TB 1-1520-251-20-13
Alodine 1200 or equivalent per
**
Chemical film
MIL-C-5541 Class 1A conversion
coating
Brush
Small, acid resistant brush
++
Water
Fresh, purified water suitable for clean
**
rinsing
Rubber gloves
Latex or nitrile disposable elastic
**
gloves
Marking labels
Adhesive marking labels or a suitable
**
marking pen
Tape
Any self adhesive tape wide enough to
**
cover each vent hole with a single
strip
** - The quantity will vary with each application. Typically, a minimum package size quantity will be ade-
quate for this process with an expected surplus.
++ - The brush is not required if a brush or a suitable applicator is included with the chemical film solu-
tion.
5. APPLICATIONS.
5.1
Level of Maintenace. AVIM
5.2
Time Required. N/A
5.3
Publication Change. TBD
6. REFERENCES. Interactive Electronic Technical Manual (IETM): TM 1-1520-251-Longbow/Apache
IETM, CD No. 1, Version 3.1.2, Dated 29 May 02, CD Date 1 Dec 01 or subsequent.
7. INSPECTION -- Visually inspect all rework as performed. Make sure that the holes drilled in the housing
assembly conform to dimensions specified and all rivets must be even with the surface of the flange ring.
No excess adhesive, primer, or metallic filing debris shall be present on the outer surfaces after assembly.
8. REMOVAL -- Remove the AC generator from the aircraft in accordance with the TM 1-1520-251-Long-
bow/Apache Interactive Electronic Technical Manual (IETM) procedures.
9. PROCEDURES --
9.1
Put the unit on a stable work surface with the drive end (DE) oriented to allow access to the flange.
CAUTION
Use care, do not allow debris to get into generator unit.
9.2 Use self adhesive tape to seal closed the air exhaust vent holes located just below the flange. If tape
does not bond to the generator do as follows:
9.2.1
Remove the adhesive tape.
9.2.2
Clean the area with general use disposable wipes and cleaning solvent.
9.2.3
Apply new tape to seal closed the air exhaust vent holes.
9.3
Clean any dirt, grease, and oil from the generator flange area with general use disposable wipes.
9.4 If the generator has an existing flange ring on it; use a center punch to dimple the center of each pin
that holds the flange ring.
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