PS Magazine - TB 43-PS-664
PS, The Preventative Maintenance Monthly
ISSUE 664
MARCH 2008
52
PS 664
MAR 08
53
PS 664
MAR 08
O
ne grease ftting can make the diFFerence between productive construction
operations and an earthmover broken down at the work site.
Without lube, the swing
arm
seizes,
causing
the
suspension to break apart.
In Southwest Asia, several
earthmovers have bit the dust
that way. Their suspensions
Fell apart like an igloo in the
desert!
The grease ftting is a little
tricky to fnd. It’s located
behind
the
bogie
cylinder
accumulator on the swing
arm, Facing toward the Front
oF the vehicle. There’s one on
each side oF the vehicle.
So, lube both swing arms
weekly or every 50 hours oF
operation. You’ll fnd this inFo
on Page 125 in TM 5-2430-
200-10,
and
the
complete
lube chart on Page 104.
C
heck the seatbelt to
make sure its buckle and
clasp work. If the seatbelt
is frayed, damaged or does
not fasten, adjust, retract
or operate, the vehicle is
non-mission capable.
So, while sitting in the
driver’s seat with the seat
in its highest position, pull
and hold the seat’s height
adjustment lever. If the seat
does not drop to its lowest
position, or the adjustment
lock is broken or missing,
the vehicle is non-mission
capable.
Remember, these checks
are necessary! If not done,
severe injury or death could
happen if the earthmover
rolls over.
DEUCE…
Avoid
Swing Shaft Arm
Meltdown
M9 ACE…
Seatbelt
Check
ohhh…
my
suspension
has
collapsed
like a
house of
cards!
Keep swing (shaft) arm lubed
you’ll find the
grease fitting back
and down here.
operators, do
the following
checks
before
earthmover
operations.
Do buckle
and clasp
work?
Does height
adjustment
lever work?
you can’t write
me a ticket for
not wearing a
seatbelt!
I can and I did!
664.52-53.indd
1-2
2/4/08
12:39:51 PM
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