TM 10-1670-296-20&P 0047 00
UNIT MAINTENANCE
ANCILLARY EQUIPMENT FOR LOW VELOCITY AIR DROP SYSTEMS (LVADS)
CONTROL BOX
0047 00-1
THIS TASK COVERS:
Inspect
Test
Repair
Replace
Tools
Nut Driver, 3/16 -IN. (Item 22, WP 0064 00)
Power Supply, 28 VDC (Item 25, WP 0064 00)
Screwdriver, Cross-Tip, No. 1 (Item 27, WP 0064 00)
Materials/Parts
Cable, Power, 20-Foot (Item 1, WP 0110 00)
LED (Item 16/17, WP 0125 00)
Personnel Required
92R (10) Parachute Rigger
Equipment Condition
Removed from system.
POWER switch in OFF position.
JETTISON SWITCH in OFF position.
References
WP 0005 00; WP 0007 00
INSPECT
Inspect the control box in accordance with WP007 00 AND WP005 00 and Table 1.
TEST
Test the LED(s).
1. Connect the P1 plug of a serviceable power cable to the J1 receptacle of the control box.
2. Connect the P2 plug of the power cable to the 28 VDC power supply.
3. Plug 28 VDC power supply cord into 115 VAC power source.
4. Turn the power supply ON. Ensure that the control box circuit breaker is pushed in.
5. Set the POWER switch of the control box to the ON position.
6. Rotate the DIMMER adjust knot on the control box fully clockwise.
7. Press the LAMP TEST switch on the control box.
8. If all four LEDs light up, return control box to service. If all four LEDs do not light up, set POWER switch
of control box to OFF and replace 20-foot power cable.
9. Repeat steps 4 through 6.
10. If one or more LEDs do not light, replace defective LED(s).
