PS Magazine - SEPTEMBER 1975
PS, The Preventative Maintenance Monthly
ISSUE 274
SEPTEMBER 1975
The first chance you SNake HaNdlers
get, eyebaLL the guard coveriNg the
piLot's aNd guNNer's weapoNs jettisoN
switch. There's No staNdaRd pLace to
attach the breakabLe copper safety.
Some iNstrumeNt paNeLs have a
bolt, or tab, for attachiNg the copper
OtHer guards have beeN safetied
under the jettisoN switch Nut-that±s
the problem. ²eaviNg the Nut Loose to
avoid breakiNg tHe wire wiLl cause the
sWitch to Loosen³ IN an emergency, the
creW doesn±t have time tC fumbLe
around. The switch has to be secure.
So, here´s aN attachmeNt metHoD
recommended
by
the
AviatioN
Systems µommaNd:
¶eactivate t·e jettisoN sYstem per
para 14¸6b iN TM 55¹1520¸22º¸20
(Sep 7»)¼
¶riLL 2 HoLes below the switch
guard.
54
I/s"
LOOP STEEL
SAFEtY WIRE THRU
HOLES .±.
± ± . TWiST ENDS
TOGETHER ON
BACKS i DE OF PAN EL
- .
±²
³´µ
_V
"L
²
DriLL
2
0¶046
DiA³ HOLES
i
4
I
BELOW sWITCH GUarD
uSE BREAKABLE
COPPER ELECTRiCAL
WIRE .±.
..´ AnD safETY sWµTCH
TO stEeL Wire
²oop a 2¹iN loNg piece of 0.042½iN
steel safety wire thru the hoLes. ¾S¾
9505¹00¹804¸3814 wiLL get ¿ou a 1ÀLb
roLL of NoN¸eLectricÁL steel wire. Twist
the wire eNds together on the Backside
of the paNel.
Safety the switch guard to the steeL
wire using 0.020¸i breakabLe copper
eLectriÃaL
wÄre.
¾S¾
6145¸00¹236¹
9503 wiLL get you a 1¸Lb roLL.
"RATED±
PERSONNEL
ONLY
ÅÆenever a mainteNaNce operatioNaL check requires that a chopper eNgiNe
be craNked up, sigNal your favorite tÇrottLe jockey. The miNimum crew caLLed
for in the piLot's pub is NeedEd to operate eNGiNes and rotorsÈ ¶A Éessage
¶AÉO¹O¶U 13
l
738Z Éar 75 gave the word to your coÊmand¼ µhaNges to
AË 95¹1 on generaL provisions, aNd ÌÉ 55¸1500Í328½25
managemeNt, are iN the works.
f
I
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