Comet KT 1800 classic - Supplementary Maintenance; Problems, Causes, and Remedies

16
MAINTENANCE INTERVAL OPERATION
Weekly • Cleaning of inlet water lter
Unscrew the hose connector (12) FIG. 7-a and remove the lter(20)
FIG. 7-b .
Cleaning the lter under running water or compressed air is generally
sucient. In more dicult cases, use a scale-removing product or
replace it by contacting an authorised assistance centre to purchase
it.
Ret the lter and tighten the hose connector.
Monthly • Cleaning the nozzle.
It is usually sucient to clean the hole of the nozzle with the pin
supplied (17). If this operation fails to satisfactorily clean the nozzle,
replace the latter by ordering a spare part from an authorised service
centre.
The nozzle is replaced using the key (9) (supplied).
SUPPLEMENTARY MAINTENANCE
Supplementary maintenance must be carried out by a QUALIFIED TECHNICIAN , following the table below
(guideline data).
MAINTENANCE INTERVAL OPERATION
Every 50 hours • Check the pump hydraulic circuit (water).
• Check pump xing.
Every 100 hours • Pump oil replacement.
• Check pump delivery/intake valve.
• Check tightness of pump screws.
• Check pump control valve.
• Check the safety devices.
PROBLEMS, CAUSES AND REMEDIES
PROBLEMS CAUSES REMEDIES
The high-pressure water
cleaner does not start when the
master switch (2) is place into
position“1”.
Please refer also to the NOTE
in the paragraph “ STANDARD
OPERATION AT HIGH
PRESSURE
The safety device of the system
to which the high-pressure water
cleaner is connected has cut-in
(fuse, dierential switch, etc.).
Reset the safety device.
IF IT CUTSIN AGAIN, DO NOT
USE THE HIGHPRESSURE WATER
CLEANER AND CONTACT A
QUALIFIED TECHNICIAN.
Plug not connected correctly. Disconnect the plug and
reconnect it correctly.
The high-pressure water cleaner
vibrates a lot and is noisy.
Dirty water inlet lter (20) sporco. Follow that indicated in paragraph
“ROUTINE MAINTENANCE” .
Insucient water supply Make sure that the tap is
fully open and that the flow
rate of the mains water is in
accordance with that indicated
in paragraph
“TECHNICAL
CHARACTERISTICS AND
SPECIFICATIONS”
.
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