Master Pumps MPG7HP24, Оригинальное руководство пользователя

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6.4. Air filter
For reason of the fire or explosion hazard involved, please do never use
petrol or solvents with a low flashpoint to clean the air filter.
A dirty air filter means that the airflow into the carburetor is inhibited. To avoid operational
malfunction of the carburettor, the air filter has to be checked regularly and cleaned or replaced, if
necessary.
Basically, checking the air filter for contamination is recommended prior to each use. Cleaning
should be performed at the latest every three months or after 50 hours of operation, respectively. If
the device is used in a very dirty or dusty environment, it is advisable to shorten the cleaning
intervals, for instance down to 10 hours. A new air filter should be installed every six months or
after 300 hours of operation, respectively.
maintenance work,
please open the air filter box and take the filter out. If necessary, wash out the air filter in a non
-
combustible solvent such as a washing
-
up liquid (dishwashing detergent). For reason of the fire or
explosion hazard involved, please do never use petrol or solvents with a low flashpoint to clean the
air filter. After cleaning, please allow the air filter to dry.
6.5. Replacing the mechanical shaft seal
The mechanical shaft seal is used to seal the pump body from the motor shaft. It counts among
the parts which are subject to natural wear and tear.
If the mechanical shaft seal is defective, water will escape between the engine and the pump body.
Qualified persons should only carry out replacement of the mechanical shaft seal.
6.6. Removing foreign matters from the pump
Coarsely sized particles contained in the liquid being discharged may entail the clogging of the
pump body and pump wheel. In this case, it is possible to detach the pump housing in order to free
the pump body and the pump wheel from the solid matter.