TM 55-2840-231-23
3-11. Burner Drain Valve - Removal, Testing and Installation - Continued
ENGINE/Burner Drain
Valve - Continued
4. Testing
Drycleaning solvent, P-D-680,
used to clean parts is potentially
dangerous to personnel and
property. Avoid repeated and
prolonged skin contact, Avoid
prolonged or repeated breathing
of vapors. Do not use near open
flame or excessive heat. Flash
point of solvent is 100oF - 138oF
( 3
8
OC - 5
9
OC )
.
Petroleum Solvent (item 1, Appendix D).
Use approved personnel
protective equipment to protect
eyes and face when using
compressed air. Maximum
allowable air pressure for
cleaning operations is 30 psi. Do
not direct air stream towards
yourself or toward another
person.
Flush valve with
petroleum solvent.
Pass
solvent through the valve
to insure that it is open.
Blow dry with clean
compressed air.
Test valve to insure that it
closes by applying air
pressure of 8 psig (0.56 kg
sq/cm) maximum to the
valve.
Change 11
3-27