P&w Twin Wasp Operators Handbook - Dc3, Beaufort On Cd on 2040-parts.com

Operators Handbook – Pratt & Whitney Twin Wasp C Series Engines  (RAAF Publication 72A)

Perfect Scanned copy. 107 pages scanned as High resolution TIF images and then digitally cleaned page by page. Guaranteed the best quality copy of this manual available. Packed with invaluable data including very detailed Photographs, Drawings and Multi-page Colour Cutaway Diagrams. (See detailed contents list below) . Manual printed in March 1939 by the Pratt & Whitney Aircraft Company of East Hartford, Connecticut.  The First Page of the Manual is an Instruction indicating that this manual was adopted by the R.A.A.F as  R.A.A.F Publication 72A. Also included on the CD is an Adobe Acrobat version of the manual for easy browsing (Adobe Reader 7.0 supplied on the CD). Comes in a nicely printed Jewel case. See my other auctions for more vintage aircraft and engine manuals.  

Contents

Introduction

Standard Conditions of Sale of Engines

Ordering Parts

Returning Parts

Engine Data

Description of Engine

Reduction Gear Housing

Reduction Gearing

Main Crankcase

Cylinders

Valve Mechanism

Valve Timing Gear

Crankshaft

Connecting Rods

Blower & Intermediate Blower Sections

Accessory Drives

Lubrication

Lubrication System on C-1 Type Engine

Lubrication System on C Type Engine

Lubrication System on C- 3 Type Engine

Scavenge Oil System on C-1 Type Engine

Scavenge Oil System on C Type Engine

Scavenge Oil System on C- 3 Type Engine

Intake System

Automatic Oil Temperature Control

Ignition

Starting

Controllable Pitch, Constant Speed and Full Feathering Propeller

Installation

Treatment of New Engines

Preparation of New Engines for Running

Starting

Starting Precautions

Ground Running Precautions

Idling Adjustments

Run-In of Engines after Installation

Ground Test

Rough Running of a Newly Installed Engine

Stopping an Engine.

Operation

Proper Operating Conditions

Lubricating Oil

Fuel

Oil Pressure

Oil Leaks

Mixture Control

Manual Mixture Control with Fixed pitch and Controllable Pitch Propellers

Idle Cut-off Valve

Automatic Economizer

Cruise Valve

Pratt & Whitney Automatic Mixture & Power Control Unit

Adjustments

Maintenance

Tool Kit

Periodic Inspection

Preliminary Check

50 to 60 Hour Check

100 to 120 Hour Check

Magneto Mounting (With removable Magneto Drive Gears)

Magneto Mounting (With fixed Magneto Drive Gears)

Magneto Timing

Magneto Timing and Checking with Reduction Gearing Assembled – Field Method

Magneto Timing with Reduction Gearing Removed

Checking Contact Breaker Adjustment

Replacement of Distributor Blocks

Wiring

Removal & Assembly of Cylinder & Piston

Index of Illustrations

Three Quarter Front View of Engine

Three Quarter Right Rear View of Engine

Cross Sectional View of Engine – Longitudinal View

Three Quarter Left Rear View of Engine

Oil System Diagram

Fuel System Diagram

Operation of Manual Mixture Control

Magneto – Showing Timing Marks

Wiring Diagram

Lubrication Chart “C” Type Engine – Longitudinal View

Lubrication Chart “C” Type Engine – Rear View

Lubrication Chart “C-1” Type Engine – Longitudinal View

Lubrication Chart “C-1” Type Engine – Rear View

Front View -  Showing Single Ignition Wire manifold, Governer Mounting Pad & Valve Lubricating Oil Sump

Front View with Reduction Gear Housing Removed – Showing 3-2 Drive Gear & Drive Gear Bearing Support

Front View - Showing Front Cam & Valve Tappets

Front Power Section – Showing Crankshaft , Master Rod, Link Rod & Piston Assembly

Rear View – Showing Rear Cam Drive Gears & Tappets

Rear View  - Showing Impeller & Blower Section

Front View of Intermediate Blower Section – Showing Diffuser Plate & Entrance Throat

Rear View of Intermediate Blower Section – Showing Dual Spring Loaded Impeller Drives and Generator Drive Gears

Rear View – Showing Rear Case in Place with Magneto, Starter & Generator Drives Exposed.

Rear View – Showing C Type Rear with Magnetos and Pratt & Whitney Automatic Carburettor & Accessory Drives

** Note that the sample pages are a much lower resolution than those on the CD.

Please contact with further enquiries.

CD sent via First Class Airmail from Australia

Delivery within 10 working days of payment