PS Magazine - DECEMBER 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 241
DECEMBER 1972
Here's something new foR you to check on your Ml09 howitzer-the front eye
•
and beaRing on the eLevating assembLy.
Some eyes and beaRings have cRacked so the head shed has decided to add t±e
eLevating assembLy to the qUarter²y c±eck points³
Make this inspection right now and repeat eveRy quaRter´ (ThE next changE
yoUr Ml09 TM manUaµ shoUµd speLL t±is out, bUt you don't need to wait³)
1. Remove your Mll8C di±ect fire te
L
escope
the waY It says on Page 430 of you± TM
9
-
235²³217´2²
µ
2¶ ·ower the ¸aiN
gun As far As it'¹¹
go and "ake out
tHe 7 screws
from tHe uPPer
±oto± sHIeLdº
8
4» Get 2 men to ¼ift tHe uPper ±oto± sH½eLd
and LAy it On the vehic¼e f¼oo±º
5º ·owe± cannon tO ² ¸
iL
s
¾
Fro¸ tHe roof of
the vehic¼e, eYeba¼¼ tHe eYe and Be¿±ing
asse¸B
L
Y fo± c±acKs
À
6
Á
Âf a New eye OÃ Bear
i
ng is
N
eeded
Ä
get one
using figs 11
4
Å
ÆÆ5Ç o± Æ16 In TM 9-
È35²-217É25Ê/2 (ËPr 69)Ì with Ch 1 &2
.
Be carefU² that you do not Rest your hand on the recoiL spade cyLinder LOk knob
whiLe the spade is b¶ing raised ·n youR Ml07 oR Mll¸ SP artiLLeRy³
If you rest a hand on onE of the spade cyLindeR LOk knobs whiµe the spade is being
raised, you can get that hand mashed between the knob and the spade cyLinder
hose gUaRd¹
So, crew membErs, keep youR hands off t±e Lock knob untiL the spade Reaches its
extReme raised position, t±en ²ock it¹
StenciL a warning in 1/2ºinch LetteRs on the fLat sUrface of the new spade cyLinder
hose guaRds (P/N ll642975), reading "Keep Hands CLear¹:'
Head Off lcecapade
AL
'hAT
±P²£N!L
on ³C´µU¶F
±-²³.
OF/1E
l
DR·1 ¸ ¹º»¼S?
WateR trapped in the cradLe bodY can cause serious damage if it's aLLowed to stay
there and freEze´ »oU gotta keEp it dRained out¹
No¼, youR Ml02 ½05¾MM towed ±owitzER Either ±as dRain hoLes in the bREec±
end of the cradLe or it hasn't¹
If theRe'Re no dRain hoLes, your sUppoRt wiL² put 'em in for yoU per TB 750¿95½¿4
(Sep 70)³
If they'Re aµready there, take out the !Àin pipe pLugs that've been bLocking theÁ³
Âither way, once yoU have dRain ±o²eà that woRk, keep 'em in shape with
a
daiLy
inspection foR obstRuction or bLockage and cLean out with a piece of stiff wire as
needed¹
²evate the weapon foR compLete dRainage afteR fording or Äther eXposuRe to water¹
9
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