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Copyright ©2001 Liberty Group
Service & Repair Manual
NOTE: All tools and fixtures, including the ultrasonic cleaner well, must
be kept completely clean of any contaminants. For this reason, a sepa-
rate set of clean tools should be used for the reassembly of enriched air
equipment, different from those used for normal air equipment.
ACIDIC PRE-CLEANING – Before performing aqueous cleaning, parts
must first be cleaned with the acidic cleaning procedure outlined on page
15 to ensure the complete removal of any corrosion or scale. Final drying,
however, is not necessary.
NOTE: Use only LFW™ cleaning solution, which contains an additional
degreasing agent. White vinegar is not an acceptable cleaning agent for
EAN/ Nitrox pre-cleaning.
ULTRASONIC AQUEOUS BATH
CAUTION: It is important to carefully read and understand the Material
Safety Data Sheet (MSDS) for any cleaning solution before using it, in
order to understand the possible hazards associated with its use, and the
necessary precautions that must be followed to avoid them.
General Guidelines
▼ It is important to select an aqueous cleaning solution that is non-carcino-
genic, non-toxic, and biodegradable, so that it can be safely disposed
of by emptying it into a sewer system that is connected to a waste
treatment facility. It must also be non-damaging to the materials of soft
wearing parts, including seats, O-rings, washers, and gaskets. Last, it
must be easily rinsed away so that it leaves no residue. Refer to Table
1 on Page 4, which lists the aqueous cleaning solution that Genesis
Scuba has currently approved.
▼ The aqueous cleaning solution must be diluted only with distilled water,
according to the ratio specified by the manufacturer.
▼ It is important to pre-heat the aqueous cleaning solution to
approximately 130º F.
▼ The aqueous cleaning solution can be reused at least once, but will
eventually require replacement as more contaminants and particulate
matter are held in suspension. Frequently examine the appearance of
the previously used solution in a clear beaker, and compare it along-
side another beaker containing fresh solution in good lighting (diluted
with the same ratio of demineralized water). When the appearance
begins to vary between fresh and used, or when contaminants can be
visually detected, the solution should be disposed of and replaced with
new. Whenever in doubt, dispose of the solution and replace with
fresh.