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TM 55-1520-236-23-3
T E C H N I C A L M A N U A L
AVIATION UNIT AND INTERMEDIATE
M A I N T E N A N C E M A N U A L
A R M Y M O D E L
AH-1P (PROD)
A H - l E ( E C A S )
A H - l F ( M O D E R N I Z E D C O B R A )
H E L I C O P T E R S
“Approved for public release; distribution is unlimited.”
HEADQUARTERS, DEPARTMENT OF THE ARMY8 MAY 1980
PIN: 045513-013
TM 55-1520-236-23-3C 19
CHANGE
NO. 19
HEADQUARTERSDEPARTMENT OF THE ARMY
WASHINGTON, D.C., 30 April 1996
Aviation Unit and IntermediateMaintenance Manual
ARMY MODELAH-1P (PROD)AH-1E (ECAS)
AH-1F (MODERNIZED COBRA)HELICOPTERS
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
TM 55-1520-236-23-3, 8 May 1980, is changed as follows:
3. Remove and insert pages as indicated below. New or changed text material is indicated by a vertical barin the margin. An illustration change is indicated by a miniature pointing hand.
Remove pages
i and ii
v and vi
xix and xx
D-1 and D-2
D-7 through D-9/(D-10 blank)
D-149 and D-150- - - -
E-1 through E-6
Insert pages
i and ii
v and vi
xix and xx
D-1 and D-2
D-7 through D-9/(D-10 blank)D-149 and D-150D-345/(D-346 blank)E-1 through E-6
4. Retain this sheet in front of manual for reference purposes.
TM 55-1520-236-23-3C 19
By Order of the Secretary of the Army:
DENNIS J. REIMERGeneral, United States Amy
Chief of Staff
Administrative Assistant to theSecretary of the Amy
01910
DISTRIBUTION:To be distributed in accordance with DA Form 12-31-E, block no. 1149, requirements for
TM 55-1520-236-23-3.
URGENTTM 55-1520-236-23-3
C 18
CHANGE
NO. 18
HEADQUARTERSDEPARTMENT OF THE ARMY
WASHINGTON, D.C., 31 October 1995
Aviation Unit and IntermediateMaintenance Manual
ARMY MODELAH-1P (PROD)AH-1E (ECAS)
AH-1F (MODERNIZED COBRA)HELICOPTERS
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited
TM 55-1520-236-23-3, 8 May 1980, is changed as follows:
1. The Banner Page instructions for change 16 were to remove and insert page D-135 and D-136, shouldhave read, remove and insert page D-335 and D-336.
2. Remove and insert pages as indicated below. New or changed text material is indicated by a vertical barin the margin. An illustration change is indicated by a miniature pointing hand.
Remove pagesi through vivi.1/(vi.2 blank)vii and viiiviii.1/(viii.2 blank)ix and xx.1/(x.2 blank)xi and xii- - - - - -
xvii and xviiixviii.1/(xviii.2 blank)xix through xxi/(xxii blank)D-15 and D-16
Insert pagesi through vivi.1 and vi.2vii and viiiviii.1/(viii.2 blank)ix and xx.1/(x.2 blank)xi and xiixii.1/(xii.2 blank)xvii and xviiixviii.1 and xviii.2xix through xxiiD-15 and D-16
3. Retain this sheet in front of manual for reference purposes.
URGENT
TM 55-1520-236-23-3C 18
By Order of the Secretary of the Army:
YVONNE M. HARRISONAdministrative Assistant to the
Secretary of the Army00965
DENNIS J. REIMERGeneral, United States Army
Chief of Staff
DISTRIBUTION:To be distributed in accordance with DA Form 12-31-E, block no. 1149, requirements for
TM 55-1520-236-23-3.
U R G E N T
C H A N G E
NO. 17
T M 5 5 - 1 5 2 0 - 2 3 6 - 2 3 - 3C 17
H E A D Q U A R T E R S
DEPARTMENT OF THE ARMY
WASHINGTON, D. C., 16 NOVEMBER 1994
Aviation Unit and IntermediateMaintenance Manual
ARMY MODELAH-1P (PROD)
AH-1E (ECAS)
AH-1F (MODERNIZED COBRA)HELlCOPTERS
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
TM 55-1520-236-23-3,8 May 1980, 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
D-7 and D-8
D-15 and D-16
D-343/(D-344 b lank)
Index 9 and Index 10
Index 13 through Index 16
Index 19 and Index 20
Index 31 and Index 32
Index 35 and Index 36
D-7 and D-8
D-15 and D-16
D-343 and D-344
Index 9 and Index 10
Index 13 through Index 16
Index 19 and Index 20
Index 31 and Index 32
index 35 and Index 36
2. Retain this sheet in front of manual for reference purposes.
URGENT
U R G E N T
TM 55-1520-236-23-3C 17
By Order of the Secretary of the Army:
Official:
MILTON H. HALMILTONAdministrative Assistant to the
Secretary of the Army07031
DISTRIBUTION:
GORDON R. SULLIVANGeneral, United States Army
Chief of Staff
To be distributed in accordance with DA Form 12-31-E, block no. 1149, requirements forTM 55-1520-236-23-3.
URGENT