PS Magazine - TB 43-PS-566
PS, The Preventative Maintenance Monthly
ISSUE 566
JANUARY 2000
perators, everyone knows that ex-
ercise is good for you .
..look what
it’s done for Sammy Sosa and Mark
McGwire.
It’s good for the SEE, too. Exercise
heads off hydraulic system corrosion,
keeps the hydraulic system moving
freely and lubes seals. It also heats up
the oil and creates friction between
moving parts. Friction creates heat that
gets rid of water that collects in the oil
from condensation.
Small Emplacement Excavator . . .
If your SEE is going to be stored for
several months, your mechanic should
follow the storage procedure on Page
2-36 of TM 5-2420-224-20-1.
Auxiliary Tool Warmup
In cold weather, extend the SEE’s
warmup to the hydraulic oil for the
tractor’s auxiliary tools.
Before operation, preheat the oil by
connecting the two auxiliary hose quick
disconnect couplings. Let the oil cir-
culate and warm up for a few minutes.
That way the auxiliary tools will oper-
ate smoothly right away.
Left alone, that water reacts with the
oil to form acid. Acid causes rust,
breaks down filter elements and dam-
ages valves and seals. You’ll get leaks,
pressure loss and vehicle breakdown.
Your tractor needs exercise about
once a month.
Start by warming up the engine—
idle at 750 rpm for 3–5 minutes.
That’s like the stretching you do be-
fore exercising.
Then, move on to the exercise. Op-
erate the SEE for 30 minutes. Be sure
to move every control, valve and lever
that operates the tractor’s backhoe and
Exercise heads off corrosion
front loader bucket. That’ll circulate
oil through every line and cylinder.
Finally, don’t just shut down the SEE,
cool it down. Idle the engine at 750
rpm for a 3–5 minutes while the en-
gine cools.
Remember Filters
Regular exercise doesn’t mean you
can forget the filters on the hydraulic
tanks for the backhoe and front loader
bucket. Your mechanic needs to change
the filters during scheduled services or
when the red indicator button pops up
on the service filter indicator.
ouch!
my hydraulics
are
killing me
!
how do you stay
so
limber
?
it just
takes
regular
exercise
my
friend!
Connect
couplings to let
oil circulate and warm up
PS 566
24
JAN 00
PS 566
25
Back to Top Back to Top
