Routine Maintenance; Special Maintenance; Troubleshooting - Comet K 250 Classic Bedienungs- Und Wartungsanleitung

• Rewind the power cable (28) carefully onto its support (10).
• Store the high-pressure cleaner in a dry and clean place, making sure not to damage the power cable
and the high-pressure hose.
Perform the operations described in the
MAINTENANCE SCHEDULE
After every use
Weekly
Monthly
Special maintenance jobs must only be performed by a Skilled Technician , following the table below
(indicative data).
MAINTENANCE SCHEDULE
Every 200 hours
Every 500 hours
PROBLEMS
When the switch (1) is
moved to position "1", the
high-pressure cleaner does
not start.

ROUTINE MAINTENANCE

"STOP"
• Check the power cable, high-pressure hose, connections, spray gun and
lance hose.
If any of these is damaged, do not use the high-pressure cleaner and
contact a Skilled Technician.
• Clean the water inlet filter (30).
Unscrew the quick-fit connection (32) and take out the filter (30).
c
opEration in fig
done is pass the filter under a jet of running water or blow on it with
compressed air. In the most difficult cases, use an anti-scale product or
replace the filter. To buy spares contact an authorised after-sales centre.
Fit the filter back on and screw the quick-fit connection back on.
• Clean the nozzle.
Generally speaking, to clean the nozzle, it is enough to pass the pin (37)
provided through the nozzle hole (36). If this is not successful, change
the nozzle. Buy this from an authorised after-sales centre. The nozzle can
be changed using a 14 mm wrench (not supplied).
• Clean the detergent suction filter (24).
Generally speaking, to clean the filter, all you need do is pass it under a jet
of running water or blow it with compressed air. In the most difficult cases,
use an anti-scale product or replace it. Only buy spares from authorised
after-sales centres.
Note: the detergent suction filter shown in figure 3 (24) is identical to
the one inside the tank (40) and connected to the doser cap (39).
• Check the pump oil level.
Put the high power water jet cleaner horizontally (
and check the level through the oil sight glass (35)
required, contact a Skilled Technician.

SPECIAL MAINTENANCE

• Check the pump (water) hydraulic circuit. • Check the pump fastening.
• Pump oil change.
• Check the pump suction/delivery valves.
• Check the tightness of the pump screws.

TROUBLESHOOTING

CAUSES
Tripping of system cutout device to
which the high-pressure cleaner is
connected (fuse, RCCB, etc.).
The plug is not properly fitted.
paragraph, following the chart shown below.
JOB
. 4 Generally speaking, to clean this all that need be
JOB
Reset the cutout device.
In case this trips again, do not use the
high-pressure cleaner and contact a skilled
technician.
Disconnect the plug and fit it back correctly.
. 2,
fig rEfErEncE
. 4 . If topping up is
fig
• Check the pump regulation
valve.
• Check the safety devices.
REMEDIES
(continued on next page)
EN
"b")
23