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GE T700 Turbo Shaft engine maintenance manual T701
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ARMY TM 1-2840-248-23
AIR FORCE T.O. 2J-T700-6
AVIATION UNIT AND INTERMEDIATE
MAINTENANCE MANUAL
ENGINE, AIRCRAFT
TURBOSHAFT
MODELS T700-GE-700
T700-GE-701
T700-GE-701C
DISTRIBUTION STATEMENT A: Approved for public release;
distribution is unlimited.
This publication supersedes TM 55-2840-248-23/T.O. 2J-T700-6,
dated 28 April 1982, including all changes.
1 JUNE 1999
ENGINE GENERAL 1-1
COMPRESSOR SECTION 2-1
COMBUSTION SECTION 3-1
POWER TURBINE 4-1
ACCESSORY GEARBOX 5-1
FUEL SYSTEM 6-1
ELECTRICAL SYSTEM 7-1
OIL SYSTEM 8-1
DRIVE SYSTEM (NA) 9-1
MISCELLANEOUS EQUIPMENT
AIR SYSTEM 10-1
REFERENCES A-1
MAINTENANCE ALLOCATION
CHART B-1
REPAIR PARTS AND
SPECIAL TOOLS LIST C-1
EXPENDABLE SUPPLIES AND
MATERIALS LIST D-1
SCHEMATIC DIAGRAMS E-1
ILLUSTRATED LIST OF
MANUFACTURED ITEMS F-1
TORQUE LIMITS G-1
GENERAL MAINTENANCE
PRACTICES H-1
TECHNICAL MANUAL

TM 1-2840-248-23
T.O. 2J-T700-6
C5
CHANGE HEADQUARTERS, DEPARTMENTS OF THE
ARMY AND THE AIR FORCE
NO. 5 WASHINGTON, D.C., 31 October 2002
Aviation Unit and Intermediate Maintenance Manual
ENGINE, AIRCRAFT, TURBOSHAFT
MODELS T700-GE-700, T700-GE-701, T700-GE-701C
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
TM 1-2840-248-23/T.O. 2J-T700-6, 01 June 1999, 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 Insert pages
A through D A through C/(D blank)
i and ii i and ii
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1-99 through 1-104 1-99 through 1-104
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C-1/(C-2 Blank) C-1/(C-2 Blank)

TM 1-2840-248-23
T.O. 2J-T700-6
C5
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D-1 and D-2 D-1 and D-2
G-5 and G-6 G-5 and G-6
H-19 through H-30 H-19 through H-30
INDEX 15 and INDEX 16 INDEX 15 and INDEX 16
INDEX 33 and INDEX 34 INDEX 33 and INDEX 34
2. Retain this sheet in front of manual for reference purposes.
By Order of the Secretaries of the Army and the Air Force:
ERIC K. SHINSEKI
General, United States Army
Chief of Staff
Official:
JOEL B. HUDSON
Administrative Assistant to the
Secretary of the Army
JOHN P. JUMPER
General, USAF
Chief of Staff
Official:
LESTER L. LYLES
General, USAF
Commander, AFMC
DISTRIBUTION:
To be distributed in accordance with Initial Distribution Number (IDN) 311557, requirements
for TM 1-2840-248-23.
0225205

TM 1-2840-248-23
T.O. 2J-T700-6
C4
CHANGE HEADQUARTERS, DEPARTMENTS OF THE
ARMY AND THE AIR FORCE
NO. 4 WASHINGTON, D.C., 21 December 2001
Aviation Unit and Intermediate Maintenance Manual
ENGINE, AIRCRAFT, TURBOSHAFT
MODELS T700-GE-700, T700-GE-701, T700-GE-701C
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
TM 1-2840-248-23/T.O. 2J-T700-6, 01 June 1999, 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 Insert pages
A through D A through C/(D blank)
1-7 and 1-8 1-7 and 1-8
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5-27 through 5-30 5-37 through 5-30
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7-7 and 7-8 7-7 and 7-8

TM 1-2840-248-23
T.O. 2J-T700-6
C4
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8-5 and 8-6 8-5 and 8-6
8-61 and 8-62 8-61 and 8-62
10-31 and 10-32 10-31 and 10-32
A-1 and A-2 A-1 and A-2
D-1 and D-2 D-1 and D-2
D-5 and D-6 D-5 and D-6
H-19 through H-30 H-19 through H-30
INDEX 1 and INDEX 2 INDEX 1 and INDEX 2
INDEX 7 and INDEX 8 INDEX 7 and INDEX 8
INDEX 17 and INDEX 18 INDEX 17 and INDEX 18
2. Retain this sheet in front of manual for reference purposes.
By Order of the Secretaries of the Army and the Air Force:
ERIC K. SHINSEKI
General, United States Army
Chief of Staff
Official:
JOEL B. HUDSON
Administrative Assistant to the
Secretary of the Army
JOHN P. JUMPER
General, USAF
Chief of Staff
Official:
LESTER L. LYLES
General, USAF
Commander, AFMC
DISTRIBUTION:
To be distributed in accordance with Initial Distribution Number (IDN) 311557, requirements
for TM 1-2840-248-23.
0131703

