Category: Pt6a 20 maintenance manual pdf

All original authorship of ATP is protected under U. Index t o. Whitney Canada. T a b l e of Contents. Record of Revisions. Record of T e m p o r a r y Revisions. Letter of Transmittal. Highlights of Changes. L i s t of Effective. Description of Engine. Leading Particulars and Specifications.

Ignition System.

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P u m p Vane Type. P u m p Gear Type. P o w e r Turbine Governor. Customer Service. Secti o n. Temperature Compensator. Complete Operation. S p r a y Nozzles.

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E n g i n e Controls. P r o p e l l e r Non-Reversing Inst. PT6A-6 Engines. PT6A-6A Engines. PT6A Engines. PT6AB Engines. System Servicing. Preparation for Service or Storage. Specific Parts. Field Cleaning. E n g i n e External. Marking of Parts.

pt6a 20 maintenance manual pdf

Temporary Marking Methods.Moderators: North Shoreahraminsky's the limitsepiaSulako. Privacy Terms. We reserve the right to remove any messages that we deem unacceptable. When you post a message, your IP is logged and may be provided to concerned parties where unethical or illegal behavior is apparent. All rights reserved. Skip to content. Quick links. My friends told me I should sell this info - but I know how that works - In Canada I make 1 sale - and from then on it gets "Shared".

In the US - it just gets hacked. Overseas - it gets a little politer hacking - is "Politer" actually a word?? So in the spirit of things I have decided the quickest way to get this stuff out would be to use the Creative Commons approach - if you don't know what that is then Google is your friend.

pt6a 20 maintenance manual pdf

The link below is to my website and will open showing 3 documents - they are all free for the downloading. Another one is on rigging the engine. The third one is a descriptive set of notes on how the engine control system operates.

I had a lot of fun developing these - and after 40 years in the aviation maintenance and maintenance training business I thought it was time to give something back.

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It's a bit late for Christmas - but here is a present from me to you. Mx Trainer. I am very glad that there are people who are exponentially smarter than I and can design and build these systems.

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I have the same and it has proved to be invaluable over the years. It used to be free of charge at one time from Pratt. Purely for interest's sake. File is a table describing the basic differences between the various engine models. It is not a detailed list of changed components - just the basic changes as the engines were developed.

I am just trying to prep for getting into the PT-6 for a job and this sure helps. Thank you! These will be very helpful. I put a lot of time into producing and posting and then an insane amount of time in keeping it clear for a couple of months - in the end I just shut it down.

I did upload them to a couple of different free sites - Scribd for one and they should be able to be downloaded if you google Freebee PT6 If I get some request for the stuff I might consider trying another site for the downloads. Even when something is free some jerk wants to catch a ride on it - sign of the times I guess. Regards, Mx. I changed it on the first post and here it is again. Your training material helps me a lot Thanks so much for your kindly free share I had translate some of it to Chinese, then we can know much more about PT6 engine you are really a kind man!Model S2R — T Manual Number: T Oct 31, The chapters which have been revised or added are listed below with the Highlights of each change.

Remove the affected pages and insert this B10 Revision in accordance with the attached Instruction Page. They are there to help guide your engine through the process at the facility and make certain they are keeping to the terms offered to you in its proposal.

Feb 8, Always refer to the Pilots Operating. The installation steps and required checks listed in the PT6 engine maintenance manual ensure that the Sheath is installed properly onto the fuel manifold adapters and also ensures that there is no disruption of the fuel spray as it exits the fuel nozzle. Therefore any contact between the Wencor Sheath and the Duplex Fuel.

Jan 17, Service Bulletin Nos. This information is for informational purposes only and ATS makes no representations about the accuracy or completeness of these guidelines. You are encouraged to consult the appropriate Service Bulletins and Engine.

