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 TM 55-1925-204-12
1.
Tip. main contact
11.
Spring
2.
Finger. main
12.
Spring
3.
Spring, main finger
13.
Spring
4
Spring. helical
14.
Finger
5
Contact
15.
Contact
6.
Spring
16.
Spring
7.
Contact. heater
17.
Finger
8
Coil. relay
18.
Diaphragm
9
Contact. relay
19.
Spring
.
10.
Contact. fingers,
Figure 4-14. Motor controls.
(5) Cleaning, inspection and repair.
(e) Inspect brushes for wear. Replace brushes
(a) Wash all pump parts in clean fuel oil
when less than 3/8 in. extends from holder.
(f) Inspect armature for scoring, or
and wipe dry. Inspect impeller and shaft for wear or
bends.
excessive wear. When armature is defective, replace the
(b) When impeller and shaft is defective,
motor.
(g) Clean motor controls with ships
replace the pump.
(c) Wipe dust and grease from electrical
service air,
then test
components
for electrical
serviceability.
Replace defective components as
parts with a cloth dampened in fuel oil, then wipe dry.
required.
(6) Reassembly of motor. Reverse the
in turning, or other defect. Replace defective bearings.
4-26
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