TM 55-1730-229-12
AC 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
LOCKWASHER
SCREW
26.
1.
TERMINAL SHIELD
WASHER
2.
27.
LOAD TERMINAL (R2+)
28.
NUT
3.
LOAD TERMINAL (R2-)
WASHER
4.
29.
STARTER SHUNT R2
TERMINAL X1 (K3)
5.
30.
METER TERMINAL (R2+)
TERMINAL X2 (K3)
6.
31.
7.
METER TERMINAL (R2-)
NUT
32.
8.
LOAD TERMINAL (R3-)
WASHER
33.
LOAD TERMINAL (R3+)
TERMINAL A1 (K3)
9.
34.
WASHER
TERMINAL A2 (K3)
10.
35.
METER TERMINAL (R3-)
SCREW
11.
36.
METER TERMINAL (R3+)
12.
BATTERY OUTPUT/TRACTION MOTOR
37.
SCREW
CONTACTOR K3
38.
WASHER
TERMINAL X1 (K4)
13.
39.
SHUNT R3
TERMINAL X2 (K4)
40.
14.
SCREW
TERMINAL A1 (K4)
41.
15.
LOCKWASHER
TERMINAL A2 (K4)
42.
16.
43.
TERMINAL SHIELD
GTE STARTER CONTACTOR K4
17.
NUT
LOAD TERMINAL (R1+)
44.
18.
LOCKWASHER
LOAD TERMINAL (R1-)
45.
19.
WASHER
LOCKWASHER
46.
20.
TERMINAL A2 (K1)
WASHER
21.
47.
TERMINAL B2 (K1)
48.
SCREW
22.
TERMINAL C2 (K1)
OUTPUT SHUNT R1
49.
23.
AC CONTACTOR K1
METER TERMINAL (R1+)
24.
50.
METER TERMINAL (R1-)
25.
(3) Inspect contactor K3 (12, fig-
and terminal shield (2).
ure 4-18) and contactor K4 (17) for
signs of overheating or corrosion.
(4) Tag and remove all wires and
(4) Check that all cable and wire
cables from contactor terminals (5, 6,
9, and 10).
connections at contactor terminals
screws (5, 6, 9, 10, 13, 14, 15 and 16)
are tight.
(5) Remove two screws (11) and
contactor K3 (12).
b.
Remove.
(1) Check nutplates on bulkhead
NOTE
panel. If either nutplate is missing or
damaged, notify supervisor.
Removal and installation proce-
dures are the same for contactors
K3 and K4. K3 is illustrated.
(2) Remove screw (1) and terminal
shield (2) from replacement contactor
(12).
(1) Disconnect battery.