TB 1--1520--238--20--100
b. AH--64A parts only --
NOMENCLATURE
PART NUMBER
NATIONAL STOCK NUMBER
Tube Assembly
7--311620508
N/A
Tube Assembly
7--311620511
4710--01--174--7289
Tube Assembly
7--311620512
4710--01--172--8189
Tube Assembly
7--311620513
4710--01--171--9247
Tube Assembly
7--311620514
TBD
Tube Assembly
7--311620515--1
N/A
NOTE
Part Number 7--311620508 is used only on aircraft
serial numbers 82--23355 thru 90--00344.
Part Number 7--311620514 is used only on aircraft
serial numbers 82--23355 thru 84--24233.
Part Number 7--311620515--1 is used only on air-
craft serial numbers 90--00345 and subsequent.
c.
AH--64D parts only --
NOMENCLATURE
PART NUMBER
NATIONAL STOCK NUMBER
Tube Assembly
7--511620508--5
4710--01--466--6615
Tube Assembly
7--511620511--5
4710--01--H79--3864
Tube Assembly
7--511620512--5
4710--01--466--6617
Inspection Procedures.
NOTE
The following tasks apply generically to all
fire extinguisher tube assemblies. The
sequence of tube removal is at the
discretion of the maintainer. Refer to the
appropriate task in the technical manuals.
a. Remove and inspect the fire extinguisher tubes for damage --
(1) Check the tube surfaces for cracks, dents, nicks, wear, and chafing IAW reference paragraph
(2) Damage that extends through the protective outer finish and does not exceed the allowable
damage criteria IAW paragraph 8.a (1) can be reworked IAW paragraph 9.b.
NOTE
Do not rework until after performing corrosion in-
spection IAW paragraph 8.b.
(3) If the tube cannot be reworked, replace IAW paragraph 9.a.
3
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