PS Magazine - JANUARY 1980
PS, The Preventative Maintenance Monthly
ISSUE 326
JANUARY 1980
TM-209±Series 21±Ton Truck .².
11RIGHT" Bialce
hosE ±s WrONg
:
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,
.
.
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·rit' ±²³lN.J
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µ
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º»¼½m¾¿ÀV
-
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•
ÂÃ
´
Hµ ¶ ,-¸¹:;º»
¼
"
µ
·
¶·
-±
;²³,´
²
\ 1Jµ¶·¸¹
No, you don't use the front brakE
¸i
± ²
hose-³SN 4720´00´737µ3250¶sp·c¸
ified in
T
9´2320µ209µ20P (Oct 76)
for your 2Yµton trUck.
Instead, you use the same hose
After the enginE sTaRs, lEave ThE coLd-±
sta²
switch
turn³
ONº
Pump
thE
´µimer sLOwly to k¶Ep thE Engine idling
smOOthly .·¸ abou¹
4
to
5
minutEsº
If The engine wOn't sta» within
20
seconds¼ stopº
Wait
30
seCOnds and try again½
»"¼½t ¾ ¿'
\r
'
;
1
±²
"
³´)
.
µil¶>
·
¸
{
¹
jº»¼½R
;
,
³
\L
·
´
ÀÁÂÃ
lÄ
.
¹1
º
,
w
±
VjÅ
ÆÇ
È
»
¼½¾_
/
that's on the M39µseries and M809´
series 5µton trucks. This hose comes
"
under NSN 4720µ00µ203´9515, li¹ted
in TM 9´2320´21ºµ20P (May 73) and
in
T
9´2320´260´20P (Nov 72).
This switch was made b·cause the
5µton
t»uck
hose
is
saf¼r,
as
explained½with
installation
instructions¾in ¿M 43´0ºÀ3
ÁUn
77),Ch 1,para 4´º0a. But you switch to
the 5´ton hos only when inspection
of th· old hose shows yoU need a new
Hose¾also explained in that TM.
The hose clamp in TÃ À3´0143
should b· NSN 5340´00´984´85À0.
ÉÉ
¾L
²³´
ÊË Ì
ÄÅ
Ä ¿h· bAttery Åray For the 24´volt side Æ
won't stand up tÇ rough treatmentÈ
like crossµcountry travel and such.
The batteries are too heavy. ¿he
tray breaks. This'll l·t the batteries
shift. Éou could end up with a broken
righÊ
headlight
wire .
.Ë or
connecÌ
tion .
.. or worse.
DS can reinforce the battery tray.
Í
43µ0001µ39´º (Ípr 79), page 2µ80
tells how. Éou'll especially need this
fix if yoUÎre using tHe military 6TN
batteriesÏ
Éour
trUck's
tail
Ðipe
hanger's
\
rubber insulator can wear oUt or break.
Éour mech can replace it with a new
hanger, ÑSN 53À0µ01´056µ2933 or
2990µ01´032´9850.
tRay
REINfORCEd
ON UNdEÆ
ÇIdE
Or he can replace the insulator with
PN 38225 58 ÒSCÓ 86403. Or, he can
replace the inÔUlator with a Ðiece of
sidewall from an old PDOÎd tire cut to
size.
Õither way, yoU'll have an insUlator
as good as new .
.. and a lot cheaper.
ÉÎ
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