PRACTICE EXERCISES:
14.
When should preventive maintenance be performed on radio set AN/GRC-213?
a.
daily and weekly
b.
daily and monthly
c.
weekly and monthly
d.
monthly and quarterly
15.
You should clean exterior surfaces of the radio set __________.
a.
daily.
b.
weekly.
c.
monthly.
d.
quarterly.
16.
Operator's preventive maintenance includes cleaning, __________, and performance testing.
a.
troubleshooting
b.
replacing switches
c.
corrosion control
d.
nothing else
17.
The minimum performance test used as a troubleshooting guide for radio set AN/GRC-213 is found in
what TM?
a.
TM 11-5820-919-12
b.
TM 11-5820-923-12
c.
TM 11-5820-401-10
d.
TM 38-750
18.
Operator troubleshooting AN/GRC-213 is limited to--
a.
fault isolation to a replaceable unit or accessory.
b.
replacement of component modular boards.
c.
replacement of the mount.
d.
fault isolation to an internal circuit.
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ANSWERS:
14.
a.
15.
a.
16.
c.
17.
b.
18.
a.
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37. SUMMARY. In this lesson, you have learned what preventive maintenance you as an operator are required
to perform and how to perform it. You also learned to refer to TM 11-5820-923-12 for troubleshooting this radio
set.
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