PS Magazine - TB 43-PS-502
PS, The Preventative Maintenance Monthly
ISSUE 502
SEPTEMBER 1994
PositIon
The
obTuraTor
spindle rings so ThaT The spL±TS
in The Two r±ngs are aboUT
180'
aparT. Gas will eScape ±f The
Spl±Ts are d±recTly oppoSiTe
each oTher²
Keep The pump handLEs In TheiR brackeTS³ O´herwIse, TheY'll geµ LosT whEn The
how±Tzer is beIng ´owed¶
-"±
²³
M
L
,.
R;e:s´tµs
¶·
ho¸u¹cldºno»t¼½
±
·eave µhe resT
-
The wedge¸shaped
¾¿À
toUCH CaNnon tUbE
piece oF mE´aL below The cannon TUbe
¹
²
ºook aT The gUn TUbe sTowage
brac»e¼½
lf
´he ¾inIng Is missing¿
repoÀT iTÁ Âà haS To repLace iµÄ WiÅhÆ
ouÇ Èhe l
i
n±ngÉ µhe gun µube raTTles
aÊoËnd and geTs ScÌaTched upÍ ÎhaT
g±ves rusT a ÏooThoLd½
aloneÐ Ñf The long Screw has bEen TUrned
so ThaT The ÌesT iS in con´acT w±Th The
cannon TubeÒ screw ±T back down awaY
FRom µhe TUbe as Far as IT w±ll go and
leave ÓT ThereÍ ÎhaT keepS µhe TËbe From
being Scored when µhe howITZer is ÔÕredÖ
³
Keep The M139 aLignmenT moUnT cover down excepT when The M× ØÙ al±gnmenT
device Is in pos±´±on² OTherwIseÚ The doveTa±L wIll geT scraTched and become
inaccUraµe½
AlwaYs w±pe oÛ ´he doveTail beÜ
fÝÞe ±nsßalling The M àØÙÍ Make sËre
The TUbe ±S aT áeâo elevaTionã Do noT
eLEvaTE The TUbe w±äh The MåØÙ ±næ
sTallEd or YouçlL mesS up The
boÞeS±ghT¶
.±²³´
Ãe´ The COèèéCÎêON MÑëÃ
scale To
0±
beFore adjusTing The M×
7 I
M18
f±âe con´rol quadranTì
.±²³´
µj
•
µ¶
´
·
¶· - <¸¹;
'
"
º,
» ¼½
¾¿ÀÁÂ
.±²³ w ´
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