INSTALLATION INSTRUCTIONS SUPPLEMENTAL TYPE CERTIFICATE SA04491CH
CESSNA 185 · Flight Manual
Overview
This document provides installation instructions for the Hartzell Propeller on Cessna non-turbocharged models including the 180, 182, 185, and 206 series. It is intended for installers and maintenance personnel responsible for modifying these aircraft with the specified propeller. The manual outlines the necessary tools, consumables, and procedures for safely removing the existing propeller and installing the new Hartzell model. It also includes important safety warnings and cautions to ensure compliance with FAA regulations and safe operational practices.
- The document is specifically for Cessna 185 and other non-turbocharged models.
- Installation of the Hartzell Propeller requires specific tools such as torque wrenches and safety wire pliers.
- Safety precautions include disconnecting the ignition harness before propeller removal.
- Model eligibility includes Cessna 180, 182, 185, and 206 series aircraft.
- Low pitch stop settings must be adjusted according to specified measurements to ensure proper engine performance.
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
- 2021
- Pages
- 13
- File size
- 197 KB
- Publisher
- hartzellprop.com
Specifications & performance
Extracted from this document.
Specifications
- Propeller
- Hartzell HC-(C, G or J)3YF-1RF/F8429(B,K)
Common. Rarer than 1% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the CESSNA 185.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
Introduction
The introduction outlines the purpose of the modification, which is to replace existing propellers with the Hartzell Propeller model HC-( )3YF-1RF/F84298(B,K)-( ). This section emphasizes the importance of following the installation instructions to ensure safety and compliance.
Installation Instructions
This section details the steps required for the installation of the new propeller, including compatibility checks with previously approved modifications. It lists applicable manuals and provides safety warnings regarding ignition harness disconnection and handling of propeller components.
Model Eligibility
The document specifies the eligibility of various Cessna models for the propeller installation, including the Cessna 185. It provides details on engine specifications, propeller models, and required spinner assemblies.
Low Pitch Stop Setting
This section provides guidelines for adjusting the low pitch stops of the propeller. It includes specific measurements and settings that must be adhered to for optimal performance and safety.
Safety notes
- Disconnect the ignition harness before removing the existing propeller to prevent injury.
- Wrap blade shanks in tape to avoid damage during installation.
Full document text
Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 1 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 INSTALLATION INSTRUCTIONS SUPPLEMENTAL TYPE CERTIFICATE SA04491CH CESSNA AIRCRAFT NON-TURBOCHARGED MODELS 180, 182, 185 & 206 SERIES INSALLATION OF HARTZELL PROPELLERS HC-(C, G or J)3YF-1RF/F8429(B,K)- ( ) FAA Approved: __________________ Date: _____________________ Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 2 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 LOG OF REVISIONS Rev. Rev. Date Pages Description of Revision Approved FAA Approved IR 10/21/2020 All FAA STC Initial Release Bob Minnis A 01/11/2021 All As provided for in AC20-180 AML-STC, added Cessna’s 180, 182 Modified & 185 /185 stock & modified model aircraft Bob Minnis B 02/23/2021 All Updated to add the MDL 180, 182 & 185 aircraft. Revised all charts to the latest information. Bob Minnis C 04/20/2021 11 10 13 Corrected C206 engine & RPM. Deleted STC SA00501AT, Propeller STC only. Added 235 /240 BHP to the low pitch stops setting chart Bob Minnis WARNING…………USE OF THIS STC IS SUBJECT TO FEDERAL LAW 104-264 110 STAT. 3256, SECTION 403. FEDERAL LAW PROHIBITS USE OF THE CONTENTS OF THIS STC WITHOUT PERMISSION OR LICENSE FROM THE OWNER, Minnis Aviation . Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 3 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 TABLE OF CONTENTS Paragraph Number PARAGRAPH Page Number 1.0 INTRODUCTION 4 2.0 INSTALLATION INSTRUCTIONS 4 3.0 MODEL ELIGIBILITY 8 4.0 LOW PITCH STOP SETTING 13 Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 4 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 1.0 INTRODUCTION The modification replaces the existing McCauley, Hartzell or MT Propeller with the Hartzell- Propeller, model number HC-( )3YF-1RF/F84298(B,K)-( ). 2.0 INSTALLATION INSTRUCTIONS COMPATIBILITY OF THE INSTALLATION CHANGE WITH PREVIOUSLY APPROVED MODIFICATION MUST BE DETERMIND BY THE INSTALLER 2.1 Applicable Manuals: Hartzell Propeller Owner’s Manual, 115N (Metal blade) Cessna Aircraft Company Maintenance Manual, Models 180, 182, 185 & 206 FAA approved Airplane Flight Manual Supplement No. M2019-06 WARNING Disconnect the ignition harness to the spark plugs before removing the existing propeller & spinner. Reconnect after the installation of the replacement propeller and spinner is completed. Failure to comply can result in bodily injury when the propeller is rotated during removal or re- installation. CAUTION Wrap the blade shanks in several layers of masking or duct tape before installing or removing the spinner dome to prevent damaging the blade and blade paint. 2.2 Removal and Installation Removal / installation of the propeller spinner and propeller are to be accomplished in accordance with Hartzell Propeller Owner’s Manual 115N rev. 12 or later approve revisions and Cessna Aircraft Company Maintenance Manual, Models 180, 182, 185, , or 206. Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 5 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 2.3 Tooling requirements Safety wire pliers Torque wrench (1/2 inch drive) Torque wrench adapter (Hartzell P/N BST-2860) ¾ inch open end wrench 2.4 Consumables Quick Dry Stoddard Solvent or Methyl-Ethyl-Ketone (MEK) 2.5 Expendables 0.032 Stainless Steel Aircraft Safety Wire “O” ring – propeller to engine seal (C-3317-228) or another approved P/N 2.6 Pre-Installation Inspection of shipping package Examine the exterior of the shipping container for signs of shipping damage, especially at the box ends around each blade. A hole, tear or crushed appearance at the end of the box (at the propeller tips) may indicate the propeller was dropped during shipment, possibly damaging the blades. 2.7 Uncrating Place the propeller on a firm support Remove the banding and any external wood bracing from the cardboard shipping container. Remove the cardboard from around the hub and blades. Place the propeller on a padded surface that supports the propeller over a large area. Never stand the propeller on a blade tip. Remove the plastic dust cover cup from the propeller-mounting flange (if installed). 2.8 Inspection after shipping After removing the propeller from the shipping container, examine the propeller components for shipping damage. 2.9 Placard and marking: Hartzell-Propeller HC-( )3YF-1RF/F8429(B,K )-( ) limitations are RPM’S (2850) and power (350 BHP) which is well above the approved operating range of the 520 / 550 Continental Aircraft Engines. No propeller related placard is required. Placard concerning operation limitation of the replaced propellers (if any) are obsolete. Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 6 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 2.10 Static RPM check: Perform static test, check for function and oil leakage. Perform full power static RPM check with the governor adjusted for full RPM (Note: Count the number of turns for reference setting after propeller RPM check). Adjust low pitch stop per Section 4 of Hartzell Propeller Owner’s Manual 115N. Check for proper governor control cable cushion, adjust as required. Adjust fuel flow in accordance with Cessna Service Instruction, CM Engine Setup Procedures or in accordance with STC’s that may be installed.
