
ii TSIO-520 Sandcast Series Engine Overhaul Manual
1 December 2012
Supersedure Notice
This manual revision replaces the front cover and list of effective pages for Publication Part No. X30575, dated
February 1987. Previous editions are obsolete upon release of this manual.
Effective Changes for this Manual
0 ..............February 1987 4.............31 August 2011
1 ......................July 1987 5....... 30 November 2011
2 ........... November 1987 6......... 1 December 2012
3 ..............February 1989
List of Effective Pages
Document Title: TSIO-520 Sandcast Series Engine Overhaul Manual
Publication Number: X30575 Initial Publication Date: February 1987
Page Change Page Change Page Change Page Change
Cover .................................... 6 72-10-01 thru 72-10-35......... 0 72-50-05 ............................... 0 74-00-01 thru 74-00-10..........3
ii ............................................ 6 72-10-36 thru 72-10-39......... 1 72-50-06 ............................... 3 75-00-01 thru 75-00-04..........0
iii thru xviii ............................. 3 72-10-40 thru 72-10-48......... 0 72-50-07 thru 72-50-11......... 1 76-00-01 thru 76-00-66..........3
1-00-01 thru 1-00-06 ............. 5 72-20-01 thru 72-20-10......... 0 72-50-12 thru 72-50-13......... 0 77-00-01 thru 77-00-04..........3
1-10-01 thru 1-10-10 ............. 3 72-20-11 thru 72-20-18 ......... 3 72-50-14 thru 72-50-18......... 3 77-10-01 thru 77-10-06..........3
1-20-01 thru 1-20-40 ............. 3 72-30-01 ............................... 5 72-60-01 thru 72-60-02......... 0 77-20-01 thru 77-20-06..........3
1-30-01 thru 1-30-06 ............. 3 72-30-02 ............................... 3 72-60-03 ............................... 3 78-00-01 thru 77-00-04..........3
4-00-01 thru 4-00-04 ............. 3 72-30-03 thru 72-30-07......... 5 72-60-04 ............................... 0 78-10-01 thru 78-10-02..........3
5-00-01 thru 5-00-04 ............. 3 72-30-08 thru 72-30-11 ......... 3 72-60-05 ............................... 3 78-20-01 thru 78-20-02..........3
5-10-01 thru 5-10-02 ............. 3 72-30-12 ............................... 0 72-60-06 ............................... 0 79-00-01 thru 79-00-04..........3
5-20-01 thru 5-20-04 ............. 3 72-30-13 thru 72-30-14......... 3 72-60-07 ............................... 3 79-10-01 thru 79-10-02..........3
5-30-01 thru 5-30-02 ............. 3 72-30-15 ............................... 0 72-60-08 thru 72-60-20......... 0 79-20-01 thru 79-20-02..........3
70-00-01................................ 1 72-30-16 ............................... 3 72-70-01 thru 72-70-05......... 0 80-00-01 thru 80-00-10..........3
70-00-02 thru 70-00-04......... 3 72-30-17 ............................... 0 72-70-06 thru 72-70-07......... 2 81-00-01 thru 81-00-02..........3
70-10-01 thru 70-10-02......... 3 72-30-18 thru 72-30-22......... 3 72-70-08 thru 72-70-10......... 0 81-10-01 thru 81-10-06..........3
70-20-01 thru 70-20-02......... 3 72-40-01 thru 72-40-03......... 0 72-80-01 thru 72-80-08......... 0 81-20-01 thru 81-20-02..........3
70-30-01 thru 70-30-02 ......... 3 72-40-04 thru 72-40-05......... 3 73-00-01 thru 73-00-02......... 0
70-40-01 thru 70-40-02 ......... 3 72-40-06 thru 72-40-20......... 0 73-00-03 ............................... 2
70-50-01 thru 70-50-06 ......... 3 72-50-01 thru 72-50-03......... 0 73-00-04 ............................... 0
72-00-01 thru 72-00-16......... 3 72-50-04 ............................... 3 73-10-01 thru 73-10-06......... 0
Published and printed in the U.S.A. by Continental Motors, Inc.
Available exclusively from the publisher: P.O. Box 90, Mobile, AL 36601
Copyright © 2011-2012 Continental Motors, Inc. All rights reserved. This material may not be reprinted, republished, broadcast, or otherwise
altered without the publisher's written permission. This manual is provided without express, statutory, or implied warranties. The publisher will
not be held liable for any damages caused by or alleged to be caused by use, misuse, abuse, or misinterpretation of the contents. Content is
subject to change without notice. Other products and companies mentioned herein may be trademarks of the respective owners.