Piper CHEROKEE WARRIOR PA-28-151 1995 Maintenance Manual page 521

PIPER CHEROKEE WARRIOR SERVICE MANUAL
4. Set the ON/ARM/OFF switch on the transmitter to the ON position. Keep the switch in this
position for only a few seconds; then set to the OFF position. Return to the ARM position.
5. If transmitter is only labeled ON/ARM, set to ON position for a few seconds, then return to
ARM position
The test transmission should be received by the aircraft
c o mmunications receiver and/or control tower or FAA Flight
Service Station. During cold weather, there may be a slight
delay before transmission occurs.
6. A properly functioning transmitter emits a characteristic downward swept tone.
7. When test is completed, ensure transmitter ON/ARM/OFF, or ON/ARM, switch is in the ARM
position.
Whenever unit is checked by moving transmitter
ON/ARM/OFF switch from the ARM to ON position, it must
first be moved to the OFF position before resetting to ARM
position.
e. Install access panel at aft fuselage station 228.30 and secure with the appropriate screws.
12-9. NARCO 10 AND 910 EMERGENCY LOCATOR TRANSMITTER
12-10. DESCRIPTION.
The electrical power for both the Narco 10 and Narco 910 ELT 's are totally supplied by their own
s e l f -contained battery. The battery must be replaced on or before replacement date marked on battery pack
label. If the transmitter has been used in an emergency situation or it has more than one hour of accumulated
test time, the battery must be replaced.
A remote switch located on the left side panel is provided to allow the transmitter to be turned on from
inside the cabin. The pilot's remote switch is placarded ON and ARMED. The switch is normally in the
ARMED position. Moving the switch to ON will activate the transmitter. Moving the switch back to the
ARMED position will turn off the transmitter only if the impact switch has not been activated.
12-11. NARCO ELT 10 BATTERY REMOVAL AND INSTALLATION (Refer to Figure 12-4, 12-5, 12-
6, or 12-7.)
a. Remove the access plate on the right side of fuselage aft of sta. 228.30.
b. Set the ON/OFF/ARM switch on the transmitter to OFF.
c. Disconnect antenna coaxial cable from ELT.
d. Remove ELT from its mounting bracket by releasing the latch on the strap and sliding the ELT off
the bracket.
e. Extend the portable antenna.
f. Unscrew the four screws that hold the control head to the battery casing and slide apart.
g. Disconnect the battery by unsnapping the snap-off battery pigtail terminals from the bottom of the
transmitter printed circuit board.
h. Discard old battery pack. (DO NOT EXPOSE TO FLAME.)
Revised: February 28, 1995
NOTE
NOTE
2J18
Island Enterprises
ELECTRONICS