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SERVICE TASKS
Table 6.2 Service tasks
Power off the unit before disassembling or performing any service task.
Instrument disassembly
—
Using a torx screwdriver,
remove all four screws from
the case bottom; set aside
the screws.
Hold the case bottom near
the upper screw holes; lift
the case top slightly to
separate the top and
bottom.
Continue to lift the case top straight up to remove it and to
avoid unintentionally loosening the sensors.
If replacing just the case top, refer to the task below,
"Instrument assembly." Otherwise, proceed with the desired
service tasks below.
Speaker dust barrier replacement
Using a finger or needle-
nose tweezers, peel off the
dust barrier and discard.
Scrape lightly across the
paper to the barrier's edge;
gently lift to expose a
portion of its adhesive back.
Peel the barrier from the
sheet.
Guide the new barrier—adhesive side down—onto the case
top, positioned over the speaker.
Place your thumb over the dust barrier, press and hold for five
seconds to activate the adhesive.
Sensor water barrier assembly replacement
Note. The sensor water-barrier assembly consists of two parts: the filter and its gasket. Replace both items at the same time.
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