ACC9 cleaning procedure

ACC9 Air cooler Cleaner is very effective product to clean ship equipment and always in high demand during Ship Maintenance. 

In general practice ACC 9 uses by following method...

Dip Immersion bath
This is one of most effective method to use ACC9 to clean air cooler and many other engine component. Dependent on design, the cooler is dip inside the wide mouth tank / bath mixture with AIR COOLER CLEANER immersed in a tank full of product. The product should be heated to approx. 50°C and agitation provided with an air line. After 2 hours, drain off and flush well with water, followed by drying with an air line.

Circulation method
Some designs of cooler can be circulated "in situ". In this case a pump tank and pipe system is fitted permanently or connections are provided for connecting a temporary circuit. The system should be filled with AIR COOLER CLEANER circulation carried out for 2 - 4 hours at a temperature of up to 50°C.
After cleaning the cooler should be thoroughly flushed with fresh water and dried with an air line.
Note: Both cleaning methods benefit from heat of up to 50°C and cleaning times can be reduced or extended dependent on temperature and degree of fouling.

Direct injection
ACC9 - AIR COOLER CLEANER should be dosed at the ratio of 2 parts water added to 1 part product (in that order) and well mixed for immediate use. Note : dont wait for more time after mixing with water emulsion as up to 5 minutes its composition will change and effectiveness reduced. It is most important that 5 - 10 minutes after dosing the solution, injection with fresh water only is repeated using double the total volume of the first solution to flush off the chemical residual which contains the "solved" contamination. Failure to do this will result in a "sticky cooler" which will foul very quickly.

Turbo blowers
The water washing of the air side of turbo blowers has been accepted for many years. Most manufacturers provide nozzles and dosing pots to inject water into the volute casing after the inlet filters. These systems can be utilised with a solution of AIR COOLER CLEANER at the same ratio of 2 parts water mixed into 1 part product and dosed via the water wash system.
Note: When cleaning turbo blowers "in service" follow the equipment manufacturers instructions regarding engine load and/or blower revolutions during the procedure.
As with normal water washing, do not attempt to clean a badly fouled blower as resultant removal of deposits could cause imbalance of the rotor.

Also read this link - Degreaser role in maintenance area ?

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