TM 10-4930-236-13&P
5-7. TANK MAINTENANCE
This task covers:
a.
Repair
INITIAL SETUP :
Tools Required
General Mechanic Tool KH (Appendix B, Section lil, Item 4)
Shop Set, Welding "Appendix B, Section lil, Item 6)
Compressed Air Supply and air hose to reach depth of tank.
Tester, Combustion Vapor (Appendix B, Sectionlil, Item 5)
Materials/Parts Required
Dry Cleaning Solvent (Appendix E, Section II, Item 1)
Detergent, General Purpose (Appendix E, Section II, Item 2)
Trisodium-Phosphate (TSP)
Adequate water supply with large diameter hose.
Rags, Wiping (Appendix E, Section II, Item 13)
Equipment Condition
Tank Removed (Paragraph 4-23)
Manhole Removed (Paragraph 4-24)
Personnel Required
Two (2)
General Safetv Instructions
WARNING
Do not smoke within 50 feet (15.34 meters) of the Tank and Pump Unit.
Trisodium-Phosphate is toxic to eyes, skin and respiratory tract.
Dry cleaning solvent is potentially dangerous to personnel and property.
Tanks used to store flammable liquids must be purged before welding.
Compressed air can create airborne particles that may enter the eye.
REPAIR
WARNING
Dry cleaning solvent, P-D-680, used to clean parts is potentially
dangerous to personnel and property. Avoid repeated and
prolonged skin contact. Do not use near open flame or
excessive heat. Flash point of solvent is 100 degrees F -138
degrees F (38 degrees C - 59 degrees C).
Trisodium-Phosphate is toxic to eyes, skin and respiratory tract.
Skin and eye protection required. Use only in a well ventilated
area.
Applying heat or flame to a fuel tank containing residue may
result in a violent explosion, causing injury or death to
personnel. Tanks used to store flammable liquids must be
purged in accordance with the safety
precautions set forth in this paragraph before welding.
5-16
