Section I. GENERAL
. This bulletin supplements, clarifies and standardizes the rotor blade erosion protection procedures,
applicable aircraft -23 Technical Manuals, in a sand environment.
1-2. Maintenance Forms and Records
. The maintenance forms and records which are required
by personnel who
perform the maintenance functions prescribed in this publication are listed in DA PAM 738-751 (Functional Users Manual
for the Army Maintenance Management System - Aviation (TAMMS-A)).
1-3. REPORTING Errors and Recommending Improvements
. You can help improve this publication.
If you find any
mistakes or if you know of a way to improve the procedures please let us know. Mail your letter, DA Form 2028
(Recommended Changes to Publications and Blank Forms), or 2028-2 located in the back of this TB directly to:
Commander, US Army Aviation and Troop Command, ATTN: AMSAT-I-MP, 4300 Goodfellow Blvd., St. Louis, MO
63120-1798. A reply will be furnished to you.
Section II. DESCRIPTION AND APPLICATION
. Instructions for rotor blade erosion protection consists
of a generic description
of the task with tables
and illustrations which are specific to each aircraft.
1-5. Application. Procedures provide instructions for the application of a kit which protects helicopter rotor blades
against sand erosion and attendant sparking which may occur, depending on the material used in the blade leading edge.
Section III. INSTALLATION PROCEDURES
Exposure to rain will deteriorate guard coating.
If TASK L-100 polyurethane paint is being utilized in conjunction with 3M 8663
polyurethane tape, do not apply TASK L-100 polyurethane paint erosion protection
where 3M 8663 polyurethane tape will be utilized. 3M polyurethane tape will not
adhere sufficiently to TASK L-100 paint surfaces.
1-6. Rotor Blades Erosion/Spark Control Kit.
a. Personnel Requirements. Two people (MOS 67 Series).
b. Supplies . Refer to the table of supplies for each applicable aircraft in Chapter 2.
c. Remove Blades (Step 1)(Optional).