CESSNA
SECTION
7
MODEL
2088
(675 SHP) AIRPLANE AND SYSTEMS DESCRIPTION
ELECTRICAL SYSTEM
(Continued)
EXTERNAL POWER SWITCH
The external power switch is a three-position guarded toggle-type
switch located on the left sidewall switch and circuit breaker panel. The
switch has OFF, STARTER, and BUS positions and is guarded in the
OFF position. When the switch is in the OFF position, battery power is
1
supplied to the main bus and to the starter-generator circuit, external
power cannot be applied to the main bus, and, with the generator
switch in the ON position, power is applied to the generator control
circuit. When the external power switch is in the STARTER position,
external power is applied to the starter circuit only and battery power is
I
supplied to the main bus. No generator power is available in this
position. When the external power switch is in the BUS position,
external power is applied to the main bus and no power is available to
the starter. The battery, if desired, can be connected to the main bus
and external power by the battery switch; however, battery charge
should be monitored to avoid overcharge.
CIRCUIT BREAKERS
Most of the electrical circuits in the airplane are protected by "pull-off'
type circuit breakers mounted on the left sidewall switch and circuit
breaker panel. Should an overload occur in any circuit, the controlling
circuit breaker will trip, opening the circuit. After allowing the circuit
breaker to cool for approximately three minutes, it may be reset
(pushed in).
WARNING
MAKE SURE ALL CIRCUIT BREAKERS ARE ENGAGED
.'
'
BEFORE ALL FLIGHTS. NEVER OPERATE WITH
DISENGAGED CIRCUIT BREAKERS WITHOUT A
THOROUGH KNOWLEDGE OF THE CONSEQUENCES.
(Continued Next Page)
U.S. 7-89
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