PS Magazine - MAY 1984
PS, The Preventative Maintenance Monthly
ISSUE 378
MAY 1984
1.
l
, I
i'
1±
!
M102 Towed Howitzer .±²
Actuator crank
shear pin, NSN
53±5-00²999-±573³
is
DEsIgnED
to breaK
18
Make sure you've got the righT shear
pin in The hand crank. And, most of all,
remove stakes according to the-10 ±M²
Use the carriage staF and the sledge
hammer ³om yo´r weaponsµ
B³³´
Crews, if yo´r MI02 slams inTo bat¶
tery when yo´ fire, stop ·iring and
chEck the recoil pin fOr the right
hydra´lic oil level.
¸f the pin extends more Than 3/16 inch
on the
¹
the M37 recoil mechanism, add
more oil² ¸f The pin exTends pasT The red
Tºb on the indicaTor pin on The M37AL
recoil mechanism, add more oil²
MAY ±4
¸f the pin indicaTes the right oil level
on eiTher one, let your mechanic know
abo´t your tro´ble»
He may need To p´rge the recoil
mechanism of air and check fOr The
righT niTrogen press´re inside¼
Yo´ also need to check to make s´re
there's no grease or oil on the recoil
mechanism rails¼ ¸f there is, scr½b it oF
19
WhaTeVer yo´ do, don'T fire the
howitzer ´ntil iT's repaired² ConTin´ed
slamming inTo batTery may ca´se
serio´s damage To The howiTzer. ¸t could
ca´se The cradle To crack²
±haT means lots of NMC Time and
many dollars spenT²
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