Piper SEMINOLE PA-44-180, Maintenance Manual

Page: 194 / 881

GENERAL.
— WARNING —
It is the users responsibility to refer to the applicable vendor publications when
servicing or inspecting vendor equipment installed in Piper aircraft.
This chapter of the manual contains information necessary to perform operational checks of the
Emergency Locator Transmitter (ELT). with a pilot's remote switch. Included are the appropriate removal and
installation instructions to facilitate battery replacement.
EMERGENCY LOCATOR TRANSMITTER (ELT).
DESCRIPTION.
The electrical power for the ELT is supplied by its own self-contained battery. FAA regulations require the
battery be replaced at the expiration printed on the battery. The battery must also be replaced if the transmitter
has been used in an emergency situation or if accumulated test time exceeds one hour.
Three types of ELTs were installed in the PA-44-180: S/n’s 44-7995001 thru 44-7995289 were equipped
with The Communications Components Corporation, CIR - 11 - 2 ELT; S/n’ 44-7995290 thru 44-8195026, and
4495001 thru 4495007 were equipped with the Narco ELT-10; S/n’ 4495008 and up were equipped with the
Narco ELT-910.
All PA-44-180T’s were equipped with the Narco ELT-10.
— NOTE —
The CIR - 11 - 2 ELT’s, originally installed in the PA-44-180, used a lithium sulfur
dioxide battery. Refer to Piper Service Letter 820 for instructions on converting
CIR - 11 - 2 ELT to alkaline battery per AD 79-18-05.
CIR - 11 - 2 COMMUNICATIONS COMPONENTS CORPORATION (Refer to Figure 23-1).
CIR - 11 - 2 BATTERY REMOVAL AND INSTALLATION.
— CAUTION —
INSPECT THE EXTERNAL WHIP ANTENNA FOR DAMAGE. DO NOT
BEND WHIP. ANY SHARPLY BENT OR KINKED WHIP MUST BE
REPLACED. ANTENNA DAMAGE WILL CAUSE STRUCTURAL FAILURE
OF WHIP IN-FLIGHT.
The ELT is located on a mounting bracket on the right side of the fuselage aft section at station 247.0.
1. Remove the access plate on the right side of the fuselage aft of station 247.0.
2. Rotate the ON/ARM/OFF switch to the OFF position.
3. Disconnect the antenna coax cable (twist left, then pull outward).
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 data
plate.
9. Disconnect and replace with a new battery pack.
PIPER AIRCRAFT
PA-180/180T
AIRPLANE MAINTENANCE MANUAL
23-13-01
Page 23-01
Revised: June 20, 1995
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