MOONEY INTERNATIONAL CORPORATION
M20V SERVICE AND MAINTENANCE MANUAL
Page
Date
10
MAR 2017
Rev Date
System Diagnostic Tool: P/N: 508688- 201
Where Used: AAIR System, V23 Aircraft (for Activa-
tion Circuit AAIR Systems)
Battery: Standard 9- volt cell
Warranty: 3years
Recalibration: Under normal service - yearly
Mishandling - after each occurrence
Servicing: None required
Repair: Only by OEM
Service Life: On condition
The SDT is used for testing and fault isolation proce-
dures performed by certified personnel to ensure that
the AAIR System is performing satisfactorily and, if not,
to determine what appropriate action to take. The AAIR
Diagnostic Check should be performed at system
installation, annually, or when repairs or component re-
placement occurs. Diagnostic Checks at a shorter in-
terval will not affect system reliability or operation and
will not affect operable life of the system.
When handling the SDT, the tool shall be protected
from the following harsh conditions:
S High Levels of Shock
S Vibration
S Impact Loading
S Electrical or Static Discharge
S Temperature Extremes
-CAUTION-
DO NOT ATTEMPT TO USE THE SDT FOR
SYSTEM CHECK AND/OR FAULT ISOLATION
TESTING ON THE AAIR SYSTEM OR AAIR
SYSTEM C OMPONENTS WITHOUT BE-
COMING THOROUGHLY FAMILIAR WITH ALL
WARNINGS, CAUTIONARY STATEMENTS,
AND DIRECTIVES CONCERNING THE AAIR
SYSTEM AS FOUND IN AMSAFE’S SUPPLE-
MENTAL MAINTENANCE MANUAL OR AIR-
CRAFT OEM MAINTENANCE MANUAL. FAIL-
URE TO DO THIS MAY RESULT IN INADVER-
TENT AIRBAG DEPLOYMENT, WHICH CAN
RESULT IN SEVERE PERSONAL INJURY AND
EQUIPMENT DAMAGE.
(1) The AAIR Diagnostic Check provides a system
functional analysis of the AAIR circuits as a whole.
Fault isolation of the systems components is accom-
plished by replace- and- retest method.
(2) The System Diagnostic Tool’s (SDT) calibration
must be checked yearly. The calibration sticker on the
back of the unit will indicate when the SDT needs to be
checked. The SDT must be returned to AmSafe for re-
calibration.
(3) The System Diagnostic Tool uses a standard 9- volt
battery, which is replaceable by the user. The unit has a
built- in, low- battery condition alert.
(4) If the System Diagnostic Tool is dropped, it must be
re-calibrated.
-WARNING-
When replacing/retesting EMA, DO NOT test an
EMA that is not secured in t he EMA mounting
bracket. Inadvertent system deployment may
occur.
Before connecting the SDT:
ACTION
RESPONSES FAULT
DIAGNOSIS
1. Turn SDT ON/OFF switch to
ON.IfBatterycheckisOK,turn
SDT OFF.
SDT Battery LED will illuminate
green for acceptable power and
red for low battery condition.
If red, remove cover on back of
SDT and replace with a new, com-
mercially available, 9- volt battery.
25-10-03
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