APPLICATIONS

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.