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SECTION II. REVISED CLEANING PROCEDURES
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TB-43-0135 Environmentally Safe Substances for use with Communications-Electronics Equipment Manual
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Recommended DGSC managed alternative materials-continued


TB 43-0135
b. Clean solder connections using Non-Ozone Depleting Chemical Solvent, (see list of recommended solvents
below). The solvent may be applied using a lint-free cloth dampened (not wet) with the solvent, a brush containing the
solvent or a spray solvent application process. Dry area with a clean lint-free cloth.
c.  Use dry, clean, lint-free cloth or brush to remove dust or dirt. If needed, moisten cloth or brush with a Non-Ozone
Depleting Chemical Solvent, (see list of recommended solvents below). After cleaning, wipe dry with clean dry lint-free
cloth.
d. Tape Drive Tape Head Cleaning Method: Soak a lint-less cotton swab with isopropyl alcohol or commercial tape
head cleaner. Clean the tape head using the cotton swab. A Non-Ozone Deleting Chemical Solvent (see para. 4-5) may
be used in place of the isopropyl alcohol; however, the tape head must be wiped dry with a clean lint-less cotton swab and
the head must be allowed to completely dry prior to use.
3-6.
Recommended DGSC managed alternative materials
The following solvent substitutes have demonstrated effective cleaning capability and are available through DGSC. The
solvents are listed in decreasing order of the Flash Point temperature of the material. Characteristics and notes on the
solvents application are listed along with the NSN and packaging information.
CAUTION
These solvents are classified as combustible; appropriate storage and
waste disposal procedures should be followed.
Solvent Name: Skysol
Characteristics: Clear Paraffic Hydrocarbon, d-Lmonene based Liquid, slow drying, mild citrus odor
Flash Point: 152 F
Water Solubility: No
Notes: Precision cleaning, degreasing. Substitute for 1,1,1 tchloroethane and CFC 113.
NSNs:
Solvent Name: Breakthrough
Characteristics: Clear High Purity Hydrocarbon liquid, slow drying, odorless
Flash Point: 150 F
Water Solubility: No
Comments: Mild solvency, general degeasing, parts cleaning and paint cleanup, substitute for Perchloroethylene
degreaser and Stoddard Solvent/Mineral Spirits
NSNs:
Solvent Name: Electron
Characteristics: Clear Oil Distillate Hydcarbon/Terpene liquid, slow drying,
Flash Point: 147 F
Water Solubility: No
Notes:: Grease, oil, carbon, organic resins removal. Electrical maintenance, motors, generators and general
wipe down cleaning. Substitute for 1,1,1 trichloroethane and CFC 113. Safe on most plastic and rubber
materials.
NSNs:
6850-01-375-5553 6 gal pail
6850-01-375-5554 6 x 1 gal pail
6850-01-371-8049 22 oz spray
6850-01-371-8048 15 oz aerosol
Solvent Name: PF-145HP
Characteristics: Clear Naphtha based Liquid, slow drying, Mineral Spirits odor
3-3


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