PS Magazine - APRIL 1985
PS, The Preventative Maintenance Monthly
ISSUE 389
APRIL 1985
1.
M578 Recover Vehicle .±²
How many flter systems on your
vehicle clean hydraulic oil?
There are two-and it's a good
bet one oF them doesn't get enough
attention.
±he hydraulic flter under the cab
²oor gets plenty oF attention ³om
crewmen and mechanics. When the
´lter byµpass light on the cab control
panel comes on, that means the FIlter is
clogged. You crewmen know to get
your mechanic on the job pronto.
He'll use
NSN
2520µ¶¶·478µ5862
to get the repair kit to clean up
that problem.
pulled out oF the reservoir ¸R servicing.
You mechs know this used to be a
quarterly job. But ±M 9µ2350µ238¹20
also says clean the strainer and screen
more oºen iF needed.
22
APR 85
±he strainer Can clog up in rea1 dusty conditions»
And there are a couple oF gaskets on either side oF
the strainer that can leak and Let water get into the
reservoir.
You can telL iF the¼e's any water in the oil by the
milky, creamy coLor or by ¸aming oil. Both dirt
½¾¿
ÀÀÁÂÃÄ ÁÁÁÅ (dust) and water will cause
erratic operation, and conÆ
trols Çat don't work right.
ÈF you need new gasÆ
kets, use
NSN
É330¹¶0µ
ÊÊ˵840ËÌ
The strainerµscreen
assembLy in the reservoir
must be cLeaned whenever
it gets dirty» You crewÆ
men would notice this
during your beForeÍ
operation check.
Îlean tÏe strainerÆ
screen assembLy witÏ
drycLeaning soLvent»
The main tÏing to remember is tÏat there arE two
fLtering systems at work in your vehicLe's ÏydÐauLic
"ÑÒ;ÓÔÕ system. KeEp both oF them clean.
Combat VehIcles ³´µ
(
Winch Info Available
The detÖiLs ¸r instaLl×ng
tÏe cLevis assembLy on
wincÏ cabLes ¸r MÉ48/
MÉ48AØ cargo carriers,
M7Ù0/M730AØ missiLe
carriErs and MØ0ËÉ eLecÆ
tronic sheLter carriers are
Ún Para 2µ7d oF TB 43µ
0¶¶Ëµ3ʵ2, Jul
±.
APR 85
23
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