TM 55-1520-240-23-7
9-149.1
TEST EMERGENCY HOOK RELEASE RELAY BOX (AVIM)
(Continued)
9-149.1
4.
Connect multimeter (5) set to RX1 between
receptacle (7) pin E and receptacle (8) pin E.
Multimeter shall indicate continuity.
5.
Connect power supply (9) to receptacle (7) pins
B(+) and C(-).
6.
Connect multimeter (5) set to RX1 between
terminals C1 and C2, 11 and 12, B1 and B2, and
A1 and A2 on relay (6). Multimeter shall indicate
open.
7.
Turn power supply (9) on. Multimeter shall
indicate continuity for terminal pairs in step 6.
8.
Turn power supply (9) off and disconnect power
supply from receptacle (7).
9.
Connect multimeter (5) set to RX1 between relay
(6) terminals C1(+) and receptacle (8) pin A(-).
Multimeter shall indicate between 6 and 9 ohms.
10.
Connect multimeter (5) set to RX1 between relay
(6) terminal C1(-) and receptacle (8) pin A(+).
Multimeter shall indicate open.
11.
Connect multimeter (5) set to RX1 between relay
(6) terminal C1(+) and receptacle (8) pin B(-).
Multimeter shall indicate between 6 and 9 ohms.
12.
Connect multimeter (5) set to RX1 between relay
(6) terminal C1(-) and receptacle (8) pin B(+).
Multimeter shall indicate open.
13.
Connect multimeter (5) set to RX1 between relay
(6) terminal C(+) and receptacle (8) pin C(-).
Multimeter shall indicate between 6 and 9 ohms.
14.
Connect multimeter (5) set to RX1 between relay
(6) terminal C1(-) and receptacle (8) pin C(+).
Multimeter shall indicate open.
15.
Connect multimeter (5) set to RX10 between
receptacle (8) pins A and D and C and D.
Multimeter shall indicate between 460 and 660
ohms on each pair of pins.
9-608
