a720 Tech Manual

TM 55-2840-241-23

TECHNICAL MANUAL

AVIATION UNIT AND AVIATION INTERMEDIATE MAINTENANCE MANUAL

ENGINE, AIRCRAFT, GAS TURBINE MODEL T63-A-720 P/N6887191 NSN 2840-01-013-1339This copy is a reprint which includes current pages from Changes 1 through 15.

HEADQUARTERS, DEPARTMENT OF THE ARMY 2 NOVEMBER 1977

TM 55-2840-241-23 C 18

CHANGE NO. 18

}

HEADQUARTERS DEPARTMENT OF THE ARMY WASHINGTON, D.C., 31 July 1995

Aviation Unit and Aviation Intermediate Maintenance Manual Engine, Aircraft, Gas Turbine Model T63-A-720 P/N 6887191 NSN 2840-01-013-1339DISTRIBUTION STATEMENT A: Approved fur public release; distribution is unlimited. TM 55-2840-241 -23,2 November 1977, is changed as follows: 1. Remove and insert pages as indicated below. New or changed text material is indicated by a vertical bar in the margin. An illustration change is indicated by a miniature pointing hand.

Remove pages i and ii 2-5 and 2-6 4-9 through 4-10.1/(4-10.2 blank) 4-16.1 and 4-16.2 - - - 5-3 and 5-4 - - - 5-15 and 5-16 5-16.1/(5-16.2 blank) 5-19 through 5-20.1/(5-20.2 blank) 7-1 and 7-2 B-9 and B-10 Index 1 and Index 2

Insert pages i and ii 2-5 and 2-6 4-9 through 4-10.1/(4-10.2 blank) 4-16.1 and 4-16.2 4-16.3/(4-16.4 blank) 5-3 and 5-4 5-14.1/(5-14.2 blank) 5-15 and 5-16 516.1/(5-16.2 blank) 5-19 through 5-20.1/(5-20.2 blank) 7-1 and 7-2 B-9 and B-10 Index 1 and Index 2

2. Retain this sheet in front of manual for reference purposes.

TM 55-2840-241-23 C 18

By Order of the Secretary of the Army: DENNIS J. REIMER General, United States Army Chief of Staff

Acting Administrative Assistant to the Secretary of the Army00863

DISTRIBUTION: To be distributed in accordance with DA Form 12-31-E, block no. 1802, requirements for TM 55-2840-241-23.

TM 56-2840-241-23 C17 CHANGE NO. 17 HEADQUARTERS DEPARTMENT OF THE ARMY WASHINGTON, D.C., 4 November 1994

Aviation Unit and Aviation Intermediate Maintenance Manual Engine, Aircraft, Gas Turbine Model T63-A-720 P/N 6867191 NSN 2640-01-013-1339 DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited TM 55-2840-241-23, 2 November 1977, is changed as follows: 1. Remove and insert pages as indicated below. New or changed text material is indicated by a vertical bar in the margin. An illustration change is indicated by a miniature pointing hand. Remove pages 2-5 and 2-6 7-1 through 7-4 - - Insert pages 2-5 and 2-6 7-1 through 7-4 7-4.1/(7-4.2 blank)

2. Retain this sheet in front of manual for reference purposes.

By Order of the Secretary of the Army:

Official:MILTION H. HAMILTON

GORDON R. SULLIVAN General, United States Army Chief of Staff

Administrative Assistant to the Secretary of the Army

DISTRIBUTION: To be distributed in accordance with DA Form 12-31-E, block no. 1802, requirements for TM 55-2840241-23.

TM 55-2840-241-23 C 16 CHANGE NO. 16 HEADQUARTERS DEPARTMENT OF THE ARMY WASHINGTON, D.C., 15 OCTOBER 1993 AVIATION UNIT AND AVIATION INTERMEDIATE MAINTENANCE MANUAL ENGINE, AIRCRAFT, GAS TURBINE MODEL T63-A-720 P/N 6887191 NSN 2840-01-013-1339

DISTRIBUTION STATEMENT A:

Approved for public release; distribution is unlimited.

