Electrical Power - Piper Arrow IV Turbo Maintenance Manual

GENERAL.
This section of the manual contains information necessary to perform operational checks of the Emergency
Locator Transmitter (ELT), with and without a pilot's remote switch. Included are the appropriate removal and
installation instructions to facilitate battery replacement.
EMERGENCY LOCATOR TRANSMITTER.
DESCRIPTION.
The electrical power for the ELT transmissions is totally supplied by its own self-contained battery.
However, aircraft power is required to shut off transmitter with the remote switch. For portable use, the ELT
can be easily removed from its mounting in the aircraft. The replacement date for the battery is marked on the
transmitter label. The battery must also be replaced if the transmitter has been used in an emergency situation
or if accumulated test time exceeds one hour.
BATTERY REMOVAL AND INSTALLATION. (Communications Components Corp.)
The ELT is located on the right side of the airplane tail section.
1. Remove the access plate on the right side of fuselage aft of sta. 228.30.
2. Rotate the ON/ARM/OFF switch to the OFF position.
3. Disconnect the antenna coax cable (twist left, then pull outwards).
4. Disconnect the harness to the pilot's remote switch.
5. Remove the forward mounting bracket by pulling the black plastic knob out. Remove the transmitter
from the airplane.
6. Remove the six Phillips-head screws securing the transmitter cover. Remove the cover.
7. Lift out the old battery pack.
8. Copy the expiration date on the battery into the space provided on the external ELT name and date
plate.
9. Disconnect and replace with a new battery pack.
10. Insert transmitter into airplane and fit into place. Replace mounting bracket by pushing the black
plastic knob into place.
11. Reconnect the pilot's remote switch harness and the antenna coax cable to the transmitter.
12. Set the ON/ARM/OFF switch to the ARM position.
13. Reinstall the access plate previously removed.
It may be advisable to test the unit operation before installing the
access plate.
Inspect the external whip antenna for any damage. Av o i d
bending the whip. Any sharply bent or kinked whip should be
replaced. Antenna damage may cause structural failure of whip
in flight.
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
—NOTE—
—NOTE—
1H10
23-10-02
Page 23-01
Revised: July 24, 1981