LUBE OIL COOLER ASSEMBLY INSPECT/TEST/REPAIR (CONT).
Carbon tetrachloride Is highly toxic. Do not breathe vapors. Use only in a
well ventilated area. To avoid death or injury, use protective clothing.
Place core into a container of carbon tetrachloride. Keep element in solution for several minutes. Then flush
solution around and through tubes in element.
Alkaline is highly toxic. Do not breathe vapors. To avoid death or injury,
use protective clothing. Use only in a well ventilated area.
Flush tubes with a solution of alkaline. After cleaning, flush several times with hot water.
Muriatic acid is toxic. It burns skin on contact. To avoid death or injury,
keep acid off skin, eyes, and clothes. Wear protective clothing.
Put core into a container of 1 part muriatic acid, 9 parts water, and 1 lb (0.5 kg) oxalic acid and 0.01 gallon of
pyridene added to each 5 gallons (18.9 liters) of muriatic acid.
Remove core when there are no foam or bubbles in solution. Foam and bubbles normally stop in 30 to 60 seconds.
Put element into a container that has a 5 percent solution of sodium carbonate. Remove element when there are no
bubbles coming from solution.
Flush core with clean warm water.
Live steam used for cleaning shall not exceed 100 psi (690 kPa). During
steam cleaning operations, adequate ventilation, natural or forced, should
be provided. Do not direct live steam against skin.
Dry cleaning solvent is potentially dangerous. Avoid repeated and
prolonged breathing of vapors and skin contact with the liquid. Do not use
near open flame, arcing equipment, or other ignition source. Always wear
eye protection and protective clothing.
Clean the housing using steam and dry cleaning solvent.