Agrio ALKA 2500, Instructions For Use Manual

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16.4.3 Changing the oil
Change the oil for a new pump after 100 hours and then at every 400 to 450 hours, at least once
per year.
Check the oil level after several hours of operation and add oil as needed.
Fig. 16/6 Description of the outer parts of the pump
1 Oil expansion glass cap.
2 Oil expansion glass.
3 Air vessel
4 Suction tip
5 Pressure tip
6 Pressure relief valve
7 Spray drain plug
8 Oil drain plug
9 Crankshaft
Procedure for changing the oil.
(Fig. 16/6)
- Remove the cap (1)
- Unscrew the oil drain screw (8).
- Drain the oil.
- Turn the shaft (9) by hand until the old oil has drained completely. There will still be remnants
of the old oil in the pump. The manufacturer recommends that the pump be removed from the
chassis and that the glass be turned upside down.