PS Magazine - TB 43-PS-435
PS, The Preventative Maintenance Monthly
ISSUE 435
FEBRUARY 1989
1
e diference betweeN an MLRS that
sends a hail oF rockets at the enemy
and one that can't manage a drizz±e
can come down to something as simp±e
as a ±iFting cable.
Wipe o²F liFting cab±es dai±y. Sand
and co³osion wear cab±es out ´ast. But
don't spray CLP-or any ±ubricantµ
on the cables. That ±eads to s±ipping
cab±es.
Limit Limit Switch Problems
¶and and cor·osion ¸eeze the ±imit
switch's plunger and ro±±er. That
means no ¹I·ing.
Weekly
push
a±±
10
limit switch
plungers in and out to make sure they
2
move Fºee±y. C±ean sticking p±ungers
per Para
3-9
in TM
±²³4´5²646µ³0.
Push the switch p±unger in and out
whi±e you ±ube unti± the p±unger moves
easi±y. »n humid, sandy areas, ±ube the
switches more oFtEn. And ±ube 'em
again a¼er you wash the vehic±e.
As part oF your B½¾OR½ PMCS,
make sure a±± the ±imit switches are
sa¿ty wired. SaFety wire keeps the
switches ¸om getting out oF adjustÀ
ment. Vibration during travel Áreaks
saFÂty wire.
FEB 8¶
Boom ContRol
ÃeFÄre ±oading and un±oading the
ÅauncHer
Åoader
Modu±e
(ÅÅM),
make sure the boom cont·ol cab±e is
routed tight through the brackets on
the reÆÇ oF tHe LÅÈ. »F the cable's
slack, it catches on the reÆr oF the veÀ
Hic±e and snaps of.
THE ±OOM ²ON³´Oµ ²a±¶E ·HOu¶d
´uN ³H´OugH ±´a²kE³· WI³H NO ·µa²k
¸AshinG Up
Éash careʱ±y. Water is poison to
parts oF your MËRS .
.. like the ½lecÀ
tronic Unit (½U) or other e±ectronic
components. Keep water away ¸om
them. Cover the ½U with plastic du·ing
cleaning.
Use high pressure wate· to c±ean the
tracks on! y. ¾or the rest oF the vehic±e,
use water at
50
ÌS» o· ±ess.
To clean the vehicle, park on an inÀ
cline with the ¸ont up so water drains
to tHe rea· and out the d·ain ho±es.
To clean the launcher, elevate the
modu±e to
´00
mils and open the tH·ee
·ea· doors. That keeps water ¸om co±À
leÍting inside the launcher that wil±
short out electronic units.
TuÎ tHe MLÏS around to clean the
engine compartment so water drains to
the ¸ont.
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