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AD/PHZL/79 Amdt 2 - Propeller Vibration Placard
Propellers - Variable Pitch - HartzellPropellers - Variable Pitch - Hartzell
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Propellers - Variable Pitch - Hartzell
| AD/PHZL/79 Amdt 2 | Propeller Vibration Placard | 12/2014 |
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| Applicability: | This AD applies to Hartzell ( )HC-C2YK-( )( )( )/( )( )7666A-( ) propellers installed on undampered 200 horsepower Lycoming IO-360 engines. |
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| Note 1: These engines can be fitted to but are not limited to Mooney M20E and M20F, Piper PA-28R-200, and Pitts S-1T and S-2A aeroplanes.Note 2: Engine models of this series incorporate no crankshaft dampers unless the third section of the model designation exhibits a numerical digit in its fourth position, i.e. IO-360-A1B6. The digit "6" in the fourth position, indicates the incorporation of one 6.3 order and one 8th order counterweights. | |
| Requirement: | For Normal Category aeroplanes:1. Unless previously accomplished, remove any vibration placard that does not have the following statement and replace it with one that does:“Avoid continuous operationBetween 2000 and 2350 rpm”2. Unless previously accomplished, re-mark the tachometer face or bezel with a red arc for the restricted engine speed range, between 2000 and 2350 rpm.3. Include a copy of this AD with the aeroplane flight manual, if an aeroplane flight manual is carried.For Utility and Aerobatic Category aeroplanes:1. Unless previously accomplished, remove any vibration placard that does not have the following statement and replace it with one that does:“Avoid continuous operationBetween 2000 and 2350 rpm.Above 2600 rpm in aerobatic flight”.2. Unless previously accomplished re-mark the tachometer face or bezel with a red arc for the restricted engine speed range, between 2000 and 2350 rpm, and between 2600 and 2700 rpm (red line). |
| 3. Include a copy of this AD with the aeroplane flight manual, if an aeroplane flight manual is carried. | |
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| Note 3: FAA AD 2007-26-09 Amdt 39-15311, paragraph (k) refers. | |
| Compliance: | Unless previously accomplished, the required actions for Normal Category aeroplanes and Utility and Aerobatic Category aeroplanes must be taken from the effective date of this AD.Note 4: Compliance with AD/PHZL/79 Amdt 1 constitutes compliance with the equivalent requirement(s) of this AD. |
| The effective date of this AD is 8 June 2014. |