10
ELECTRICAL SYSTEM
The electrical system includes a 12 volt alternator, battery, voltage regulator
and master switch relay. The battery, regulator and relay are mounted in a
stainless steel box immediately aft of the baggage compartment. Access for
service or inspection is conveniently obtained through a removable panel at
lower right corner of the compartment.
Electrical switches, fuses and fuse spares are located on the lower left center
of the instrument panel, and the left side of the instrument sub-panel.
Standard electrical accessories include: Starter, Electric Fuel Pump, Fuel
Gauge, Stall Warning Indicator, Cigar Lighter and Ammeter.
Navigation Lights, Anti-Collision Light, Landing Light, Instrument Lighting and
Cabin Dome Light are offered as Optional accessories.
Circuit provisions are made to handle optional communications and
navigational equipment.
Installed on the Cherokee is the F.T.P. (Full Time Power) electrical system.
Derived from the system are many advantages both in operation and
maintenance. The main advantage is, of course, full electrical power output
regardless of engine R.P.M. This is a great improvement for radio and
electrical equipment operation. Also because of the availability of generator
out-put at all times, the battery will be charging for a greater percentage of
use, which will greatly improve cold-morning starting.
Unlike previous generator systems, the ammeter does not indicate battery
discharge; rather it displays in amperes the load placed on the alternator.
With all electrical equipment off (except the master switch) the ammeter will
be indicating the amount of charging current demanded by the battery. As
each item of electrical equipment is turned on, the current will increase to a
total appearing on the ammeter. This total includes the battery. The
maximum continuous load for night flight, with radios on is about 30 amperes.
This 30 ampere value, plus approximately two amperes for a fully charged
battery, will appear continuously under these flight conditions. The amount of
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