Dawson EMV 550 Owner's Manual page 26

EVERY 50 WORKING HOURS
Change the oil in the vibrator gearbox. Remove the Drain Plug from the bottom of the gearbox and the
Breather/Filler Plug from the top. Allow the oil to drain out completely into a suitable container – this is best
done at the end of a shift when the oil is relatively warm and thin. Replace the Drain plug and fill with new
clean oil through the Breather/Filler hole until the oil level in the gearbox is approximately half way up the
sight glass – this is approximately 2.5 litres (0.66 US gallons).
Re-fit the Breather/Filler Plug using a new seal and tighten.
The old oil must be taken to a certified waste disposal centre or handed over to a certified waste disposal
contractor.
Generally any good quality mineral based gear oil in the class API GL-5 with viscosity class SAE 75W/90 will
be suitable. Alternatively, in hotter climates fully synthetic oil of the same classification may be used. For
example:
Manufacturer Mineral Oil Reference Synthetic Oil Reference
BP ENEGEAR HT 75W/90
MOBIL MOBILUBE 1 SHC
CASTROL SAF-EXB
ELF TRANSELF B 75W/90 TRANSELF TR2 75W/80
TEXACO GEARTEX EPC80W/90 GEARTEX 5S 75W/90
Note: Maximum ambient operating temperature for the unit +40ºC
Minimum ambient operating temperature for the unit –20ºC
EVERY 100 HOURS
It is recommended that the unit be inspected and serviced by the manufacturer. Apart from undertaking to
do the relevant preventative maintenance work and checks as described above Dawson will inspect the
structural integrity of the equipment and ensure there are no safety related matters that may go unchecked.
Bearings and gears will also be inspected to check for signs of unusual wear or potential problems. In some
countries it is a requirement by law that the unit be inspected by qualified personnel.
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excavator mounted vibrator