TM-1-1500-344-23-2

AIRCRAFT VOLUME II

TECHNICAL MANUAL; CLEANING AND CORROSION CONTROL

APRIL 2009

  TM-1-1500-344-23-2 - Page 31 of 240

2-7
NAVAIR 01-1A-509-2
TM 1-1500-344-23-2
15 April 2009
its residues, and separate reservoirs for cleaning solution
and waste. Cabinet-style parts washers have been
implemented to replace the use of 1,1,1-trichloroethane
vapor degreasing and to reduce the dependence upon
MIL-PRF-680 Type II. They are suitable for degreasing
disassembled components. This cleaning process
effectively removes soils, oils/greases, corrosion
preventive compounds and other contaminants by
applying aqueous cleaner at varying combinations of
high temperature and pressure. The washers are
equipped with oil skimming devices and particulate
filtration devices to extend the life of the cleaning
solution. Cognizant aircraft engineering authority
approval is required prior to using cabinet-style parts
washers for cleaning bearings or aluminum alloy parts.
General operating instructions are given in
paragraph 2-8.4.
2-7.9. MISCELLANEOUS EQUIPMENT. Accessories
and consumable materials for manual operations, listed
in Volume IV, Chapters 2 and 3, include the following
important items:
2-7.9.1. 3M No. 33 Aircraft Cleaning Pads and 3M No.
261 Pad Holders are replacements for the 3M No. 251M
Washing Kit for Exterior Aircraft Washing Operations.
The wooden handle used with the No. 251M Washing
Kit can also be used with the 3M No. 261 Pad Holder;
however, use of the A-A-1464 Aluminum Handle is
highly recommended because it is more ergonomic and
easily extendable from five to ten feet. The No. 33 pads
are primarily used for general aircraft cleaning.
2-7.9.2. 3M "Jet Pad" Melamine Wash Pads are soft
foam pads with a urethane foam backing and a polyester
attachment layer. These pads have demonstrated
cleaning efficiency that is superior to conventional woven
polyester cleaning pads. The Jet Pads are compatible
with the 3M No. 261 Pad Holder, and are recommended
for hard to clean soils; however, they will degrade over
time and generate debris during use.
2-7.9.3. Non-Metallic Cleaning and Polishing Pads
(A-A-3100) are crimped polyester fiber pads for detergent
and solvent cleaning aircraft surfaces. Do not use with
paint removers.
2-7.9.4. Brushes, Non-Metalic Bristles (MIL-B-23958,
A-A-3080) are used with aircraft detergent cleaners,
such as MIL-PRF-85570.
2-7.9.5. Cheesecloth (CCC-C-440) and non-woven
cloth (CCC-C-46) are used for cleaning critical areas
where an exceptionally clean cloth is required, such as
solvent cleaning prior to painting, adhesive bonding, or
sealing.
2-7.9.6. Plastic spray bottles are used for applying
diluted MIL-PRF-85570 Type I or II or concentrated
Type V.


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