XM58.

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MIL-D-48350 (PA)

of 4.3.3.7, shall be tested in accordance with 4.4.8. Any

control panel assembly failing to comply with all of the speci-

fied requirements shall be classed defective and removed from

the lot. (Non-destructive test).

4.3.3.8 Firing, Markers-Singles (see 3.9) - Major Defect,

Code No. 07008. Each control panel assembly, after having

successfully passed the markers-pairs firing test requirements

of 4.3.3.8, shall be tested in accordance with 4.4.9. Any con-

trol panel assembly failing to comply with all of the specified

requirements shall be classed defective and removed from the

lot. (Non-destructive test).

4.3.4 Inspection Equipment. -Inspection equipment required

to perform the inspections prescribed in this specification is

identified in the Examination (4.3.2) and Test Method (4.4)

paragraphs herein. See 6.3 for details concerning responsi-

bilities for inspection design and approval.

4.4 Test Methods and Procedures

4.4.1 Helicopter Vibration. - The control panel shall be

tested in accordance with MIL-STD-810, Method 514, Curve M.

4.4.2 Rear Panel Connector Ground Continuity. - The re-

sistance between all ground connected pins shall be measured

using an ohmmeter. Any sample failing to conform to the speci-

fied requirement shall be classed defective.

4.4.3 Jettison Power. - Twenty-eight (28) minus four (4)

(28.0 -4.0) v.d.c. shall be applied with the positive (+) polarity

to the "Jettison Power", pin - K. Switch, S5FP, "Jettison"

shall be thrown and the input voltage (28.0 - 4.0 v.d.c.) shall

be measured at the output pins for "Left Jettison", Pin - J and

"Right Jettison", Pin - H in the rear panel connector, PIRP of

dwg. 9287814. Any sample failing to conform to the applicable

requirement shall be classed defective.

4.4.4 Control Panel Assembly Light Dimming. - Twenty-eight

(28) v.d.c. shall be applied with the positive (+) polarity to

the "+28V Panel Lighting", Pin - N in the rear panel connector

P1RP of dwg. 9287814. Switch shall be turned all the way in

the clockwise direction and all lights shall be lit. The switch

shall then be turned in the counter-clockwise direction and all

panel lights shall dim and go out when the switch is turned all

the way down. Any sample failing to conform to the applicable

requirement shall be classed defective.