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|  MIL-S-2598OA(USAF)
4.5.1 Atmospheric.- Unless otherwise specified, all teats required by this
specification shalkl be at an atmospheric pressure of 28 to 32 inches of mercury and
@
q t a temperature of 60 to
F and q relative humidity of 80 percent or less.
Where teats are made uith atmospheric pressure or temperature substantially differ-
ent from the above values, proper allowance shall be made for the change in instru-
ment reading
q
determined from U. S.
pressure
4.5.2
shall be
Standard
Atmosphere,
4 . 5 . 3 A t t i t u d e . - Unless otherwise specified, all tests shall be conducted
with the component installed in the normal mounting attitude.
Prio to testing the float switch, all parts normally in
4 . ' 5 . 4 Cleaning.-
contact with the fuel or fuel vapors shall be thoroughly cleaned to remove all
lubricant 8, protective coatings, and foreign matter.
4.5.5 Test fluid.- Unless otherwise specified herein, the fluid used for
I and III of
testing shall conform to MIL-G-5572, MIL-J-5624, MIL-F-7024, or
Other fluids, such as fluids conforming to P-D-680 may be wed only
TT-S -735 ,
with the specific approval of the procuring activity.
- Each float switch submitted for acceptance
4
.
6
.
1
.
1
~
.
shall be carefully examined for material, size workmanship, and dimensional
requirements to determine conformance to the requirement of
a specification,
- Preparation for
4.6.1.2
delivery shall be inspected for conformance to section 5 of this specification.
~ * - The applicable teat voltage as specified in
4.6.2
table I shall be applied between circuits and between each circuit and the metal
frame of the flo at switch. Electrical current flow in excess of 2 milliampers or
b r e a k d o w n of insulation shall consitute failure.
10
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