Hartzell De-ice Boots for Cessna 310 and T310 Installed Under Hartzell Propeller Inc. STC SA234CH
CESSNA T310 · Flight Manual
Overview
This document is a service letter from Hartzell Propeller Inc. regarding the installation of de-ice boots on specific Cessna 310 and T310 models. It addresses the issue of de-ice boot leadwires becoming loose and provides guidance on the installation of new de-ice boots (P/N 4H1601-14, 4H1601-10, and 7931-4E1601-10) to prevent this problem. The letter outlines compliance requirements, installation instructions, and references to other relevant manuals. It is intended for maintenance personnel and operators of affected aircraft models, ensuring they are informed about the necessary actions to maintain airworthiness and safety during winter operations.
- Affected models include Cessna 310 and T310 variants under STC SA234CH.
- New de-ice boot P/N 4H1601-14 is designed to prevent leadwire issues.
- 2.0 man-hours are needed for de-ice boot replacement.
- Installation of de-ice boots must follow specific manuals for safety.
- Boots with different part numbers can be intermixed on the same propeller.
Document
Source
Originally published by hartzellprop.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Flight Manual
- Year
- 2011
- Pages
- 4
- File size
- 240 KB
- Publisher
- hartzellprop.com
Specifications & performance
Extracted from this document.
Specifications
- Propeller
- Hartzell PHC-J3YF-2UF/FC7663DB-2R
Common. Rarer than 24% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the CESSNA T310.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
Free — save the T310 to your watchlist and track it in one place.
More CESSNA T310manuals & documents
See all 13 →- On-Call Amphibious Scooping SEAT Flight ServicesPilot's Operating Handbook
- BLM On-Call AIR ATTACKOther Documents
- Sky-Tec Flyweight™ Starters & Solenoids Aircraft Fit GuideV Speeds Reference
- Service Bulletin No. 058 Turbocharger - Back Plate Assembly Replacement at OverhaulWeight And Balance
- Hartzell Propeller Inc. Service Letter HC-SL-30-279 De-ice: Hartzell De-ice Boots and De-ice KitsWeight And Balance
- SCHEDULE OF AIRWORTHINESS DIRECTIVESService Bulletins
- AOPA PILOTPilot's Operating Handbook
- Supplemental Type Certificate for Cessna 310Supplemental Type Certificate
- Cessna Turbo 310R IIPilot's Operating Handbook
- Federal Register, Volume 37, Number 91Supplemental Type Certificate
- Aircraft tire Engineering DataType Certificate
- MICRO Vortex Generator KitPilot's Operating Handbook
If you fly the CESSNA T310, you may also be researching these.
In this document
Planning Information
The service letter specifies that it applies to Hartzell propellers installed on Cessna 310 and T310 models under STC SA234CH. It highlights the issue of de-ice boot leadwires coming loose and introduces the installation of a new de-ice boot design (P/N 4H1601-14) that includes a bent lead strap to secure the leadwires.
Compliance
If de-ice boot replacement is necessary, the service letter mandates the use of the specified part numbers (4H1601-14, 4H1601-10, or 7931-4E1601-10) for replacement. It also notes that boots with different part numbers may be intermixed on a propeller assembly.
Installation Instructions
The document provides detailed instructions for the removal and installation of de-ice boots, referencing the Hartzell Propeller Electrical De-ice Boot Removal and Installation Manual 182 for specific procedures. It emphasizes the importance of following these instructions to ensure proper installation and airworthiness.
Manpower
Approximately 2.0 man-hours are required to remove and install one de-ice boot, indicating the expected labor involved in compliance with this service letter.
References
The service letter lists several references for further guidance, including Hartzell Application Guide 159 and other service letters related to de-ice boot installation and maintenance.
Safety notes
- Ensure compliance with Hartzell Propeller Electrical De-ice Boot Removal and Installation Manual 182 for safe installation and inspection.
