Traction Motor Service
15
14
120
(13.6
to 140 in--lb
to 15.8 N--m)
1
3
1
12
11
3
10
2
5
4
6
7
18
(2.0
to 22 in--lb
to 2.5 N--m)
8
9
Figure 56
1.
2.
3.
4.
5.
Frame and field assembly
Armature
6.
7.
8.
9.
Cap screw (8 used)
Brush (8 used)
High temperature sensor
Headband
11. Commutator end head
12. Bearing
13. Retaining ring
14. Brush spring (8 used)
15. Brush box
Brush lead (2 used)
Cap screw (2 used per brush lead)
Cap screw (4 used)
10. Bolt (4 used)
Disassembly (Fig. 56)
5. Remove the retaining ring and press bearing from
the commutator end head. Discard the bearing.
1.
2.
Unlatch and slide headband from traction motor.
Pull back the brush springs and latch them in the
open position on the spring holders. Slide brushes from
the brush holders.
CAUTION
When using compressed air for cleaning motor
components, follow all safety instructions, in-
cluding wearing eye and respiratory protection.
3.
armature from the commutator end head and frame and
field assembly (Fig. 57).
Use an arbor press or a bearing puller to remove the
6.
dirt from the commutator end head and the frame and
field assembly using clean, oil free, compressed air.
Carefully blow outany accumulated carbon dustand
4.
endheadtotheframeandfieldassembly.Removecom-
mutator end head from frame and field assembly.
Remove four (4) bolts that secure the commutator
Electrical System
Workman MDE
Page 3 -- 38
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|---|---|
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| Language | English |
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