TM 5-4520-241-14
1.
Screw
13.
White lead
2.
Washer
14.
Gray lead
3.
Lock washer
15.
Yellow lead
4.
Bracket
16.
Grommet
5.
Nut
17.
Nut
6.
Lock washer
18.
Lock washer
7.
Screw
19.
Screw
8.
20.
Transformer
9.
Nut
21.
Red wire
10.
Lock washer
22.
Butt connector
11.
Screw
23.
Black wires
12.
Terminal strip
Figure 8-3. Fuel pump power supply.
(1) Clean all electrical parts with a cloth dampened in dry cleaning solvent (fed. spec. P-D-680).
(2) Clean all non-electrical parts by immersing them in solvent. Wipe thoroughly and allow to dry.
(3) Check the transformer's operation by applying 120 VAC to the two black wires (23) on the transformer.
Check the AC output at the red wires. Voltage should be approximately 30 VAC. If not, replace the transformer.
(4) Check all leads for cracked, frayed, or broken insulation. Replace defective leads.
8-8