TM 9-6115-669-13&P
a
Remove diode V8 from terminal Al of coil (4).
b.
Connect 24 VDC power supply to terminal A1 (+) and A2 (-) of contactor.
c.
Check coil (4) of contactor K3 (14) as follows: Vary voltage in range of approximately 19-24
VDC. Contactor must activate reliably.
CAUTION
Do not operate plunger (16) by hand while power supply is installed.
d. Disconnect power supply.
e.
Using multimeter to check main and auxiliary contacts for continuity as indicated in figure
6-11. Operate plunger (16) manually to energized position.
f.
Use multimeter to check diode V8 for continuity. Resistance must be infinity in reverse
direction and less than 0.3 Ohm in forward direction.
g. Attach diode V8 to terminal Al of coil (4).
a
b.
c.
d.
e.
f.
g.
h.
Place contactor K3 (14) in cabinet and install with two nuts (11), serrated lock washers (12),
and washers (13).
Install cables on terminals of auxiliary contacts and coil (4).
Install diode V8 on terminal of coil (4) in correct position.
Install six cables (8) using screws (10), washers (9), serrated lock washers (7), and nuts (6).
Tighten nuts (6).
Install six protective caps (5) in place, and fasten with a short turn of each cap screw closure.
Remove stanchion.
Stow prop (3), close access door (2) and secure.
Install stanchion by PDU (1).
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