PS Magazine - NOVEMBER 1986
PS, The Preventative Maintenance Monthly
ISSUE 408
NOVEMBER 1986
;
'!
Trucks.
Stop Air Line Freeze-Up
STOP
/MKe tNE F!±zw
WIH
1£² I'³
KEp YU
RVNni±G
´GHµ¶
Moisture
²
air brake lines wiLl feeze
in coLd weatheR and bLocK the lines.
That's why most ±cks have an aLcohoL
eVaporator to put aLcohoL into air lines
to preVent moisture fom feezing.
ALL trucks except the 10-ton M.A.N.
use methyL alcohoL in their eVaporators .
²³´µ
¶·
NSN 68¸¹-º-597»3¼8 get½ one gallon.
¾
¿S¿ 6810-º»275»¼¸0 gets a 5-gaL
c.
THe M.A.N. taKes a 50/50 ÀIx oF antifeeze, NSN 6850»º»¸81»Á933, and
denatUred ethanoL, NSN 6810-º-543»7415. Both are 5»gaL cans.
Slave Cab±e COnnection
Âere're the parts mÃng up the complete ÄAÅO slaVe cable, NÆN 2Ç90Ⱥ
¸48ÉÊ96¸Ë Ìund in the ¿o. ¸ Common shop set:
nSn
.
gets the cable with
end connectors
nSn
gets the caBle withouT
end connectors
26
nSn
5935±00-56²±0128
nSn
gets the connector-adap³er for
each end to fI³ 2-hole receptacLes
³ov 86
Wa·¸r ¹aºk Trail¸r »¼½
1´µ¶·
¾¿ÀÁÂÃÄÅÆ"
A quicK Way to ÌuL up your M149, M¸49AÍ or M625 water trailer is to let
water feeze
²
the pipes and Îucets.
To preVent feeze»upÏ
Ð Shelter tHe
t
,
esPeciaLLy iF the temPeratÑre is below 0°Ò.
Ó Ôeep the manhole coVer cLosed.
Ó AÕer Each Öse, cLose the ValVe at the font oF the t×nK and drain the pipes
through Øhe Îucets.
Ó Ùse an iÀÚersion heater
²
the steÛL
t
±
¿eVer use it
²
a ÜÝergLass
¸¹.
You could melt the
t
²
The best iÀmersion heateDor Øhe job is ¿SN 4540ȺÈ266È6834. You'll Ünd
it in Þhapter 5 oF TM ¸0»45º»2º»¸3 (ßàá 69)â ãt has a steeL disK that proVides
a coVer Ìr äe taåK as weLL as a supporæ Ìr the heater assembly.
ãF you already haVe an M67 iÀÚersion heater, use it. You'LL haVe to adjust the
heater bracKet to maKe it Üt the
t
³
tho. ÒoLLow the instructions on çages 2É3¸
and 2È32 in TM 9È2330É267ɸ4&ç.
³oº 86
27
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