PS Magazine - TB 43-PS-726
PS, The Preventative Maintenance Monthly
ISSUE 726
MAY 2013
23
PS 726
MAY 13
M
echanics, aircraft jack stands deserve a personal maintenance once-over before you
use them on your aircraft.
Take some time to eyeball the hydraulic pump cylinder and ram, the support
structure base and the locknuts.
Check for leaks, cracks, missing or damaged hardware and bad hoses. Check the oil
level and reFll as needed. And don’t forget the base—it’s often neglected. If the base
has casters, they should move freely and have good tread.
Make sure the jack is clean. Dirt can act like an abrasive and grind into parts, letting
corrosion eat away at your stand.
If a jack stand has a leak or you see ±uid on the ground, don’t use the stand until it is
checked out. If a stand has been repaired, make sure it passes a load test prior to lifting
an aircraft. All jack stands should be load tested once a year. Load test certiFcation is
required by Para 3 of TB 43-0142 for all lifting devices.
AGSE…
when dealing
with jack
stands,
safety
is the
first
priority.
don’t
forget
to do
maintenance
on your jack
stands!
and
that’s
bad
for
me!
otherwise
they’ll…
{KoFf KOFf}
…end
up like
us!
so
always
follow the unit
procedures in tm 55-1
7
30-
218-20p for the 12-ton jack,
nsn 1
7
30-00-912-3998.
for the
10-ton hand jack,
nsn 1
7
30-00-203-469
7
,
follow the good word
in tm 1-1
7
30-221-23P and
tm 55-1
7
30-221-12.
remember to check out chap 9 in your general aircraft manual,
tm 1-1500-204-23-9, for
more
information on
different
types of jack stands.
make a note that one
3-ton jack,
nsn 1
7
30-00-
7
34-9382, is
no
longer stocked
and its tm,
55-1
7
30-222-20p, is
obsolete.
if you have these hanging around
the hangar, turn them in to dla
disposition services.
everything you
need to maintain
this 3-ton jack is
in TM 1-1
7
30–2
7
0-
13&p.
use
nsn 1
7
30-01-
541-3186 to
replace that
jack.
for the
5-ton hand jack,
nsn 1
7
30-00-540-2343, follow
the operator procedures in
tm 55-1
7
30-219-12 and for field
repairs use tm 1-1
7
30-219-23P.
for the
5-ton
tripod jack,
nsn
1
7
30-00-516-2018,
follow the
procedures in tm
1-1
7
30-202-13&P.
726 22-23.indd
1-2
3/25/13
1:42 PM
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