TM 9-4940-568-20
2-213
Solvents used with a spray gun must be used in a spray booth with filter. Face shield
must be used by personnel operating spray gun. Failure to comply may result in injury to
personnel.
f.
Forward Repair System (FRS) Shelter. Use a spray gun and solvent mixture for cleaning exterior of
shelter. Allow mixture to remain on item surface for 10 minutes before rinsing. Rinse with hot water under 80 to 120
pounds of pressure, if available. An ordinary garden hose with nozzle may be used if other equipment is not
available. Rinse thoroughly.
g.
Electrical Parts. Electrical parts, such as coils, junction blocks and switches should not be soaked or sprayed
with cleaning solutions. Clean these parts with a cleaning cloth (Item 13, Appendix C) moistened with drycleaning
solvent (Item 38, Appendix C).
Do not use soap or alkalies for cleaning FRS interiors.
h.
Oil and Fuel Tanks. Pay special attention to all warnings and cautions when working on FRS fuel tank. Oil
tanks and fuel tanks should be flushed, using a spray gun and drycleaning solvent. (Item 38, Appendix C).
i.
Battery. Exterior surfaces of the electrical system and battery should be cleaned with a weak solution of baking
soda and water. Apply solution with a bristle brush to remove corrosion. Pay special attention to all warnings and
cautions when working on batteries.
j.
Hydraulic System. When cleaning hydraulic system parts use drycleaning solvent P-D-680. Clean and
dry parts thoroughly to make sure no residue remains. If a coating preservative is required before assembly, apply
a light film of lubricating oil (Item 24, Appendix C). If petroleum-free solvents are not available, use the same
hydraulic fluid as used in the FRS system.
2-24. GENERAL INSPECTION INSTRUCTIONS.
a.
Cleaning. Clean all parts before inspection. Check for defects such as physical distortion, wear, cracks and
pitting.
b.
Sealing Surfaces. Inspect all surfaces in contact with gaskets, packings, or seals for nicks and burrs. If
any defect is found, remove it before assembly.
c.
Tubing, Hoses and Fittings. Inspect all hose surfaces for broken or frayed fabric. Check for breaks
caused by sharp kinks or contact with other parts of the FRS. Inspect lines for kinks. Inspect fittings and tubing and
mating surfaces and threads for nicks, cracks scratches and other damage. Replace any defective part. After
assembly and during initial operation period, check for leaks.
d.
Electrical Parts. Inspect all wiring harnesses for broken, chafed, or burned wiring. Inspect all terminal
connectors for loose connections and broken parts.
