Section 9 --- Electrical Systems - Chassis
The Executive 2005
392
ALTERNATOR
The alternator is designed for output through the engine operating range. When traveling, keep an
eye on the voltmeter in the dash area. Normal readings should be between 13 to 14.5 Volts DC. Voltage
indications higher or lower indicate a potential problem with the charging system. If the alternator out-
put drops below an acceptable level, a charge indication warning lamp will illuminate.
The alternator replaces amp hours the chassis battery used to start the engine. The amount of charge
the alternator sends to the chassis battery is dependent on the amount of time the engine is operated.
Repeatedly starting the engine for short periods may not be enough operating time to adequately
replace the amp hours the chassis battery uses to start the engine.
The function of the alternator is an electrical system voltage maintainer, not a battery charger. When
the engine is operating, the alternator maintains electrical system voltage relative to a load, such as
headlights and windshield wipers. When a heavy load is placed on the alternator, such as trying to
charge dead house batteries, the operating temperature of the alternator will increase. Excess operating
temperature of the alternator for extended periods of operation can lead to premature failure of the alter-
nator.
If the house batteries are in a low state of charge, it is recommended to charge the house batteries
with the inverter or an auxiliary battery charger before driving the motorhome.
NOTE:
Standard is 200 Amp and All-Electric is 270 Amp.
CAUTION:
Long-term use of the inverter to operate the microwave while in transit will damage
the alternator. Use the generator to operate the microwave while in transit.
200 Amp Alternator
090347
090347 mod electric
270 Amp Alternator
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