Full document text
HARTZELL PROPELLER INC. SERVICE LETTER HC-SL-30-313 De-ice: Hartzell De-ice Boots for Cessna 310( ), 310(I,P,Q,R), and T310(P,Q,R) Installed Under Hartzell Propeller Inc. STC SA234CH HC-SL-30-313 Page 1 of 4 Mar 11/11 1. Planning Information A. Effectivity (1) Hartzell PHC-J3YF-2UF/FC7663DB-2R( ) propellers installed on Cessna 310( ) under Hartzell Propeller Inc. STC SA234CH are affected by this Service Letter. (2) Hartzell PHC-C3YF-2UF/FC7663DB-2R( ) propellers installed on Cessna 310(I,P,Q,R), or T310(P,Q,R) under Hartzell Propeller Inc. STC SA234CH are affected by this Service Letter. B. Reason (1) Hartzell Propeller Inc. has received reports from the field of de-ice boot leadwires coming loose from the blade shank. The leadwires are bonded to the blade shank with adhesive. (a) Refer to Hartzell Propeller Electrical De-ice Boot Removal and Installation Manual 182 (61-12-82) for repair procedures for loose lead wires. (2) This Service Letter introduces installation of de-ice boot P/N 4H1601-14 on the affected installation. The P/N 4H1601-14 de-ice boot has a bent lead strap to cover the leadwires. Refer to Figure 1. (3) The bent lead strap is secured to the blade and prevents the leadwires from coming loose. (4) Hartzell Propeller Inc. has obtained FAA approval for installation of de-ice boots on Hartzell propellers. (5) Regulatory action is not expected. C. Description (1) This Service Letter permits installation of P/N 4H1601-14 de-ice boots and the P/N 4H1601-10 or 7931-4E1601-10 de-ice boots on the same propeller assembly. NOTE: Refer to the approved aircraft installation data to determine installation eligibility. Hartzell Service Letters HC-SL-30-260 and HC-SL-30-279 and Hartzell Application Guide 159 are FAA accepted sources for this information. (2) Propeller assemblies shipped from Hartzell Propeller Inc. will have the P/N 4H1601-14 de-ice boots installed. © 2011 - Hartzell Propeller Inc. - All rights reserved HARTZELL PROPELLER INC. SERVICE LETTER HC-SL-30-313 De-ice: Hartzell De-ice Boots for Cessna 310( ), 310(I,P,Q,R), and T310(P,Q,R) Installed Under Hartzell Propeller Inc. STC SA234CH Mar 11/11 HC-SL-30-313 Page 2 of 4 D. Compliance (1) If the de-ice boot replacement is required, replace the de-ice boot with P/N 4H1601-14, 4H1601-10, or 7931-4E1601-10 de-ice boots in accordance with the Accomplishment Instructions in this Service Letter. (a) De-ice boots P/N 4H1601-14, 4H1601-10, or 7931-4E1601-10 may be used. Boots with different part numbers may be intermixed on a propeller assembly. NOTE: Refer to Hartzell Propeller Electrical De-ice Boot Removal and Installation Manual 182 (61-12-82) for de-ice boot inspection criteria. E. Approval (1) Hartzell Propeller Inc. has obtained FAA approval for installation of de-ice boots on Hartzell propellers. Hartzell Service Letter HC-SL-30-279 provides installation approval for Hartzell de-ice boots on Hartzell propellers. F. Manpower (1) Approximately 2.0 man hour are required to remove and install one de-ice boot. G. References (1) Hartzell Application Guide 159 (61-02-59) (2) Hartzell Propeller Ice Protection System Manual 180 (30-61-80) (3) Hartzell Propeller Electrical De-ice Boot Removal and Installation Manual 182 (61-12-82) (4) Hartzell Service Letter HC-SL-30-260 (5) Hartzell Service Letter HC-SL-30-279 H. Other Publications Affected None HARTZELL PROPELLER INC. SERVICE LETTER HC-SL-30-313 De-ice: Hartzell De-ice Boots for Cessna 310( ), 310(I,P,Q,R), and T310(P,Q,R) Installed Under Hartzell Propeller Inc. STC SA234CH HC-SL-30-313 Page 3 of 4 Mar 11/11 2 1 3 De-ice Boot 4H1601-14 Configuration Figure 1 2. Accomplishment Instructions A. Installation Instructions For A De-Ice Boot (1) Refer to Hartzell Propeller Ice Protection System Manual 180 (30-61-80) for de-ice boot harness routing instructions and applicable parts list. (2) Remove the de-ice boot in accordance with Hartzell Propeller Electrical De-ice Boot Removal and Installation Manual 182 (61-12-82). (3) Install the de-ice boot in accordance with Hartzell Propeller Electrical De-ice Boot Removal and Installation Manual 182 (61-12-82). HARTZELL PROPELLER INC. SERVICE LETTER HC-SL-30-313 De-ice: Hartzell De-ice Boots for Cessna 310( ), 310(I,P,Q,R), and T310(P,Q,R) Installed Under Hartzell Propeller Inc. STC SA234CH Mar 11/11 HC-SL-30-313 Page 4 of 4 (4) De-ice boots P/N 4H1601-14, 4H1601-10 and 7931-4E1601-10 may be used. (a) Boots with different part numbers may be intermixed on a propeller assembly. (b) If boots from different manufacturers or different dash numbers are intermixed on a propeller assembly, static and/or dynamic balancing of the assembly may be required. (c) Compliance with Hartzell Propeller Electrical De-ice Boot Removal and Installation Manual 182 (61-12-82) is required when a P/N 4H1601-10 or a 7931-4E1601-10 de-ice boot is installed. B. Instructions For De-Ice Boot Inspection (1) Hartzell Propeller Electrical De-ice Boot Removal and Installation Manual 182 (61-12-82) provides instructions for continued airworthiness for de-ice boot. NOTE: Hartzell de-ice manuals are available on the Hartzell website, www.hartzellprop.com.