PS Magazine - TB 43-PS-577
PS, The Preventative Maintenance Monthly
ISSUE 577
DECEMBER 2000
7
DEC 00
T
here’s a sure-fire way to prevent
damage to the material-handling equip-
ment controls on FMTVs.
Do not reel in the winch cable too
fast. Left loose and reeled in at full
speed, the cable can whip—move side-
ways—with a lot of force.
The MHE controls are in the way
and unprotected. The whipping cable
breaks off sending units.
Prevent damage by simply bringing
in the cable slowly.
ou may not know it, but the pivot points for the cab hydraulic cylinders on
your FMTV get no lube. You got it—
none
, nada! But that’s going to change
because they need lube!
New versions of cab cylinders with grease fittings to lube between the cylin-
der eye and the pivot pin are in the works. But here’s what you need to do now to
prevent damage that could let the cab fall.
The next time you raise the cab, get out the oil can and squirt some OE/HDO
on the eye and pin as the cab is lowered back into place. Do this at least monthly
as part of regular PMCS. Make a note of the service in your -10 TMs until they
are updated.
If you have not inspected the lift cylinder according to TACOM Ground
Precautionary Message 00-007 (May 00), get a copy and do the inspection
now
.
You’ll need to remove the cylinder, clean up the inner mounting surface of the
cylinder eye and the mounting pin, and apply some molbydenum disulfide
grease.
Turn to Para 19-10 of TM 9-2320-365-20-4 or Para 19-11 of TM 9-2320-366-
20-5 for details on removing and installing the cab hydraulic cylinder. You’ll
need to make and use a cab support tool, too. Plans for it are found as Item E-4
in Appendix E.
Once you’ve got the cylinder off, clean the cylinder eye and mounting pin.
Look for pitting and cracks on all surfaces. If the pivot pin has any cracks or is
severely pitted, it must be replaced. See the GPM for details on all pivot pin
damage.
FMTV . . .
Check mount pin and cylinder
eye for pitting and cracks
Once the surfaces are clean, apply a
film of molybdenum disulfide, NSN
9150-00-935-4018, to them. Reinstall
the cylinders, and you’re good to go.
Then, every month put OE/HDO on
the eye and pin locations.
time
to
raise your
cab
!
no way!
not until
you
lube
the
pivot points
for
the hydraulic
cylinders!
...sending unit
Retract cable slowly
to avoid breaking.
..
please,
spare
the
whip!
Winch Slow,
Save MHE
Control
7
DEC 00
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