PS Magazine - TB 43-PS-726

PS, The Preventative Maintenance Monthly

ISSUE 726

MAY 2013
PS Magazine - TB 43-PS-726 - Page 4 of 33
4
PS 726
MAY 13
Loose
Torque Rod
Locknuts
Cause
Deadlines
± For±
your±
FMTVA1P2±
LTAS±
truck,±
use±
the±
maintenance±
instructions± found± in± the± Rear±
Torque± Rod± Replacement± work±
package±
of±
TM±
9-2320-333-
14&P±(EM±0294,±Jun±12).±And±for±
your± M1095± trailer,± refer± to± the±
maintenance± guidance± in± WP±
0097±of±TM±9-2330-394-13&P.±
± By± the± way,± if± inspections±
reveal±
missing±
nylon±
insert±
locknuts,± Oshkosh± will± replace±
the±
missing±
hardware±
free±
of± charge.± They’ll± even± cover±
shipping.±Just±call±Jim±Erickson±at±
920-235-9151,±ext.±22744,±or±John±
Dykstra± at± 920-235-9151,± ext.±
27185,±for±assistance.±Or±email:
jerickson@defense.oshkoshcorp.com
or±
jdykstra@defense.oshkoshcorp.com
Y
ou± want± to± avoid± problems± while± driving± your± FMTV,± or± any± other± vehicle± for±
that±matter.±After±all,±losing±control±of±your±vehicle±can±quickly±turn±a±good±day±into±a±
bad±one.±
± If±you±haven’t±already±heard,±a±production±error±caused±some±FMTVA1P2±LTAS±6X6±(3-
axle±variant)±trucks±within±the±serial±number±range±of±720,001-744,192±and±M1095±trailers±
within±the±serial±number±range±of±720,038-759,324±to±roll±off±the±line±with±improperly±
tightened±torque±rod±nylon±insert±locknuts,±NSN±5310-01-434-0078.±The±vehicles±have±
four±individual±torque±rods±secured±by±eight±nylon±insert±locknuts.±If±these±locknuts±are±
not±installed±and±torqued±properly,±the±individual±torque±rod±could±separate±from±the±
truck±or±trailer,±putting±you±at±risk±for±a±loss±of±control,±rollover,±and±collision.±
± By±now,±the±corrective±measures±provided±in±TACOM±SOUM±12-015±and±TACOM±SOUM±
13-005±should±be±completed.±But±if±they±haven’t±been,±or±if±you±encounter±loose±torque±
rod±locknuts,±here’s±what±you±should±do.
Color Coding
See±any±green±or±blue±markings±on±the±locknuts?±Then±your±truck±or±trailer±is±good.±
But±if±you±don’t±see±these±marks,±a±green±mark±is±needed±after±your±vehicle±gets±a±passing±
inspection,±or±when±corrective±actions±have±been±completed.±Mark±each±torque±rod±nylon±
insert±locknut±with±a±small±green±marking.±
± If± blue± torque± seal± markings± have± been± applied± to± all± eight± locknuts,± Oshkosh± has±
already±inspected±the±vehicle.±If±your±truck±or±trailer±serial±number±is±within±the±ranges±
we±gave±you±earlier,±and±your±unit±hasn’t±given±a±status±report,±make±sure±you±follow±the±
guidance±in±TACOM±SOUM±12-015±and±TACOM±SOUM±13-005.±
± Eyeball±both±safety±messages±to±get±the±full±scoop±on±the±loose±locknut±issue.±They’re±
available±online±at:
Check for Extending Threads
± Immediately±
inspect±
your±
FMTV±LTAS±6X6±truck±and±M1095±
trailer±to±see±if±each±torque±rod±
nylon±insert±locknut±has±threads±
that± are± visible± beyond± the±
locknut.± A± properly± tightened±
nylon± insert± locknut± will± show±
1-3± threads± exposed± past± the±
nylon±lock±feature.±
± You±
won’t±
see±
extending±
threads±
if±
the±
locknut±
is±
improperly±torqued.±That±means±
your± truck± or± trailer± is± non-
mission± capable± (NMC)± until± all±
the± nylon± insert± locknuts± have±
been±properly±torqued.
FMTVA1P2±LTAS,
M1095±Trailer…
Correct
±
torque±nut,±
1-3±threads±
visible
Incorrect
±
torque±nut,±
no±threads±
visible
Both±sides±of±vehicle±are±identical,±
with±4±control±arm±nuts±per±side
what a
smooth ride.
I’m having a
good day!
now I’m
having a
bad day.
uh-oh!
what’s
happening?!
I’m
losing
control!
726 04-05.indd
1-2
4/5/13
3:37 PM
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