PS Magazine - TB 43-PS-713

PS, The Preventative Maintenance Monthly

ISSUE 713

APRIL 2012
PS Magazine - TB 43-PS-713 - Page 5 of 33
6
PS 713
APR 12
± My±team±developed±an±easy,±low-cost±
solution±to±this±problem±that±we±use±every±
time±we±transport±the±howitzer:
1.
±Make±sure±the±retaining±spring±is±tight±
and±in±place.
2.
±Get±your±mechanic±to±use±his±safety±
wire±pliers±to±secure±the±retaining±spring±to±
the±cam±with±.041±gage±safety±wire,±NSN±
3.
±Make±checking±the±safety±wire±part±of±
your±safety±checks±when±hooking±up±the±
howitzer±for±towing.±Then,±double-check±
the±safety±wire±again±when±you±secure±the±
stabilizer±arms±for±the±return±trip±after±firing±
or±emplacing±the±howitzer.
± ±
± ±
±±±±±±±CW3±Harold±R.±Peck,±Jr.
± ±
±±±±±±±SGT±Elias±Martinez
± ±
±±±±±±±SPC±Maurice±Sparks
± ±
±±±±±±±B±Co,±702d±BSB,±4/2±SBCT
± ±
±±±±±±±Ft±Lewis,±WA
Dear±Editor,
± We’ve±had±a±couple±of±close±calls±lately±with±the±stabilizer±arms±on±our±
M777A2±howitzers±coming±free±and±swinging±out±during±transport.±Those±
arms±can±swing±out±pretty±far,±so±needless±to±say,±it’s±a±real±danger±to±
anyone±on±the±side±of±the±road±as±well±as±to±any±traffic±passing±by.
± The±locking±lever±retaining±spring±hooks±under±a±cam±to±keep±tension±on±
the±locking±latch.±If±that±spring±pops±loose,±the±locking±latch±releases±and±
the±stabilizer±arm±swings±free.
M777A2 Towed Howitzer…
Secure Those Flapping Arms!
If spring pops loose from cam…
…and stabilizer arm can
swing free during towing
…there is no tension on locking latch…
Keep retaining spring in place with safety wire
that’s a
quick
and
easy
fix to
a
potentially
dangerous
problem!
that was
dangerous!
look out!
I coulda
been
killed!
good work,
gentlemen!
yeeow!
713 06-07.indd
1-2
3/7/12
5:30 PM
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