TP-6953 7/19196 Section 11 Alternator Component Testing and Adjustment
7. Repeat steps 2- 5. Replace the FRX activator
board if it fails either test.
1. Flashlight
2. FRX activator board
3. Fuse (1 amp)
2
AC1
AC2
AC3
FN
FP
GM98939-1-/TP- 6783-3
1
3
4
5
6
4. Switch DPST
5. 120 volts AC plug
6. 120 volt/100 watt lamp
Figure 11 -8 FRX Activator Board Test B
11.5 Exciter Armature Test
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.
Hazardous voltage.
Can cause severe injury or death.
Operate the generator set only when
all guards and electrical enclosures
areinplace.
Moving parts.
WARNING
High voltage test. Hazardous voltage can cause severe
injury or death. Follow the instructions of the test equipment
manufacturer when performing high-voltage tests on the rotor
or stator. An improper test procedure can damage equipment
or lead to generator set failure.
Accidental starting.
Can cause severe injury or death.
Disconnect the battery cables before
working on the generator set.
Remove the negative (- ) lead first
when disconnecting the battery.
Reconnect the negative (- ) lead last
when reconnecting the battery.
WARNING
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