PS Magazine - JUNE 1986
PS, The Preventative Maintenance Monthly
ISSUE 403
JUNE 1986
Nuts and Bolts
Never take the M240 backplatE
apart for cleaning-some of tHe 11
buffer washers could get Jost. With±
out all the washers, the backplate
takes a beating from the bolt and
operating rod.
Keep an eye on the nut, screw and
spring tension washers of the trigger
and frame assembly² Tighten the
nuts before and after firing witH
adjustable wrench, NSN 5120³00³
264³3796. It's part of your vehicle
B´L.
If the washers lose tension or the serrated sides wear sµooth¶ nuts back off
and the trigger and frame assembly starts to come aPart·maybe dUring
firing.
If a nut keeps loosening, have yoUr armorer replace wasHer¶ NSN
5310¸00¹595³7237.
Crushed by Carelessness
Be sure the º240 cover assembly is down before lowering the º 1 cannon.
If the cover's up, it will be crushed against tHe turret ceiling² Never fire a
gun with a crushed cover.
CHeck the µounting quick release pins before µoving tHe º» cannon²
ºake sure tHe pins are fully in the µount holes.
A
loo¼e pin can ¼nag on tHe
gunner's auxiliary sight and break the pin or ¼ight²
8
JU±E 86
Steady'² the Word
.
Your º240 charges best by a
steady pull to the rear. If you do a
yank¹and¹jer½nu¾b¿r, you can wipe
out the charger cable.
Àhen yoÁ RÂmove youR ÃÄ40C
For cleanÅngÆ Çut a FÈw DroÇs oF CÉÊ
on th moÁnt's
³Z
anD ËÉ ÌoresÅght
knob shaFts to keeÇ th knoÍÌs fRom
freezing uÇ.
AZ knob
Use CLP
on borEsight
knob shafts
When you reµove the ÌuÎfer plate¶
first take oÎf tHe trigger housing²
That saves your knuckles²
Keep Those ´ccessories!
When you turn in the M240¶ reµove and hold onto Ïhe loader's accessory
assembly¶ Ðig 105 oÑ TM 9¹2350³255³20Ò (Óec 84). New M240's do not
come with the assembly.
Back to Top Back to Top