TM 55-2840-241-23, 2 November 1977, is changed as follows: 1. Remove and insert pages as indicated below. New or changed text material is indicated by a vertical bar in the margin. An illustration change is indicated by a miniature pointing hand. Remove pages 1-1/(1-2 blank) 2-1 through 2-4 3-1 and 3-2 3-5 and 3-6 4-7 and 4-8 4-13 and 4-14 4-16.1/(4-16.2 blank) 5-3 and 5-4 5-4.1/(5-4.2 blank) 5-16.1/(5-16.2 blank) 7-5 and 7-6 7-11 and 7-12 10-1 and 10-2 10-7 and 10-8 12-3 and 12-4 13-1 and 13-2 A-1/(A-2 blank) 2. Insert pages 1-1/(1-2 blank) 2-1 through 2-4 3-1 and 3-2 3-5 and 3-6 4-7 and 4-8 4-13 and 4-14 4-16.1 and 4-16.2 5-3 and 5-4 5-4.1/(5-4.2 blank) 5-16.1/(5-16.2 blank) 7-5 and 7-6 7-11 and 7-12 10-1 and 10-2 10-7 and 10-8 12-3 and 12-4 13-1 and 13-2 A-1/(A-2 blank)

Retain this sheet in front of manual for reference purposes.

TM 55-2840-241-23 C 16

By Order of the Secretary of the Army:

GORDON R. SULLIVAN Official: MILTON H. HAMILTON

General, United States Army Chief of Staff

Administrative Assistant to the Secretary of the Army05528

DISTRIBUTION: To be distributed in accordance with DA Form 12-31-E, block no. 1802, requirements for TM 55-2840-241-23.

TM 55-2840-241-23 C 15 CHANGE NO. 15 HEADQUARTERS DEPARTMENT OF THE ARMY WASHINGTON, D.C., 14 August 1991 AVIATION UNIT AND AVIATION INTERMEDIATE MAINTENANCE MANUAL ENGINE, AIRCRAFT, GAS TURBINE MODEL T63-A-720 P/N 68887191 NSN 2840-01-013-1339 TM 55-2840-241-23, 2 November 1977, is changed as follows: 1. Remove and insert pages as indicated below. New or changed text material is indicated by a vertical bar in the margin. An illustration change is indicated by a miniature pointing hand. Remove pages 1-1/1-2 4-12.1 and 4-12.2 4-13 and 4-14 4-16.1/4-16.2 5-7 and 5-8 5-18.1/5-18.2 5-21 and 5-22 7-5 and 7-6 7-9 and 7-10 7-19 and 7-20 11-1 and 11-2 A-1/A-2 2. Insert pages 1-1/1-2 4-12.1 and 4-12.2 4-13 and 4-14 4-16.1/4-16.2 5-7 and 5-8 5-18.1/5-18.2 5-21 and 5-22 7-5 and 7-6 7-9 and 7-10 7-19 and 7-20 11-1 and 11-2 A-1/A-2

Retain this sheet in front of manual for reference purposes.

By Order of the Secretary of the Army: GORDON R. SULLIVAN General, United States Army Chief of Staff

Official: PATRICIA P. HICKERSON Colonel, United States Army The Adjutant General

DISTRIBUTION: To be distributed in accordance with DA Form 12-31-E, block no. 1802, AVUM and AVIM maintenance requirements for Engine, Gas Turbine, T63-A-720 (TM 55-2840-241-series).

TM 55-2840-241-23 C 14 CHANGE NO. 14 HEADQUARTERS DEPARTMENT OF THE ARMY WASHINGTON, D.C., 22 September 1988 AVIATION UNIT AND AVIATION INTERMEDIATE MAINTENANCE MANUAL ENGINE, AIRCRAFT, GAS TURBINE MODEL T63-A-720 P/N 68887191 NSN 2840-01-013-1339 TM 55-2840-241-23, 2 November 1977, is changed as follows: 1. Remove and insert pages as indicated below. New or changed text material is indicated by a vertical bar in the margin. An illustration change is indicated by a miniature pointing hand. Remove pages A and B i and ii 1-1 and 1-2 1-3 and 1-4 1-9 through 1-12 2-1 through 2-6 3-5 through 3-8 3-11 and 3-12 4-1 through 4-6 4-7 and 4-8 4-9 and 4-10 4-11 and 4-12 4-13 and 4-14 4-14.1 and 4-14.2 4-15 and 4-16 5-1 and 5-2 5-3 and 5-4 5-4A/5-4B 5-7 through 5-10 5-10.1 through 5-10.4 5-11 through 5-16 5-16A/5-16B 5-17 and 5-18 5-18A 5-19 and 5-20 5-21 and 5-22 Insert pages A and B i and ii 1-1/1-2 1-2.1/1-2.2 1-3 and 1-4 1-9 through 1-12 2-1 through 2-6 3-5 through 3-8 3-11 and 3-12 4-1 through 4-6 4-6.1/4-6.2 4-7 and 4-8 4-8.1/4-8.2 4-9 and 4-10 4-10.1/4-10.2 4-11 and 4-12 4-12.1 and 4-12.2 4-13 and 4-14 4-14.1 and 4-14.2 4-15 and 4-16 5-1 and 5-2 5-2.1/5-2.2 5-3 and 5-4 5-4.1/5-4.2 5-7 through 5-10 5-10.1 through 5-10.4 5-11 through 5-16 5-16.1/5-16.2 5-17 and 5-18 5-18.1/5-18.2 5-19 and 5-20 5-20.1/5-20.2 5-21 and 5-22

