PS Magazine - SEPTEMBER 1981
PS, The Preventative Maintenance Monthly
ISSUE 346
SEPTEMBER 1981
True, the PMCS for some common batteries-4HN, 2HN and 6TN-are
not the same in all TM's, even tho the batteries are alL pretty much the same as
far as operatoR/ crew inspection is concerneD.
A standard lead±acid battery PMCS for 4HN,2HN and 6TN batteries in all
Tank²Automotive Command equipment is in TB 43³0001´39µ5 (Apr 81)¶
r
2
Operator PMCS f±r
HN, 4hN & 6TN B
.
•
Inspect batt er
atter1es
sw elLing, broken TEr
i
s
c
±²³
±
s± lea ks,
:
g
h
hec
k
k lectrolyt
lev
±
I once
e
!
'
w
´µ
k
ec
ROr co rros² on
·
•
Check for I
!
ho Ld-do wns.
o ose conn ecti ons and
•
Make sure ³Ubb e
pLace to keep the cable
r
/
o
¶
m
_
ets are in
the edge of holes´
rom
e ²ng cut on
±
Inspect battery b
damage.
ox for obv
io us
·eport any of these faults on your ¸A Form 2404¹
Watch it! Beºore you tacKle those PMCS
, find out if your command h»s
Different requirements unDer a written local SOP.
10
That metal ¼attery box in your vehicle will last as long as the vehicle-Iº
you keep it protected ºrom rust and corrosion.
That means a close eyeballing during your PM½S for plugged drain holes and
cracked batteries¶ ¾eep Drain holes open¶ Get crackeD batteries replaced¿
A
good time for thIs
.
clean-up/FIx±up Is durIng
±
²³
semianNuaL servicing´
EspecIaLly iN the Spring where
salt's used oN roadsµ Take
·out the batterIes´and
²
boxes, too¶ If you can¸for
²
±
cLose eye-balliNg oF all hardware¹
Plain water in your battery Àox is bad enough¶ Át'll rust out the metal for sureÂ
ÃUt electrolyte (batterY aÄdÅ from a leaking battery eats up metal fast! Battery
boxes get it bad, tooÆ when batteries are overfilLed with water The overflow's
got acid in it¶
³
.
Battery boxes and other metal parts around your batteries must be protecteD
bÇ a Èating-Like the epoxy coating, NSN 80É0´00Ê959ËÌ661, on Page 8, ¸A
Pam 750´34Í
³
h
ouc
Up
bare sPots
See the poop on cLeaning and coating those metaÎ paÏts in ¸Ð Pam 750´34,
Pages 10 and 1É.
11
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