PS Magazine - TB 43-PS-563

PS, The Preventative Maintenance Monthly

ISSUE 563

OCTOBER 1999
PS Magazine - TB 43-PS-563 - Page 33 of 34
hen taking AOAP samples from your ground equipment for the Army Oil
Analysis Program (AOAP), you want to get it right the first time. If the lab
doesn’t get good samples, you wind up taking another one.
To get it right, you need the right equipment. To make sampling easy, many
components are equipped with a special sampling valve, installed according to
instructions in your equipment TM.
To take a sample with a valve, you may need to start the engine to pressurize
the system. Once the oil starts to flow, flush a small amount of oil from the line
to clear out contamination, then fill the sample bottle from the valve.
PS 563
58
OCT 99
Army Oil Analysis Program . . .
bye
!
have
a nice
trip
!
write
when
you
get
there
!
don't worry!
you'll get a
letter
if i'm
cont
aminated
!
Take the pump method sample
like this:
1.
If the equipment hasn’t been
operated for the past 30 days, or
if new oil has been added, run
the equipment to normal operat-
ing temperatures.
2.
Rest the tubing on the dipstick.
Put a mark on the tubing where
the dipstick ends. Measure about
10 inches beyond that mark be-
fore cutting the tubing.
3.
Loosen the T-handle on the
pump. Insert the tubing about two
inches into the pump head, mak-
ing sure the tubing goes about
1
/
4
inch into the bottle. Tighten the
handle just enough to grip the tub-
ing firmly.
If your vehicle doesn’t have a special sam-
pling valve, then here’s what you need to
take an oil sample using the pump method:
4.
Attach the bottle to the sam-
pling pump.
PS 563
59
Sampling bottle, (non-aeronautical),
Oil sampling pump,
Tubing,
1
/
4
-in OD,
Push tubing about
1
/
4
inch into bottle
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