Component Testing and Adjustment 7-11TP-5648 8/93
WARNING
Sulfuric acid in batteries.
Can cause severe injury or death.
Use protective goggles and clothes. Can cause
permanent damage to eyes, burn skin, and eat holes
in clothing.
Explosion can cause severe injury or death. Battery
gases can cause an explosion. Do not smoke orpermit
flame or spark to occur near a battery at any time,
particularly when it is being charged. Avoid contacting
terminalswithtools,etc.toprevent burns and toprevent
sparks that could cause an explosion. Remove
wristwatch,rings, and anyother jewelry before handling
battery. Never connect negative (--) battery cable to
positive (+) connection terminal of starter solenoid. Do
not test battery condition by shorting terminals together
or sparks could ignite battery gasesor fuel vapors. Any
compartment containing batteries must be well
ventilated to prevent accumulation of explosive gases.
To avoid sparks, do not disturb battery charger
connections while battery is being charged and always
turn charger off before disconnecting battery
connections. When disconnecting battery, remove
negative lead first and reconnect it last.
To further check generator set components, disconnect
the battery and remove wiring harness plugs from the
controller circuit board. Use an ohmmeter to check
continuity and to isolate defective components as
described in Figure 7-9. Also refer to the proper wiring
diagram in Section 9.
NOTE
Before performing ohmmeter checks, disconnect
generator set battery to prevent damage to the
ohmmeter.
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