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Cleaning the intake air filter element
1 Remove the intake filter element from the housing.
2 Clean the intake filter element in one of the following ways:
Hand washing:
Soak and agitate element in a warm water and mild detergent solution. Allow adequate time for the element to
air dry (24 hours minimum). Do not install a damp element. This will cause higher initial pressure loss and rapid
dirt loading.
Compressed air cleaning:
Using approximately 7 bar(e) ( 100 psi(g)), direct air flow at inside of element towards pleats. Blow off the outside
of the element directing the air flow down to avoid embedding dirt in the media. Blow off the inside again to
remove any dirt that might be on the clean side of the element.
Vacuum cleaning:
Point the vacuum cleaner to the dirty side (outside of element) only, using a vacuum of approximately
100 mbar(a) (75 torr). A crevice tool is recommended.
Hand cleaning:
Hold element down with one hand and move other hand across the fins in a strumming motion. This action will
dislodge most of the dirt.
3 The element is ready to be reused.
6.2 Oil top-up
1 Remove the filler plug. Fill the gearbox with oil until the level reaches the top of the oil sight glass.
Take care that no dirt drops into the system. Refit and tighten the filler plug.
2 Run the pump loaded for a few minutes. Stop the pump.
3 Close the isolation valve and switch off the voltage.
Wait 3 minutes for the pump to depressurize.
Unscrew the oil filler plug just one turn to permit any remaining pressure in the system to escape.
4 Fill the gearbox with oil until the level reaches middle of the oil sight glass. (See section “During operation”).
5 Refit and tighten filler plug.
6 When the oil level is too low, repeat the steps 1 to 5.
6.3 Cleaning motor fan and vent holes
Motor fan, main cooling fan and vent holes should be kept clean. This can be done using compressed air and a dry
cloth. Do not use fluids or substances other than those indicated.
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