THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL
Effective: 05/05/04
10 - 5
BATTERY OPERATION
Battery operation is controlled by a battery switch, placarded BATT-ON-OFF, located on
the switch panel in the cockpit. The battery is capable of assuming the complete
electrical load for a limited time at 70 amps max.
The batteries are located on the battery plate assembly on the engine mount aft of the
engine. They are installed with two-battery hold down rods through the battery cover.
The battery case is vented overboard to dispose of any electrolyte or hydrogen gas fumes
discharged during normal charging operation. Air enters the battery compartment from
an air scoop located in the left cowl shin skin, circulates throughout the battery
compartment, and exists through a vent in the battery and drains overboard through a
vent located on the belly skins.
BATTERY REMOVAL
A.
Verify that the BATT-ON-OFF switch is off. Disconnect external power.
B.
Remove R.H. aft cowl skin.
C.
Disconnect the quick disconnect from the battery and remove all safety wire.
D.
Disconnect vent tubes.
E.
Remove nuts from battery hold down rods and remove batteries from
compartment.
BATTERY INSTALLATION
Reverse battery removal procedure.
VOLTAGE REGULATION
The generator output voltage is regulated by the voltage regulator circuitry. By using an
integrated circuit comparator amplifier with a regulated reference voltage, and difference
between the reference voltage and the generator voltage is amplified and supplied to the
comparator circuit, which controls the shunt field excitation of the generator. Prior to
installation, the voltage regulator is adjusted under NO load condition to maintain 26.5±.2
volts DC generator output voltage. After installation, the generator over voltage control
should be adjusted to 27.5 VDC generator output voltage at the bus with normal systems
turned on.
VOLTAGE REGULATOR REMOVAL
Gain access to the voltage regulator by removing R.H. aft cowl skin. If removal is
necessary, proceed as follows:
A.
Verify that the battery switch is OFF, that the external power is disconnected, and
that the batteries are disconnected.
B.
Disconnect the retaining clips from the voltage regulator and remove voltage
regulator from voltage regulator base.
VOLTAGE REGULATOR INSTALLATION
A.
Verify that the battery switch is OFF.
Содержание S2RHG-T65 TURBO THRUSH
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