TM 55-2840-241-23

C 14 Remove pages 5-27 and 5-28 6-1 and 6-2 7-1 through 7-12 7-15 through 7-18 8-1/8-2 9-1 and 9-2 10-1 through 10-4 10-5 and 10-6 10-7 and 10-8 11-1 through 11-4 12-3 and 12-4 A-l/A-2 B-1 and B-2 B-7 and B-8 B-11 and B-12 Index 1 through Index 6 2. Insert pages 5-27 and 5-28 5-28.1/5-28.2 6-1 and 6-2 7-1 through 7-12 7-15 through 7-18 8-1/8-2 9-1 and 9-2 10-1 through 10-4 10-4.1/10-4.2 10-5 and 10-6 10-6.1/10-6.2 10-7 and 10-8 11-1 through 11-4 11-5/11-6 12-3 and 12-4 A-1/A-2 B-1 and B-2 B-7 and B-8 B-n and B-12 Index 1 through Index 6

Retain these sheets in front of manual for reference purposes.

By Order of the Secretary of the Army: CARL E. VUONO GeneraI, United States Army Chief of Staff

Official: R. L. DILWORTH Brigadier General, United States Army The Adjutant General

DISTRIBUTION: To be distributed in accordance with DA Form 12-31, AVUM and AVIM requirements for Engine, Gas Turbine, T63-A-720 (TM 55-284O-24l-series)

TM 55-2840-241-23 C 13 CHANGE NO. 13 HEADQUARTERS DEPARTMENT OF THE ARMY WASHINGTON, D.C., 6 November 1987 Aviation Unit and Aviation Intermediate Maintenance Manual ENGINE, AIRCRAFT, GAS TURBINE MODEL T63-A-720 P/N 6887191 NSN 2840-01-013-1339 TM 55-2840-241-23, 2 November 1977, is changed as follows: 1. Remove and insert pages as indicated below. New or changed text material is indicated by a vertical bar in the margin. An illustration change is indicated by a miniature pointing hand. Remove pages 5-7 and 5-8 2. Insert pages 5-7 and 5-8

Retain this sheet in front of manual for reference purposes.

By Order of the Secretary of the Army: CARL E. VUONO, General, United States Army Chief of Staff

Official: R. L. DILWORTH Brigadier General, United States Army The Adjutant General

DISTRIBUTION: To be distributed in accordance with DA Form 12-31, AVUM and AVIM requirements for Engine, Gas Turbine, T63-A-720 (TM 55-2840-241 series).

TM 55-2840-241-23 C 12 CHANGE NO. 12 HEADQUARTERS DEPARTMENT OF THE ARMY WASHINGTON, D.C., 14 April 1987 Aviation Unit and Aviation Intermediate Maintenance Manual ENGINE, AIRCRAFT, GAS TURBINE MODEL T63-A-720 P/N 6887191 NSN 2840-01-013-1339 TM 55-2840-241-23, 2 November 1977, is changed as follows: 1. Remove and insert pages as indicated below. New or changed text material is indicated by a vertical bar in the margin. An illustration change is indicated by a miniature pointing hand. Remove pages 13-1 and 13-2 2. Insert pages 13-1 and 13-2

Retain this sheet in front of manual for reference purposes.

By Order of the Secretary of the Army: JOHN A. WICKHAM, JR. General, United States Army Chief of Staff

Official: R. L. DILWORTH Brigadier General, United States Army The Adju