PS Magazine - DECEMBER 1979
PS, The Preventative Maintenance Monthly
ISSUE 325
DECEMBER 1979
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Expandable Shelters .±±
MUST Pm
Keeping
water out of
the
honeycomb panels on your expan-
dable and multi±purpose shelters is a
m²u²s²t!
Para 4C50, TM 10²5³10²221±1³/1
(Sep 76) ha´ the poop on fixing small
holes,
tears
n
cracks
m
the
aLuµinum²faced foam filLed
honeycomb
panels.
Water¶soaked
honeycomb panels come apart·
You shouLd repair any damaged
area in the ¸Exterior walLs, top or floor
of the shelter as soon as possible to
keep water away from the honeycomb.
If you have to wait a short ¹peLL
befoRe you cAn fix a hole permanently,
use strips of 2²in wide masking tape
NSN 7510±00±266²6715 to patch the
paneLs· Don't rely on this temporºry
fix with tHe tape to keep water out of
the honeycomb fOrever· »epair ¼he
spot with repair parts kit NSN 5410½
01²057²9912 as soon as you can
schedule it·
Focus your PM peepers on the
outside walL area near the Leveling
jac¾s. This¿s where you¿re most likely
to have Àamage. Ány sig of th
Ã
Ä
supports coming loose from the wa s
and you use the tape pronto·
Keep each jack assembLy fulLy
RetracteÅ Æup
positionÇduring
transport or storage. This wilL help
stop damage to tÈe pAnels.
But no matter where or wnen you
find a crack, tear or hole in the shelter,
mAke a big PM effort to keep water out
of the honeycomb
É
paneLs·
l
5
4
"
J(\
25-Ton GRov² C³an² ´.µ
Hydraulic pu²³ pM
Ênce is enough! That's right· Mechanics shouLd make a one²time inspection
foR loose nuts on the main hydrAuLic pump of the ËÌÍ Grove ModeL ÎS 300Ï
5, 25²ton Ìrane.
Some mountiÐg nuts thAt hold the pump drive, engage²disengage cableÑ
mounting brAcket to the inboaRd pump hAve been torqued onLy finger²tight!
That's about 180 Lb±ft shy!
You couLd wind up with oil Leaks, puÒp damage and ruined sealsÓ Ìheck
those nuts now with a torque wRench and tighten them to 200 Lb²ft.
55
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