TM 1-2840-248-23
T.O. 2J-T700-6
C3
CHANGE HEADQUARTERS, DEPARTMENTS OF THE
ARMY AND THE AIR FORCE
NO. 3 WASHINGTON, D.C., 31 JANUARY 2001
Aviation Unit and Intermediate Maintenance
ENGINE, AIRCRAFT, TURBOSHAFT
MODELS T700-GE-700, T700-GE-701, T700-GE-701C
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited
TM 1-2840-248-23/T.O. 2J-T700-6, 01 June 1999, 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 page
A through C/(D blank)
i through xiv
1-29 and 1-30
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Insert pages
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T.O. 2J-T700-6
C3
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1-341 through 1-344
1-347 and 1-348
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1-359 and 1-360
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1-391 and 1-392
1-421 and 1-422
1-431 and 1-432
1-451 and 1-452
1-463 and 1-466
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1-518.1/(1-518.2 blank)
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TM 1-2840-248-23
T.O. 2J-T700-6
C3
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3-49 and 3-50
3-61 and 3-62
3-65 and 3-66
4-23 and 4-24
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6-33 and 6-34
7-11 through 7-14
10-25 and 10-26
10-29 through 10-32
A-1 and A-2
B-47 and B-48
H-27 and H-28
INDEX 1 through INDEX 4
INDEX 13 through INDEX 18
INDEX 21 through INDEX 28
INDEX 31 through INDEX 34
Insert pages
3-49 and 3-50
3-61 and 3-62
3-65 and 3-66
4-23 and 4-24
5-17 and 5-18
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6-33 and 6-34
7-11 through 7-14
10-25 and 10-26
10-29 through 10-32
A-1 and A-2
B-47 and B-48
H-27 and H-28
INDEX 1 through INDEX 4
INDEX 13 through INDEX 18
INDEX 21 through INDEX 28
INDEX 31 through INDEX 34
2. Retain these sheets in front of manual for reference purposes.
By Order of the Secretaries of the Army and the Air Force:
ERIC K. SHINSEKI
General, United States Army
Chief of Staff
Official:
JOEL B. HUDSON
Administrative Assistant to the
Secretary of the Army
0102204
MICHAEL E. RYAN
General, USAF
Chief of Staff
Official:
LESTER L. LYLES
General, USAF
Commander, AFMC
Distribution:
To be distributed in accordance with Initial Distribution Number (IDN) 311557, requirements for TM 1-2840-248-23.

CHANGE
NO.2
TM 1-2840-248-23
T.O. 2J-T700-6
C2
HEADQUARTERS DEPARTMENTS OF
THE ARMY AND THE AIR FORCE
WASHINGTON, DC 1 May 2000
Aviation Unit and Intermediate Maintenance
ENGINE, AIRCRAFT, TURBOSHAFT
MODELS T700-GE-700, T700-GE-701, T700-GE-701C
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited
TM 1-2840-248-23/T.O. 2J-T700-6, 01 June 1999, 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 through C/(D blank)
1-53 and 1-54
1-271 and 1-272
1-327 through 1-330
1-373 and 1-374
3-33 and 3-34
3-37 and 3-38
-------
3-55 and 3-56
10-23 and 10-24
Insert pages
A through C/(D blank)
1-53 and 1-54
1-271 and 1-272
1-327 through 1-330
1-373 and 1-374
3-33 and 3-34
3-37 and 3-38
3-38.1/(3-38.2 blank)
3-55 and 3-56
10-23 and 10-24
2. Retain this sheet in front of manual for reference purposes.

TM 1-2840-248-23
T.O. 2J-T700-6
C2
By Order of the Secretaries of the Army and Air Force:
ERIC K. SHINSEKI
General, United States Army
Chief of Staff
Official:
JOEL B. HUDSON
Administrative Assistant to the
Secretary of the Army
0003801
RONALD R. FOGELMAN
General, USAF
Chief of Staff
Official:
GEORGE T. BABBITT
Genera/, USAF
Air Force Materiel Command (AFMC)
Distribution:
To be distributed in accordance with Initial Distribution Number (IDN) 311557, requirements for
TM 1-2840-248-23.
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The GE T700 Turbo Shaft engine maintenance manual is a comprehensive guide covering the T701 model, spanning 1456 pages and dated June 1, 1999. This manual is designed for aviation unit and intermediate maintenance of aircraft turboshaft engines. It is applicable to various models including T700-GE-700, T700-GE-701, and T700-GE-701C. Whether you are a professional mechanic or a DIY enthusiast, this manual provides essential technical information for the maintenance of these engines.