PS Magazine - APRIL 1980
PS, The Preventative Maintenance Monthly
ISSUE 329
APRIL 1980
-
CANNON PLUGS
-
The cannon
plugs on the
XM21
computer and on
the ±²/Vv³´2 lµser rangefinder
compone¶ts must be inserteD and
lo·ked in a special way. They are
neither push¸to´¹ocK plugs nor ·onº
»entional threaded plugs. They are
1±-
turn plugs.
This means you mu¼t get the blue
a¹i½ement marks In a straight ¹ine and turn to the right to ¹ock it in place. ¾f
then ¿ush the malE plug straight into you try to do it Àny other way you'¹¹
I·±²³
the Female plug. ±fter you get the bend the pins, which Áan deadline your
I,!
male plug seated, you turn its co¹lar
²³
»ehicle.
9-2350±253±²0
te¹¹s you how to get the
front therma¹ jacket on and off.
The jacket is supposed to keÂp the
temperature of thà tube constant so
the muzz¹e Äoesn't droop When it gets
hot.
The ¹ongÅ slits are fÆr letting
moisÇure conÄensed from the air drip
out. ²ow that you know what they're
for, you won't maKe the mistake of slits are at the side insteaÄ of hÈ»ing
attaching the therma¹ jacket so the them fa·e the bottom as Éhey shou¹d.
CLAMÊSË
The c¹amps
on both the front and rear thermal
jackets must be torqued to
96
inchÌ
pounds. This appliÍs to a¹l clamp bo¹ts
for boÉh fronÉ anÄ rear JacÎeÉsÏ Ðn¹ess
these bo¹ts are secured, the thermal
Jackets ·aÑ Be crackeÄ and daÒaged
_
when the main gun is fiRed.
GUN ÓÔAÕÖL ×OCØ
-
The right
way to put the gun of any taÙÚ in tra»el
lo·K is by using
2
crewmen. ÛnÜ
operates
the
manual
e¹e»aÝ
tion/tra»erse controls Þn the turret
whi¹e the other ho¹ds the tra»e¹ ¹ock.
ßrewmen on the
m60A3
wi¹l
à
ha»e no
problem getting the gun in and out of
tra»e¹ lock if they do iá correct¹y, with
2
men. â»oid bumping the thermãl
jackets against hard/sharp objäctså
-
±
±
²
I
.
GUNNæÔçS PæÔèSCOPæ M118æ1
=.³
MOUNé -
êe»er open Éhis Òount
.
´,
ë
co»er By prying on it froÒ ouÉsiÄe ÉHe
ÉanÎÏ ìoiíg Éhis caí Bend Éhe
operating shaft. Ûpen aíÄ î¹ose on¹y
By using the operating ïand¹e.
-·±
ðñò
M119 MOUóé ôõUSö GUA÷ø
µ
¶
øOOÔ
-
This doo: has no mecïanù
-
±
²
³
²
´
³
ica¹ stop so there is nothing to Îeeú iÉ
ë
ûrom Beiíg opeíeÄ Éoo WiÄe from Éhe
outsiÄe. üoing Éhis wi¹¹ stýetch (or
e»eþ BreaÎ) the súring Éhat oúens aíÄ
closes Éhe Äoorÿ This Äoor sïou¹Ä Be
ûor ÉĀe
´8µ
ÒaîĀiíe guí ÒusÉ Be
aÄjāsteÄ to
5
'
inches BetWeeí
Ă
Éhe
sWiÉîh anÄ the outerÒosÉ ¹iÒiÉs of Éhe
inÉerior of Éhe ammo Box. ¾f it is íot
adJusted Éo Éhis Äistanîe, the firing
circāit may noÉ WorÎ righÉ.
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