TB 1-1520-238-20-126
(2) Swab vertical outlet ports with cotton swabs soaked in water and allow to air dry.
(3) Reinstall IAW paragraph 9d.
d. Fire bottle outlet port reinstallation --
(1) Apply CPC, MIL--C--81309 Type II, to inside of vertical outlet ports with cotton swab.
(2) Reinstall tube assemblies part number 7--311620503 and part number 7--311620504 IAW
paragraph 12.39, TM 1--1520--238--23 for the AH--64A, and the IETM for the AH--64D.
10. Supply/Parts and Disposition.
a. Parts Required -- Items cited in paragraph 7 may be required to replace defective items.
b. Requisitioning Instructions -- Requisition replacement parts using normal supply procedures. All
requisitions shall use project code (CC 57--59) "X0T" (X--ray Zero Tango).
NOTE
Project code "X0T" is required to track and establish a data base of stock
fund expenditures incurred by the field as a result of SOF actions.
c.
Bulk and Consumable Materials --
Nomenclature
Part Number
NSN
Corrosion resistant fluid
6850--00--551--9577
Corrosion prevention compound
MIL--C--81309, Type II
8030--00--938--1947
Acetone
ASTM D329
6810--00--184--4796
d. Disposition -- Demilitarize/Mutilate IAW TM 1--1500--328--23 any part/component which does not
meet inspection criteria.
e. Disposition of Hazardous Material -- IAW Environmental Protection Agency directives as
implemented by your servicing environmental coordinator (AR 200--1).
11. Special Tools and Fixtures Required. N/A.
12. Application.
a. Category of Maintenance -- AVUM. Aircraft downtime will be charged to AVUM.
b. Estimated Time Required --
(1) To inspect the check valves and vertical outlet ports -- total of 1.5 man--hours using 1
person.
(2) To clean and install the check valves -- total of 1.5 man--hours using 1 person.
(3) To clean the vertical outlet ports -- total of 0.5 man--hour using 1 person.
(4) Total of 3.5 hours downtime for one end item.
c.
Estimated Cost Impact to the Field -- Parts common to all AH--64 series aircraft:
Nomenclature
Part No./NSN
QTY
Cost Ea.
Total
Valve, Stop--Check
7--117210003/
3
1.34
4.02
4820--01--170--1280
Extinguisher, Fire
30205000--2/
2
02.00
04.00
4210--01--393--5792
Total approximate cost per aircraft = 88.02
d. TB/MWOs to be Applied Prior to or Concurrently with this Inspection -- N/A.
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