, and working on the prefilter frame, carefully lift
out the prefilter, and then the evidence prefilter. The evidence prefilter can now
be examined for trace evidence, or placed in a sealed plastic bag for future
examination.
4.
Examine the cabinet prefilter. If it is contaminated from the evidence drying
operation, or from dust, replace it with a new one, such that the orange side of
the prefilter is up (away from the bottom of the prefilter frame).
5.
Reinstall the prefilter frame, and hand tighten the thumbscrew.
Cabinet Prefilter Replacement:
1.
Follow Steps 1, 2, 4 and 5 above.
2.
replacement, such that the orange side of the prefilter faces up.
Figure 6-2
Thumb
Screw
Prefilter
Frame
Pre-Filter
