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6.3 Oil Change
Caution - Danger!
Spent oil must not be dumped because it is a
pollutant. It must be disposed of in accordance with
legal requirements.
Change pump and reduction gearbox oil (where fitted)
after first 50 hours of operation, and every 500 hours
thereafter.
Remove the casing (where fitted) to change the oil.
Replace the casing (where fitted) when done.
6.3.1 Changing the pump oil
Unscrew the drain plug and allow all the spent oil
to flow out.
Screw the plug back into place.
Pour in oil through the filler hole.
Check that the oil level is correct.
For oil characteristics, refer to the “Oil characteris
-
tics” table.
6.3.2 Changing the reduction gearbox oil (where fitted)
Unscrew the drain plug and allow all the spent
oil to flow out.
Screw the plug back into place.
Pour in oil through the filler hole.
Check that the oil level is correct.
For oil characteristics, refer to the “Oil character
-
istics” table.
Table 1 - Oil characteristics
Component Oil type Quantity (kg)
Pump 850 SAE 30 W 0.9
Pump 840 SAE 30 W 0.9
Pump 830 SAE 30 W 0.3
Pump 820 SAE 30 W 0.3
Pump 810 SAE 75 W90 0.135
Reduction
gearbox
AGIP BLASIA W90 0.21
6.4 Storage
Treat the appliance with non-corrosive, non-toxic anti-
freeze before storing it away for winter.
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TROUBLESHOOTING
Problem Possible causes Remedy
Pump does not reach work-
ing pressure
Nozzle worn Replace nozzle
Water filter fouled Clean filter (fig.5)
Water supply pressure low Turn on water supply tap fully
Air being sucked into system Check tightness of hose fittings
Air in pump
Switch off the cleaner and keep depressing and
releasing the gun trigger until the water comes out
in a steady flow. Switch the cleaner back on again.
Adjustable nozzle not positioned correctly Turn the adjustable nozzle “E” (+) (fig.3)
Pressure drops during use
Water intake from external tank Connect cleaner to the mains water supply
Intake water too hot Reduce temperature
Nozzle clogged Clean nozzle (fig.5)
Water leakage Seals worn
Have the seals replaced at your nearest Authorised
Service Centre
Cleaner noisy Water too hot Reduce temperature (see technical data
Oil leakage Seals worn Contact your nearest Authorised Service Centre
Engine malfunction Refer to the engine manufacturer’s manual.
Water escapes from ther-
mostat valve
Water temperature inside nozzle has exceeded
max. rated value stated on nameplate
With appliance in operation, do not stop the water
jet for more than 5 minutes at a time
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