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ARMY TM 9-2815-255-24
AIR FORCE TO 38G1-95-2
MARINE CORPS TM 2815-24/4
CAUTION
Do not scrape or disturb teflon coating on nozzle body above carbon stop seal groove. This
coating will become discolored during normal operation, but this Is not harmful. Do not use a
motor-driven brush to clean nozzle body.
c.
After soaking, clean tip with a nylon brush.
3-29.3. Testing.
3-29.3.1 General.
Warning
The nozzle tip should always be directed away from operator. Fuel from spray orifices can
penetrate clothing and skin causing serious personal injury. Enclosing nozzle In a transparent
cover is recommended.
Warning
Before applying pressure to nozzle tester, be sure that all connections are tight, and that fittings
are not damaged. Fluid escaping from a very small hole can be almost Invisible. Use a piece of
cardboard or wood, rather than hands, to search for suspected leaks.
Warning
If injured by escaping fluid, see a doctor immediately. Any fluid injected into skin must be
surgically removed within a few hours or gangrene can result.
a.
Connect injection nozzle to a nozzle tester.
b.
Position tip of nozzle below top of beaker and back out 30 degrees from vertical. This is necessary to contain all
spray in beaker, as nozzle spray pattern is at an angle to nozzle centerline. Leave connections slightly loose.
c.
Pump tester handle for five strokes to flush air from lines and fittings and to determine pumping rate required for
proper atomization. Tighten all connections securely after all air has been expelled from nozzle and line.
CAUTION
Make sure that nozzle tester Is in-good condition and that gage works properly.
d.
Isolate test pump gage by closing valve and flush nozzle by operating test pump rapidly.
3-125
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