TP-6881 7/15110 Section 6 Disassembly/Reassembly
Disassembling the alternator
Hot engine and exhaust system.
Can cause severe injury or death.
Do not work on the generator set until
it cools.
WARNING
Servicing the alternator. Hot parts can cause severe
injury or death. Avoid touching the alternator field or exciter
armature. When shorted, the alternator field and exciter
armature become hot enough to cause severe burns.
23. Remove and check the brushes. See Figure 6-8.
Note: The brushes are spring-loaded and
captured in the brush holder.
a. Remove two screws.
b. Remove the brush holder from the end bracket.
c. Inspect the brushes. Replace brushes if they
show uneven wear or when they are worn to
half of their original size. See Section 5.7,
Brushes.
3
1. Slip rings
2. Brush holder
3. Brush(es)
4. Shim
5. Spring
GM80980
GM80981
Length New
19.0 mm
(0.75 in.)
Spring Not
Shown
5
3
3
GM80982
GM62996
2
4
1
4
2
Figure 6-8 Brush Assembly
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