Maintenance Manuals Dec 1, The PT6 engine is truly an icon of aviation both in Canada and worldwide. With close Since the 's there have been somewhere around 36 PT6A engines produced This handbook is notQuick Links. Table of Contents. Just like you, operators around the globe have made the PT6A engines their choice in the business and general aviation market — This will help us to coordinate our support in a timely manner.

pt6a 20 maintenance manual pdf

Engine Model: Engine Serial Number: Engine Logbook: Each engine is supplied with a logbook s to record all maintenance actions as well as engine running times and cycles. Page 6 DisclAimer Disclaimer The information contained herein has been set out in summary form and is provided for general reference purposes only and may be changed without prior notice.

You have the option of scheduling a meeting at your convenience or we will be happy to send you an information kit with brochures and a copy of the presentation that you may review at your leisure. Page 11 pt6A engine generAl PT6A Engine Overview Unmatched versatility, dependability and performance have made the PT6A engine the most thoroughly proven and popular turboprop engine family in the to 1,shp class, covering a diverse range of applications across all aircraft markets.

We continually invest in technology to make our engines the most environmentally friendly and to offer even greater value in the form of higher performance and digital engine control. Page 12 moDulArity The design of the PT6A engine allows it to be split into two major parts called the power section assembly and the gas generator assembly.

Only certain engine models are defined as being modular, which allows the interchange and tracking of each module. Three criteria must be met for the engine to be modular.

During an engine start, only the compressor section of the PT6A engine needs be rotated by the starter-generator. By comparison, a fixed-shaft engine must spin all rotating components including the reduction gearbox and propeller during an engine start, resulting in a requirement for heavier starting systems.

Page 14 principles of operAtion The PT6A engine consists of two main sections, the gas generator section and the power section. The gas generator section compresses and delivers air to the combustion chamber where it is mixed with fuel and ignited.

The resulting hot gases turn the compressor turbine which provides the power to run the compressor and the accessory gearbox located at the rear of the engine. Page 15 Airflow Air is directed to a compressor consisting of three axial stages Four axial stages on large PT6A engine models and one centrifugal stage. Compressed air leaving the compressor passes through diffuser pipes which turn the flow 90 degrees, reduce its speed and direct the air into the combustion chamber.

Page 16 power trAin A shaft connects the power turbine to the two-stage planetary reduction gearbox. The first stage reduction ring gear floats axially against a hydraulic torquemeter cylinder.

The oil pressure in this cylinder is proportional to output torque which is displayed on the torque indicator in the cockpit. Page 17 beArings Support of the main shafts in the PT6A engine is accomplished by a combination of ball and roller bearings.

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Ball bearings support axial and radial loading, while the roller bearings support only radial loads, allowing for thermal expansion. Page 18 foD protection Inertial Separator The nacelle inlet of many aircraft models includes an inertial separator provided by the aircraft manufacturer to prevent heavy particles from entering the engine inlet.

Most installations incorporate two moveable vanes, one upstream of the engine inlet and the other blocking the bypass duct. Page 19 fuel system The fuel system is designed to deliver clean fuel to the engine at the pressure and flow that are necessary for all engine operating conditions.

Page 20 oil system The PT6A engine has a self-contained oil system with the exception of the oil cooler, air duct and associated plumbing.

The oil level should be verified after engine shutdown and while the oil is still hot, using either a dipstick or a sightglass. Page 21 typicAl pt6A engine instrumentAtion Incorporated into the design of the PT6A engine are accurate and reliable torque and ITT measuring systems that give the pilot an accurate indication of the primary engine operating parameters. Torque Pressure is sensed by a torque pressure transducer mounted on the reduction gearbox, to indicate the torque being developed by the engine.

Page 22 controls Cockpit Powerplant Controls PT6A engine applications use the engine power management system and propeller beta control capability to obtain optimum airplane flight and ground handling capability. The powerplant functions are typically commanded from the cockpit by means of three control levers and push- pull cables.

Page 23 controls Secondary control inputs located on the propeller governor include the beta valve and the fuel governor reset. These controls are used in conjunction with the propeller low blade angle feedback system and the engine propeller reversing control system for propeller beta control and reverse thrust control. Page 24 Propeller Overspeed Governor All PT6A turboprop installations are equipped with an airframe-supplied propeller overspeed governor.

