AD/INST/2 Amdt 2 - Edison and Garwin Engine Gauge Units - Modification
1AD/INST/2 Amdt 2 - Edison and Garwin Engine Gauge Units - Modification
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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Instruments and Automatic Pilots
AD/INST/2
Amdt 2
Edison and Garwin Engine Gauge Units - Modification
5/66
Applicability: Thomas A. Edison engine gauge units models 195, 273 and military models AN5773- 1A or T1A, AN5773-2 or -T2, MS28043-1 or -T1 and MS28043-2 or -T2
manufactured prior to 30 June 1962; and also Garwin Inc. engine gauge units P/N 22- 802-03 thru -14 and 22-802-022 with date stamp before 1 April 1962.
Requirement: 1. Modify gauge units by replacing the diaphragm and capillary tube assembly P/N 45010 with a new assembly P/N 45010. The new assemblies are identified with a 1/4 in. wide white band painted on the capillary tube adjacent to the solder joint of the tube to the diaphragm.
- Provide an overboard drain line from the fuel pressure gauge vent connection on each gauge unit installation. The line shall be terminated at a point where the discharge of fuel will not constitute a fire hazard and where fumes will not enter personnel compartments.
Compliance: Before 31 November 1966.