TM 55-1520-240-23-1
1-91
OVERHAUL AND RETIREMENT SCHEDULE
(Continued)
1-91
G. The following serial numbered cross shaft adapter assemblies (P/N 145D3500-17) have a finite life of 3048 hours. Replace cross
shaft adapter assemblies if finite life exceeds 3048.
A-2705
A-3049
A-4001
A-4370
A-466
A-4731
A-4734
A-6098
A-6420
A-6421
A-6522
A-6566
A-6607
A-6611
A-6614
A-6631
A-6688
A-6692
H. The following serial numbered engine drive shafts (P/N 145D3504-2) have a retirement life of 2000 hours:
A-103
A-107
A-193
A-211
A-230
A-243
A-262
A-276
A-280
A-287
A-309
A-327
A-330
A-352
A-385
A-453
A-474
A-501
A-504
A-506
A-517
A-526
A-536
A-538
A-571
A-596
A-612
A-617
A-636
A-638
A-651
A-652
A-675
A-691
A-696
A-704
A-709
A-731
A-741
A-771
A-778
A-792
A-799
A-908
A-921
A-960
A-1200
A-2343
A-11767BK
CH-47D Component Overhaul Interval
COMPONENT
PART NO.
TBO — HOURS
Forward Rotor Head Assembly
145R2003-1
(Note A)
145R2003-3
2400 (Note B)
145R2003-4
(Note A)
145R2003-5
2400 (Note B)
145R2003-6
2400 (Note B)
145R2003-9
2400 (Note B)
145R2003-10
2400 (Note B)
Aft Rotor Head Assembly
145R2004-2
(Note A)
145R2004-6
2400 (Note B)
145R2004-8
(Note A)
145R2004-10
2400 (Note B)
145R2004-12
2400 (Note B)
145R2004-18
2400 (Note B)
145R2004-20
2400 (Note B)
Horizontal Pin
114R2196-2
1200 (Note C)
114R2197-1
1200 (Note C)
114R2197-5
1200 (Note C)
114R2197-7
1200 (Note C)
Forward Head Swashplate Assembly
145R3551-1
1200
145R3551-5
1200
145R3551-11
1200
145R3551-19
1200
Aft Head Swashplate Assembly
145R3551-2
1200
145R3551-6
1200
145R3551-12
1200
145R3551-18
1200
Engine, Gas Turbine
2-001-020-23
2400
Fuel Control, Main
2-161-620-64
2400
Engine, Gas Turbine
2-001-020-39
2400 (Note I)
Hydro-Mechanical Assembly (HMA)
2-170-580-02
2400 (Note I)
Auxiliary Power Unit
160150-10A
6000 Cycles (Note J)
Forward Transmission
145D1300-4
On Condition (Note E)
145D1300-5
On Condition (Note E)
145D1300-6
On Condition (Note E)
145D1300-7
On Condition (Note E)
145D1300-8
On Condition (Note E)
145D1300-9
On Condition (Note E)
Aft Transmission
145D2300-2
On Condition (Note D)
145D2300-3
On Condition
Change 2
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