PS Magazine - TB 43-PS-676
PS, The Preventative Maintenance Monthly
ISSUE 676
MARCH 2009
10
PS 676
MAR 09
11
PS 676
Cab Structure Inspection Guidance
Inspect your RACK-equipped FMTV truck’s cab structure by lowering the front grill
cover. Then visually inspect the cab skin and structures surrounding the radiator.
Single or multiple cracks in this area can’t be
longer than three inches.
If they are, the
cab needs
immediate
repair and installation of a new RACK support repair kit.
On the other hand, if cracks are
less than three inches long,
mark the end points of the
crack or cracks. Then inspect these cracks during each operator-level PMCS to watch for
increased cracking. Repairs should be made as your mission permits, but you have to ±x
these cracks
within 90 days.
Inspections Needed
Visually
inspect
all
RACK-equipped
FMTVs for cracks at the next operator’s
PMCS. Any cab found to be cracked will
need a new RACK support repair kit
installed as soon as tactical conditions
permit. Quali±ed inspectors will evaluate
the severity of all cracked cabs. Technical
inspectors
(TIs),
TACOM
logistics
assistance
representatives
(LARs),
and
unit commanders will determine the
serviceability of any cracked cabs.
Cabs that show
no
evidence of cracking will be retro±tted with RACK support repair
kits during their normally scheduled rotation into the Theater Provided Equipment
Refurbishment (TPER) program.
Cab Pivot Block Area Inspection
Visually inspect both cab pivot block areas where they attach to the pivot block frame
for cracks. If cab mount cracking exceeds
3
/
4
inch in the pivot block mount area, your
FMTV truck needs
immediate
repair! So mechanics, eyeball this link to ±nd out how to ±x
cab mount cracks:
Is There a Crack in Your RACK?
tacom ground precautionary
action (gpa) message 08-018
tipped units off to a problem
with cracking fmtv radian
armor cab kits (rack).
by now, they should
have complied with the
instructions in that
safety message.
but if not,
here’s the
4-1-1 on the
problem
and
the field
maintenance
solution.
a growing number
of rack-equipped
fmtvs are showing
fatigue cracks in
the cab structure.
extended use of
these rack cabs
caused these cracks,
and they
must
be
fixed before they
crack beyond repair.
Front cab radiator area prone to cracking
Eyeball pivot mount area
Notice mounting bolts have shifted!
Pivot mount cracking?
Loose
bolts?
What’s
up with
him?
Ahhh, his cab
is apparently
cracking up.
I’m not a
truck…I’m
a
tank!
FMTV…
676.10-11.indd
1-2
1/30/09
10:28:00 AM
Click here for a copy of this article to save or email.
Back to Top Back to Top
