PS Magazine - MAY 1982
PS, The Preventative Maintenance Monthly
ISSUE 354
MAY 1982
Furthermore .
..
Eyeball your headsets, handseTs and connecTors. Watch out for bends or
mikes to make sure tHere are no twisTs ThaT could damage ±ire.
broken or loose connecTions.
LooKing for ²M's or repair parTs for
your
³-250
handseT
or
M-80
microphone? Forget it. ²hey don'T
make ²M's for that gear, and you don'T
get Those items repaired´ You turn the
whole thing In for replacement ±hen
it goes do±n.
²he
Army Master
DaTa
File
(AMDF) can clue you in on ±heTher
your commo gear is repairable or not.
Look at The RC (recoverabiliTy codeµ
When you're packing your equip-
column¶ For examPle,
"Z±
means thaT
menT a±ay, taKe care ±iTh cords and you don't get the iTem fixed. ²urn iT in.
Light,
Don't Switch
²he lamps that lighT your AN/
²hey looK aliKe, But t·e 28-V bulb
GRA-39controlgroupandAN/VRC¸
That lighTs your radio dial gets just
12¹series radio componenTs are noT enough jUiceº To flicKer in yoUr -39» ²he
The same.
6¼V bulb from your control will Burn
Your control set
Up in The ½ore po±erf¾l ra¿io circUiT.
takes a 6-V buLb
Àlug in the right brightener. For the
0
Á39, order NSN 6240-00-Â55-7857.
T1C
For Ãhe radio, use 6240Ä00-Â55-7836.
Åf you alreadÆ have a BulB, b¾t can't
ÅD it, looÇ at the Base. ²he -39's BUlB
carries the numBers -328. Èhe radio's
L
-²³´µ¶·:¸¹º=»¼_
½¾¿
BUlb has a -327.
50
No
TransieNts Al±owed
SAY
.±²
WERÀN'T yOU
ÁHI
faMÂÃs PÄÅ BÆlÇ
ÈwiÉCÊ
-
ËÌÍÎÏÐ?
ÑÒÓ GÔÕ
I±/
Ö
D×cØdÙÚ ÛÜ ÝnÞßàá
âãä åæç
A
èéê
ëOì
UN²³E!
H'RAy´µ
í îïðñòóôõö÷øùúûü
ýþ JÿĀ āĂ㥠ąĆć ĈĉĊċČ
gčĎď
¶·¸DS¹
·³
S±iTch hitting is the best protection
you can give your tracKed vehicles's
commo
sysTem
againsT
electrical
current surges.
²hese Transient voltages can ÉO
radio
receiver-TransmitTers or
your
AM-Â780 audio frequency amplifier.
You stop 'em by hiTTing a couple of
s±iTches.
STart by puTTing the MX-7777Ê
Transient suppressorËs circuit breaker
s±iTch OÌ and batTle override s±itch
OFF.
ÅÍ The circuiT breaker s±iTches ÎTself
ofÍ,
That
means
you've
sTopped
a
poTential killing surge before iT got to
your commo gear.
Åf it does s±itch, give iT a couple of
minuTes to cool do±n before s±itching
it back ONÏ ÅT TaKes 2 minuTes or so.
ÅÍ your breaker breaksÐand iT's a
commo
emergencyÑuse
The
overÒ
ride. Never use it instead oÍ TroubleÒ
shooting, ThoÓ ²haT leaves your sysÔ
tem open to ±haTever Tripped the
breaker in The firsT placeÏ
For an added bit of proTection when
you sTarT your vehicle, hit your AMÕ
Đ
780's
ÀOWER
and
CÅRCÖŲ
ÊREAÉER s±itches× too.
º»¼½ ¾ou¿ ÀMÁÂ780 ÃmpLifÄe¿
ÅwÄÆÇhÈÅ OFF
²urning Them oÍf ±hile yØu starT up
Keeps any surge That sneÙks pasT your
suppressor from geTting To your radio»
đ1
I
Ē!
Ii
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