PS Magazine - JANUARY 1978
PS, The Preventative Maintenance Monthly
ISSUE 302
JANUARY 1978
0f1±D
.
r0@ ±u²s³
Most electrical connectors on Army
SONUVAGun
!
NO
Wo±D!R
I
Had
To
²sE MY
vCe-grIP³ T´
twiµ¶ '·m ¸p¹º .» ,
equipment are opened by twisting.
M50 and the large connector on tHe
±owever, if you try to twist open
²
a
front, right, of the M51 are pUsh-pulls.
push³pUll type connector you'll break
it every time´
That's what's happening to some
M50 gunner's and M51 commander's
periscopes in M60A2 tanksµ
The small connector you can see
from the gunner's seat is a twist type.
4
If you try to twist them apart with
pliers, yoU'll ruin 'em¶ Never ·Se any
tool on them:
Just yoUr fingersµ
On the push-pulls the Y¸-in wide blue stripe on the plug coupling ring has got
¹o be lined up witº the keyway on the plug sheLl. If it's not, 4 small coil spriRgs
under the coupling ring may have been damaged´
»ine
l¼
the blue stripe and keyway by rotating the coupling ring on the plug
shell. ¼oU need at least 32 pounds of push force to lock the plug to tHe
receptacle ´ ½
½¾¿
ÀÁÂÃÄÅÆ:ÇÈÉ
¼ou'll have it together right if you heard a "snap¾ and you can see an orange
band at the base of the coupling ring´ ¼ou'll be able to see tHis band on¿y when
tHe coupling ring is in the forward (locking) position.
After yoU have the connector together, give about a À0Álb pull on the plug
back shell. properly mated connector will stay together´ If it separates, yoÃ
can figure itÄs broken. Get a new cable assembly´
¼ou can get at the back of the M50 periscope, wHere the push-pulÅ
connectors are, through the opening between the driver's compartment and
the turret´ Just traverse the turret to about 5900 milsµ
0±²³´µ¶·¸¹º
Q
M106A1 Mortar Bearings
»
¼
NÆN 3ÀÀ0Ç00ÈÀ00-6À58 gets you the ball Bearings listed as Item 5 Én page
½
À94 of your TM 9È2300-257Ê20P (Aug 75). TheyËre $2.ÌÍ each´
oO¾¿ÀÁÂÃÄÅÆÇÈ
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