PS Magazine - TB 43-PS-425
PS, The Preventative Maintenance Monthly
ISSUE 425
APRIL 1988
Your AN/TSM-93 has lots of delicate components that need lots of delicate care
if it's to test true. Pass the test of a good operator with these tips±
I
CleanLiness is right up there with
Help the AN²TS³´93 sµay cool by
godLiness when it comes to the AN²
keeping its screens and Flters clean, es¶
TSM´93. Dirt and sand get in µhings
pecialLy those on top of the operator
like cabLe connectors and cause arcIng
control console and the electronIcs
and shorts. Dust o· counters and sweep
rack.
Keep caps on
cable
out the van. Shut the door. Keep caps on
cabLe connectors not in use.
Quench your thirst outside the AN²
TSM´93 van. An overtuRed gLass can¸
mean major electrical damage.
Don't f¹ddle with the van's thermo¶
stat. ºaising and Lowering the tempera»
ture Leads to condensation, which keeps
thEAN²TSM¼93 ½om per¾rming Like it
should.
Keep your Fnger o· the HA¿T
button if the signaL generatorÀs power
amplIfieÁ has been programmed or the
1A4 variable transfOrmer is being used.
Hitting HA¿T is lIke throwing your cÂr
in reverse when you 're going
55
MPH.
Power surges with no pLace to go can
cause circuit card damage, too.
M
Rm
Be gÃntLe mating cable connectors
to jacks. Ät doesn't take much muscle to
bend connector pins. ¿Ine up pins and
keyways, then push in µhe connector. Äf
you Åel resistancÆ, try jiggling the
connector sIde´to´side slIghtly±
Äf yoU
stIll Åel resIǵance, check the connector
¾r bent pins.
When you 're not rÈnning tesµs
keep the patch board receiver hanÉLe
aj
the way down. Êtherwise, voltage ½om
the power suppLies keeps running to theË
patchboard receiver and can damage
the patchboard, power supply cable
pins, or the ÌiLter adapter.
Not running a tesT?
Keep patchboard
receIver handLe
down
ÍÎright's the only positIon µo set
down a patch board. Äf you lay It down
flat, something as small as a pen can
bend pins±
ºeplacIng pIns is a major
repair.
When
you 're
troubleshooting
patcÏboard pins, look fOr broken pIn
prongs or spread prongs. Those are the
most common problems.
±ook for
spread
prongs
ÐefOre you shut down the AN²
TSMÑ93, tuR the variabLe trans¾rmer
dial back to
0.
That prevents
Ò
voltage
surges ½om damagIng the trans¾rmer
when theAN²TSMÓ93 's tuRed back on.
APR 88
2±
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