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5.
SERVICING INSTRUCTIONS
This section will describe the necessary procedures needed to effectively
service this Instrument.
5.1
Battery Replacement
Replace the battery only if unable to adjust reading to 32
4.3, item 3. To replace the standard "C" size flashlight battery, remove the four
screws on the bottom of the case which holds the lower panel in place. Slide
the lower panel away from the Instrument cover about 1/32 inch to release
stop on top edge of panel, then lift the panel free of the case to gain access to
the battery. (Use insulated type batteries only.)
5.2
Calibration
If the Instrument is known to require calibration, or if the accuracy of the cali-
bration should be checked, proceed as follows:
1.
With the function switch OFF, check for a reading of -50
correct reading with zero adjusting screw on the face of the Instrument.
2.
Set the function switch to the READ position.
3.
Using an ice point reference source take a temperature reading.
4.
If the reading is not exactly 32
the Simpson logo until the meter indicates 32
5.
Turn the function switch to the ADJ position. The meter should still indi-
cate 32
o
F.
5.3
Care
1.
Immediately clean all spilled materials from the Instrument and wipe dry.
If necessary, moisten a cloth with soap and water to clean plastic sur-
faces.
2.
Whenever possible, avoid exposure or usage in areas which are subject
to temperature and humidity extremes, vibration or mechanical shock,
dust or corrosive fumes or strong electrical or electromagnetic interfer-
ences.
3.
Monthly Care: Verify Instrument calibration by performing operational
checks using known value sources. If the need for calibration is indicated,
contact the nearest Authorized Service Center.
4.
Annual Care: It is recommended that the Instrument be returned annu-
ally for a complete overall check and calibration.
5.
Storage: When the Instrument is not in use, store it in a location free from
temperature extremes, dust and corrosive fumes, and mechanical vibra-
tion or shock.
5.4
Replacement Parts
Table 5-1 lists parts in order of their reference designators and indicates their
description. (Refer to Table 1-2 for Items and Accessories Furnished With This
Instrument.)
o
F as in paragraph
o
F, turn the slotted adjusting control below
o
F, exactly.
10
o
F. If necessary,
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