Calypso First Stage Service Manual 13
Procedure A
Cleaning and Lubricating
(All Aqualung Regulators)
Cleaning brass and stainless steel parts.
1. Pre-clean by soaking in NETALU diluted to 25%.
2. Cleaning in an ultra-sonic bath filled with a mixture of washing-up liquid + hot water. If some resistant deposits remain
then fill the ultrasonic bath with white vinegar and repeat. DO NOT put plastic, rubber, silicone or anodised aluminium
parts in contact with vinegar.
3. Rinse in demineralised or fresh water to avoid calcium deposits. Soak for 10 minutes. Dry with filtered low pressure air and
then check that their condition is now suitable for re-use.
Cleaning plastic, rubber and anodised aluminium parts.
For anodised aluminium parts : soak in a « NETALU diluted to 25% ». Rinse in fresh water and dry with low-pressure filtered air.
For plastic parts. (casings, plugs..) : clean in an ultrasonic bath containing a mixture of washing-up liquid and hot water. Use only a
toothbrush with nylon bristles to remove any deposits. Rinse in fresh water and dry with low pressure filtered air
Cleaning parts for Nitrox/O2 use.
1. Metal parts : Pre-clean by soaking in NETALU diluted to 25%.
2. Ultrasonic cleaning in Promoclean TP108 diluted at 5% .
3. Rinse in demineralised water. Soak for 10 min.
4. Dry in the open air in a clean and dust-free atmosphere. Place the parts on a white cloth, allow to dry and check after
drying that the cloth shows no grease deposits and that the condition of the parts is appropriate for re-use with Nitrox/O2.
Cleaning hoses.
If there is significant corrosion then it is permissible to soak only the ends in an ultrasonic bath, avoiding any possibility of the
solution entering the hose. Rinse in fresh water and allow to dry with the connections hanging down. Dry the inside with filtered
compressed air before reconnecting the hose to the regulator.
Wiping.
To wipe parts, use a white filter paper, a pure cotton cloth or any other material that does not produce fluff
.
Inspection.
Visually check under a white light (day light or artificial light).
The parts are completely free of any traces of :
1. organic materials (oil, grease, paint, rust…)
2. cleaning agents
3. dust
4. humidity
Lubrication.
When handling O-rings wear unpowdered latex gloves. It is important not to allow contact between the internal components and the
skin or any other source of contamination when the regulator is being prepared for Nitrox use. All seals should be lubricated with
Christolube MCG111. Cover the seals with a light film of grease and remove any excess by rolling the seal between finger and
thumb. Do not use an excess of grease, this can have the effect of accumulating particles which could damage the O-rings.
ttention: D not place plastic and rubber parts in contact with acid solutions. This could alter their physical
roperties and cause degradation and premature breakdown.
(18 pages)
(28 pages)
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