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Continental Aerospace Technologies Engines Manual M-0 may also be used as a reference for fuel set-up. After adjustment is complete, final safety checks are made, safety wire installation as required, perform flight test and make all required logbook entries. 2.11 Change weight and balance record and equipment list: Hartzell-Propeller HC-(C, or J)3YF-1RF/F8429(B,K ) propeller with spinner: Propeller Hub & Blades WEIGHTS Lbs. Length Max - Inches Min - Inches C3YF/F8429( ) -0 76.8 86.0 84.0 C3YF/F8429( ) -2 76.7 84.0 82.0 C3YF/F8429( ) -4 76.5 82.0 80.0 C3YF/F8429( ) -6 76.3 80.0 78.0 G3YF/F8429( ) -0 79.0 86.0 84.0 G3YF/F8429( ) -2 78.9 84.0 82.0 G3YF/F8429( ) -4 78.7 82.0 80.0 G3YF/F8429( ) -6 78.5 80.0 78.0 J3YF/F8429( ) -0 80.6 86.0 84.0 J3YF/F8429( ) -2 80.5 84.0 82.0 J3YF/F8429( ) -4 80.3 82.0 80.0 J3YF/F8429( ) -6 80.1 80.0 78.0 Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 7 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 2.12 Post-installation dynamic balance of the propeller / engine combination is recommended. 2.13 Make the appropriate logbook entries and return aircraft to service with FAA Form 337 referencing STC. 2.14 Hartzell Propeller Service: All Hartzell-Propeller manuals and service information can be ordered through your Hartzell-Propeller distributor or (if prepaid) directly from: Hartzell Propeller Inc. One Propeller Place Piqua, Ohio 45356 Email techsupport@hartzellprop.com Telephone (937) 778-4379 8am - 5pm US Eastern Time (937) 778-4376 after hours AOG support Or web site http://www.hartzellprop.com Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 8 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 3.0 MODEL ELIGIBILITY Modified (STC’s) C-180 Land Planes / Floatplane STC No. ENGINE BHP / RPM’s PROPELLER MODEL DIAMETER INCHES MAX. MIN. SA09055SC O-520-LC/TS 235 / 2700 HC-C3YF-1RF /F8429-4 82 80 SA09132SC O-550-F-TS 240 / 2700 HC-C3YF-1RF /F8429-4 82 80 SA09018SC O-520-F-TS 240/ 2700 HC-C3YF-1RF /F8429-4 82 80 SA01345AT IO-520-D (300 / 2850 5 Min) 285 / 2700 HC-C3YF-1RF /F8429-6 80 78 SA00468WI O-470-50 235 / 2700 HC-C3YF-1RF /F8429 86 84 SA2069NM O470U-C-O520KAH-2 IO-520-C-O520KAH-1 270 / 2700 HC-C3YF-1RF /F8429-4 82 80 SA00785AT IO-550-D 300 / 2700 HC-C3YF-1RF /F8429-4 82 80 • SA09055SC, SA09132SC and SA09018SC use D-5732-P spinner assemblies. • SA09055SC and SA09132SC are also eligible for a C-4582-P. • SA01345AT uses a C-3535-1P Spinner assembly. • SA00468WI, SA00785AT & SA2069NW use A-2295-1P Spinner assemblies. Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 9 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 Modified (STC’s) C-182 Land Planes STC No. Engine BHP / RPM’s Prop Model DIAMETER INCHES MAX / MIN SA3825SW IO-550-D 300 / 2700 HC-G3YF-1RF/8429-4 82 / 80 SA01302AT IO-520-D 285 / 2700 HC-G3YF-1RF/8429-6 80 / 78 SA461NW IO-520-D 300 / 2850 HC-G3YF-1RF/8429-6 80 / 78 SA01218AT IO-550-D 300 / 2700 HC-G3YF-1RF/8429-6 80 / 78 SA09133SC O-550-F-TS 240 / 2700 HC-G3YF-1RF/8429-6 80 / 78 SA00810AT IO-550-D 300 / 2700 HC-G3YF-1RF/8429-6 80 / 78 SA00152WI IO-520-D 300 / 2850 HC-G3YF-1RF/8429-6 80 / 78 IO-550-D 300 / 2700 SA5664NM O-470-50 235 / 2700 HC-G3YF-1RF/8429-6 80 / 78 SA5966NM • SA3825SW, SA461NW and SA00152WI, are eligible for the D-4798-3P (182 – 182G) or D-4798-1P (182H – 182Q). • SA09133SC use D-5732-P or C-4582-P Spinner • SA01302AT and SA01218AT are eligible for the D-5732-P. • SA5664NM and SA5966NM use D-4798-3P (182 – 182G) or D-4798-1P (182H – 82Q). Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 10 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 Cessna 185 Series Land Planes / Floatplanes CESSNA MODEL ENGINE BHP / RPM’S PROP MODEL DIAMETER INCHES SPINNER MAX. MIN. A185E A185F IO-520-D 300 / 2850 HC-C3YF-1RF/F8429 86 84 C-3575-P Modified (STC’s) C-185 Land Planes / Floatplanes STC No. ENGINE BHP / RPM’s PROPELLER MODEL DIAMETER INCHES SPINNE R MAX MIN SA525NW IO-520-D 300 / 2850 HC-C3YF-1RF/F8429 86 84 C-3575-P SA1522GL IO-550-D 300 / 2700 HC-C3YF-1RF/F8429 86 84 SA2933SO IO-550-D 300 / 2700 HC-C3YF-1RF/F8429 86 84 SA00344WI IO-550-D 300 / 2700 HC-C3YF-1RF/F8429 86 84 SA09960SC IO-550-D 300 / 2700 HC-C3YF-1RF/F8429 86 84 SA00413WI IO-520-D 300 / 2850 HC-C3YF-1RF/F8429 86 84 SA324AL IO-520-D 300 / 2850 HC-C3YF-1RF/F8429 86 84 Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 11 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 Cessna 206 Series Land Planes / Floatplanes CESSNA MODEL ENGINE BHP / RPM’S PROPELLER MODEL DIAMETER INCHES SPINNER LAND MAX. / MIN. FLOAT MAX. / MIN. 206 U206 U206A IO-520-A 285 / 2700 HC-C3YF-1RF/F8429-4 HC-C3YF-1RF/F8429 82 80 86 84 A-2295-1P U206B Thru U206F IO-520-F 300 \ 2850 HC-C3YF-1RF/F8429-6 HC-C3YF-1RF/F8429 80 78 86 84 U206G (float plane only) S/N 4075 & on IO-520-F 300 \ 2850 HC-C3YF-1RF/F8429 HC-J3YF-1RF/F8429 NA 86 84 C-4582-P P206 IO-520-A 285 / 2700 HC-J3YF-1RF/F8429-4 HC-J3YF-1RF/F8429 82 80 86 84 P206 A Replaces McCauley C58, C79, 90) IO-520-A 285 / 2700 HC-C3YF-1RF/F8429-4 HC-C3YF-1RF/F8429 82 80 86 84 A-2295-1P P206 A Replaces McCauley C73, C77, C88) IO-520-A 285 / 2700 HC-J3YF-1RF/F8429-4 HC-J3YF-1RF/F8429 82 80 86 84 C-4582-1P P206B Thru P206E IO-520-A 285 / 2700 HC-J3YF-1RF/F8429-4 HC-J3YF-1RF/F8429 82 80 86 84 Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 12 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 Modified (STC’s) C-206 Land Planes / Floatplanes STC No. ENGINE BHP / RPM’s PROPELLER MODEL DIAMETER INCHES SPINNER LAND PLANE MAX / MIN FLOAT PLANE MAX / MIN SA10010SC IO-550-F 300 / 2700 HC-(C,J)3YF-1RF/F8429-4 HC-(C,J)3YF-1RF/F8429 82 80 86 84 A-2295-(1,2)P C-4582-(1)P D-5732-P SA00332AT U206B thru G IO-550-F 300 / 2700 HC-(C,J)3YF-1RF/F8429-4 82 80 NA A-2295-(1,2)P or C-4582-(1)PSA1482GL U206B thru G IO-550-F 300 / 2700 HC-(C,J)3YF-1RF/F8429-4 HC-(C,J)3YF-1RF/F8429 82 80 86 84 SA02507AT-D U206B thru G P206A thru E TU206F & G IO-550-N 310 / 2700 HC-J3YF-1RF/F8429-4 HC-J3YF-1RF/F8429 82 80 86 84 C-4582-(1)P SA02768CH IO-550-F- CF 310/ 2700 HC-(C,J)3YR-1RS/F8429 82 80 86 84 A-2295-(1,2)P or C-4582-(1)P SA2830SO U206A thru G P206 P206 A thru D IO-550-F 300 / 2700 HC-(C,J)3YF-1RF/F8429-4 HC-(C,J)3YF-1RF/F8429 82 80 86 84 SA01300AT TU206A thru G TP206A thru F IO-550-F 300 / 2700 HC-(C,J)3YF-1RF/F8429-4 HC-(C,J)3YF-1RF/F8429 82 80 86 84 Minnis Aviation 9165 Edgewater Drive Stanwood, Michigan 49346 __________________________________________________________________________ STC No. SA04491CH 13 of 13 Report: M2019-03 Revision: C Date: 20 April. 2021 4.0 LOW PITCH STOPS SETTING: 4.1 If necessary, adjust low pitch stops per Section 4 of Hartzell Propeller Owner’s Manual No. 115N. Should low pitch stop need to be adjusted more than 1 degree (3/4 turn), this may be an indication that your engine is not making rated horsepower. 4.2 The above data represent SEA LEVEL standard day conditions. 4.3 Pitch Stop Settings measured at 30” station Blade Design Horsepower RPM Low High F8429 235 /240 2700 10.0 29 F8429 310 2700 11.5 29 F8429 300 2700 11.5 29 F8429 285 2700 11.2 29 F8429 300 2800 11.5 29 F8429 300 2850 10.1 29 _________________________________________________ F8429-4 235 /240 2700 10.5 29 F8429-4 270 2700 11.3 29 F8429-4 310 2700 12 29 F8429-4 300 2700 12 29 F8429-4 285 2700 11.7 29 F8429-4 300 2800 10.6 29 F8429-4 300 2850 10.6 29 _________________________________________________ F8429-6 235/240 2700 10.5 29 F8429-6 310 2700 12.3 29 F8429-6 300 2700 12.3 29 F8429-6 285 2700 11.7 29 F8429-6 300 2800 10.9 29 F8429-6 300 2850 10.9 29 End of Document
What's in the CESSNA 185 TCDS
A Type Certificate Data Sheet (TCDS) is the FAA's record of what an aircraft type was approved as. It is the source of truth for weights, seating, fuel and the rules the design was certified against. Expand any line to see what it means.
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