Lycoming
SERVICE TABLE OF LIMITS AND TORQUE VALUE RECOMMENDATIONS
NOTICE
The basic Table of Limits, SSP2070 (including SSP2070-1, SSP2070-2, SSP2070-3 and SSP2070-3A) has been completely revised and reissued herewith as SSP1776. It is now made up of the following four parts, each part contains five sections.
PART I DIRECT DRIVE ENGINES (Including VO and IVO-360)
PART II INTEGRAL ACCESSORY DRIVE ENGINES
PART III GEARED ENGINES
PART IV VERTICAL ENGINES (Excluding VO and IVO-360)
SECTION I 500 SERIES CRANKCASE, CRANKSHAFT & CAMSHAFT
SECTION II 600 SERIES CYLINDERS
SECTION III 700 SERIES GEAR TRAIN
SECTION IV 800 SERIES BACKLASH (GEAR TRAIN)
SECTION V 900 SERIES TORQUE AND SPRINGS
This publication supersedes and replaces the previous publications SSP2070, SSP2070-1, SSP2070-2, SSP2070-3 and SSP2070-3A; it is not to be used in conjunction with them. To make sure that SSP1776 will receive the attention of maintenance personnel, a complete set of pages for the book is sent to all registered owners of Overhaul Manuals. These recipients should remove all previous Table of Limits material from the Overhaul Manual and discard.
Additional copies of this revised Table of Limits, bound in a plastic cover, are available as indicated in the latest edition of Service Letter No. L114.
Reference numbers in the Table of Limits vary from previous Table of Limits therefore, the current as well as the old numbers are listed. The shaded columns contain the old reference numbers.
SSP1776 April 30,1979* * -Indicates cut-off date for data retrieved prior to publication.
INTRODUCTION
SERVICE TABLEOF LIMITS
This Table of Limits is provided to serve as a guide to all service and maintenance personnel engaged in the repair and overhaul of Textron Lycoming Aircraft Engines. Much of the material herein contained is subject to revi-sion; therefore, if any doubt exists regarding a specific limit or the incorporation of limits shown, an inquiry should be addressed to the Textron Lycoming factory for clarification.
DEFINITIONS:
Ref. (1st column) The numbers in the first column headed "Ref." are shown as a reference number to locate the area described in the "Nomenclature" column. This number will be found in a diagram at the end of each section indicating a typical section where the limit is applicable.
Ref. (2nd column) Indicates the old reference number. There are no diagrams in this manual for these numbers. These numbers are only to be found in previous publications.
Chart (3rd column) The letter or letter and number in this column are used as symbols to designate engine models to which the specific limits is applicable. A list of the letter or letter and number and the engine to which they refer is shown below.
Nomenclature (4th column) This is a brief description of the parts or fits specified in the adjacent columns and indicated in the diagram at end of each section.
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