Figure 3-18. Pump motor brushholder and field connections.

TM 10-3930-609-35

Apply bushing, insulating washer, external insulator,

c. Attach insulator and rocker plate to brush

flatwasher, insulating washer and two jamnuts to

mounting ring with flathead screws.

exposed end of field terminal.

d. Mount rocker plate and brush mounting ring

h. Insert threaded end of armature terminal

inside front yoke with two machine screws, lockwashers,

through jumper, through second hole in internal insulator

flatwashers and nuts. Before tightening nuts, position

and insulating plate and through "A2" hole in front yoke.

brush mounting ring so that machine screws are

Then apply insulating washer, bushing, insulating

centered in slots in brush mounting ring.

washer, second hole of external insulator, flatwasher,

e. Insert ball bearing in bearing bore of front yoke.

insulating washer and two jamnuts to exposed end of

f. With match marks on front yoke and motor ring

armature terminal.

alined, secure front yoke to motor ring with four

i. Carefully insert armature commutator end first)

capscrews and lockwashers.

into motor ring, guiding armature shaft into bearing in

g. Insert threaded end of field terminal through

front yoke; then, install retaining ring in groove at front

terminals of field coils, through insulating washer,

end of armature shaft.

through one hole of internal insulator, through one hole

in insulating plate and through "S1" hole in front yoke.

Figure 3-18. Pump motor brushholder and field connections.

3-33