PS Magazine - MAY 1978
PS, The Preventative Maintenance Monthly
ISSUE 306
MAY 1978
"±:I
A hole in the huLL of your MAB is
necessary-if it's the right kind of HoLe
and useD for the right purpose.
F±rinstance, a hoLe for draining biLge
water oveboard is a must if you want
to keep your MAB afloat. If you don't
pay attention to the pLugs, tHo, you
couLd find yourself in a water worLd.
In every MAB operation you must
check tHe drain pLugs severaL t²mes.
First, do it just before your MAB
enters the water. Para 2³1 ´b(2) TM 5³
5420³210³12 (JuL 73µ ¶as tHe Word on
this plug PM· It'S aLso speLLEd out ²n
TabLe 3³1, Prevent²ve ¸aintenance
Checks and ¹ervices.
Then, wHen you're Loading or
unloading you
º
r br²dge/ ferry veHicLe at
the dockiNG
site,
cHeck tHe drain
plugs»b²Lges-aga²n.
operations.
means
a
crewmember Has to take off ¼is L²fe
jacket and go down inside the
transporter to check 'em½
You check the Drain plugs again
after every waterborne operat²on.
This's wHen you ope¾ tHe 10-tHat's
rigHt, 10»drain pLugs and pump ¿He
bilges dry Às poss²bLe. ÁHen tHe
drying's done, tighten tHe pLugs t²ght.
Be sure tHe pLug threads are Âree oÂ
d²Rt, gr²me, bUrrs½ You wa¾t' em c
ÃÄÅ
Le
_
aƾǽ
_±
-
.
i'M GO²Ng
-,±²³
!³S´nK Am
-
•±. v
²,
µ¶· aLl
BY ¸¹º
'(
»¼½¾ o¿ÀÁ
sÂFÃ
ÄÅ
Æ
³·´
µ¶¸
¹:º
»¼½
. . notH²ng on 'em tHat'ÈL keep tHe pLugs
from making a t²gHt seaL.
58
Ç
,È
¹cÉe
;
´
He
ugs
in straight. A
p
ug
put ²n cockeÊed won't keep water out
very Long!
If you don't keep these drain pLugs
tight, you couLd take an uncalLedËfor
dunking .
.. not to mention Los²ng your
MAB and any otHer tra¾sporter tHat a socket wrench extens²on on these 2
may be p²nned to it.
You'LL ²nd
2
drain plugs in tÌe front
hatch coÍpÎrtmenÏ; 4 iÐ tHe Ñngine
compartment, a¾d 2Ò
Ó
in tHe rear
compartmeÔÕ. THese
É
drÖ²n pL×gs are
T³handLe types. The otHer
Ê
drain
pLugs. Øever dÙsco¾¾eÚt any un²t Ârom
tHe raft w²thout f²rst checking ²t for
b²Lge water. If tHe unit has water in the
b²Lges, ²t'lL s²nk LoÛer than the other
un²ts ²¾ tHe raft. Üou won't be abLe to
Hook up to ²t for tow²ng to the beacÝ.
59
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