This unit has its own dedicated drive from the engine reduction gearbox and is intended to limit the propeller speed to a predetermined maximum value in the event of a malfunction of the primary propeller governor.

Page 25 emergency power lever Introduction The manual override function, when connected to the EPL, is intended for use during emergencies or closely monitored training only and must never be used during normal engine operation.

This lever should only be used to modulate engine power to allow the pilot to continue flight to the nearest airport in the event of malfunction in the fuel control pneumatic system resulting in one of the following conditions: 1.All original authorship of ATP is protected under U.

Index t o. Whitney Canada. T a b l e of Contents. Record of Revisions.

Maintenance, Repair & Overhaul

Record of T e m p o r a r y Revisions. Letter of Transmittal. Highlights of Changes. L i s t of Effective.

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Description of Engine. Leading Particulars and Specifications. Ignition System. P u m p Vane Type. P u m p Gear Type.

Cummins QSX15 Engines Series Operation and Maintenance Manual - PDF DOWNLOAD

P o w e r Turbine Governor. Customer Service. Secti o n. Temperature Compensator. Complete Operation. S p r a y Nozzles. E n g i n e Controls.

pt6a 20 maintenance manual pdf

P r o p e l l e r Non-Reversing Inst. PT6A-6 Engines. PT6A-6A Engines. PT6A Engines. PT6AB Engines. System Servicing. Preparation for Service or Storage. Specific Parts. Field Cleaning. E n g i n e External. Marking of Parts. Temporary Marking Methods. Elbow Fittings. Touch-Up Solution. T o r q u e Recommendations. Ground S a f e t y Precautions. Extreme Weather Conditions.Taking the time to get to know our customers, their operation, and the environment in which they run their aircraft are the keys to providing repair, overhaul, and modification services designed to keep operating costs down and planes safely in the air.

Our existing customers know our level of dedication, which is why we have one of the highest repeat business ratios in the industry. ATS is committed to supporting the PT6 industry by offering support to operators and mechanics in the field. Our staff has a considerable and unique level of experience in troubleshooting all types of engine problems and is always available to assist you as a knowledgeable resource.

ATS can work with your operation to develop a customized trend monitoring program designed to maximize the functional and financial potential of your PT6A engine s. Additionally, trend monitoring can serve as an essential troubleshooting tool to assist in identifying potential problems before they translate into costly repairs.

ATS can help you prevent the impact of costly overhaul expenditures by providing a customized maintenance plan for your engine s. Taking the time to get to know our customers, their operation, and the environment in which they run their aircraft are the keys to providing maintenance solutions designed to keep operating costs down and planes safely in the air.

Our standard familiarization course teaches these principles utilizing practical examples that students are quick to grasp and retain. We also offer specialized hands-on training at our main service center tailored to fleet specific operation requirements and procedures. Our repair facility maintains cleaning, inspection, assembly and test stations including NDT, balancing, a full-service machine shop, and an approved and calibrated test cell.

Pratt & Whitney Canada PT6A Turboprop Instruction Manual

Through our years of experience on PT6A engines we have developed several proprietary MRO procedures that exceed OEM requirement standards thereby allowing us to provide a level of workmanship that keeps operating costs down and planes safely in the air. We focus on customers before deciding on a work scope — we are not an invoice driven company.

Additionally, we limit repair costs by doing an engine evaluation and repairing not replacing parts if possible. As part of our on-going service initiative at ATS, we maintain a comprehensive stock of flight-ready engines for immediate shipment. There are no lights, and you will not find it on any published navigational chart. Domestic and International financing solutions. Contact MRO.

Pratt & Whitney Canada PT6A Turboprop Manuals

Yes, I would like to be added to the ATS engine alert list. Engine Trend Monitoring: ATS can work with your operation to develop a customized trend monitoring program designed to maximize the functional and financial potential of your PT6A engine s. Customized Maintenance Plans: ATS can help you prevent the impact of costly overhaul expenditures by providing a customized maintenance plan for your engine s.

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