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This is a collection of Hartzell Service Letters. All active Hartzell Service Bulletins, Service Letters, Service Instructions, and Service Advisories are available for purchase as part of the Hartzell Technical Documents Library on CD Rom. Contact New Parts Sales at 001 (937) 778-4201 (option 1) or e-mail newpartssales@hartzellprop.com

NOTE: The following Service Letters are arranged in descending numerical order.

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Title Full/Partial Date Description Revision
Service Letter Index Full Document Oct 02, 2017 Service Letter Index Oct 02, 2017
HC-SL-61-361 Full Document Apr 27, 2017 Propeller – Unfeathering Tool TE316
HC-SL-61-360 Full Document Feb 01, 2017 Blade – Damage Evaluation for NC10245( ) Blades Installed on (but not limited to) Pilatus PC-12 Aircraft
HC-SL-61-359 Full Document Oct 02, 2017 Polane® Paint (Silver) CM163
HC-SL-61-358 Full Document Dec 01, 2016 Propeller – Beta System Puller TE100
HC-SL-61-354 Full Document Aug 1, 2016 Propeller – Lubrication Fittings
HC-SL-61-353 Full Document Nov 11, 2015 Propeller – AeroShell 5 Grease
HC-SL-61-350 Full Document Jun 1, 2017 Propeller – Piston Unit C-497( )
HC-SL-61-346 Full Document Oct 1, 2015 Spinner – Bulkhead Modification
HC-SL-61-343 Full Document Apr 1, 2014 Product Category – Lubrication Procedure
HC-SL-30-335 Full Document Apr 27, 2017 Restrainer Strap Installation 2
HC-SL-61-324 Full Document Oct 21, 2011 Blade – Aluminum Blade Field Repair
HC-SL-30-308 Full Document Apr 18, 2012 Hartzell PMA De-ice Components
HC-SL-61-294 May 15, 2012 field Maintenance of Hartzell Composite Blades – NOTE: This Service Document has been replaced by Hartzell Manual 170 1
HC-SL-30-295 Full Document Nov 06, 2013 New PC-12 De-Ice boot 3
HC-SL-30-279 Full Document Mar 06, 2013 Introduction of De-ice boot 6-digit Hartzell De-Ice boots replacing a “4H” De-ice boot 8
HC-SL-61-277 Full Document Feb 01, 2017 Governor installation instructions 5
HC-SL-30-260 Full Document Oct 27, 2014 Introduction of Hartzell airframe mounted Ice protection components, De-ice boots and Anti-ice feed shoes 22
HC-SL-30-259 Full Document Mar 15, 2016 Introduction of Hartzell De-Ice components(wire harness, slip rings, and De-ice boots) 14
HC-SL-61-254 Full Document Feb 24, 2006 Propeller – Propeller Operating Restrictions
HC-SL-30-246 Full Document Jun 02, 2005 De-Ice – Spare Parts Release
HC-SL-61-231 Full Document Apr 01, 2004 Propellers – Use of Propeller Jack
HC-SL-61-225 Full Document Dec 18, 2003 Spinners – Spinner Dome and Bulkhead Assembly Manufacturing Process Improvements 1
HC-SL-61-185 Full Document Oct 21, 2016 Tachometers 3
HC-SL-61-171 Full Document May 28, 1996 Spinner dome and bulkhead interchangeability
HC-SL-61-165 Full Document Dec 07, 1995 All propellers – Warning to evaluate unusual grease leaks or vibration
HC-SL-61-61Y Full Document Oct 02, 2017 Overhaul periods and Service life limits for Hartzell Propeller Inc. Aviation Components – Propellers, Governors. Accumulators, and Propeller Damper Assemblies (Ref. AD 77-12-06) 11
哈泽尔服务信函61-61Y 完整文件 2015年12月22日 哈泽尔螺旋桨以及包含调速器、储压器和减震器类航空组件的大修周期和使用寿命限制说明 9
HC-SL-61-48A Full Document Apr 15, 2014 Propeller – Diaphram Inspection 2

 

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