Special Maintenance - Comet PTO RW Manual De Uso Y Mantenimiento

• To safeguard the safety of the high pressure cleaner, only use the original spare parts supplied
by the Manufacturer or those endorsed by him.
• The rubber pipes, the coupling and the high-pressure lances are important for safety: only use
those endorsed by the Manufacturer.
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Follow the instructions in the «Switching off» section and abide by the recommendations in the
table below.
INTERVAL FOR MAINTENANCE
Each time used
Every week (if the cleaner is fed
from a take-up tank)
Monthly
cautION
• During use, the high pressure cleaner should not be too noisy and large amounts of water or
oil should not drip from underneath it.
In this event, a Skilled technician should test the appliance.
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• Only Skilled Technicians are authorised to carry out special maintenance.
Follow the instructions in the table below for special maintenance.
INTERVAL FOR MAINTENANCE
Every 200 hours
Every 500 hours
cautION
• The data in the table are indications.
7 d
IsmantlInG
Only trained personnel are allowed to dismantle the high pressure cleaner in accordance with the
ACTION
• Check the high-pressure hose, couplings, cleaner gun, lance hose, safety
devices provided for the cardan shaft, high pressure cleaner and tractor.
Should any of these parts appear to be damaged, do not use the high
pressure cleaner and contact a Skilled Technician.
• Check the pump oil and step up gear unit oil, if appropriate, using the oil
level indicators (26).
• Cleaning the water inlet filter (5).
Unscrew the cap (7) using a 27 mm spanner and remove the cartridge (6),
(see Fig. 2). For cleaning, running water, or compressed air, is generally all
that's needed to clean the cartridge. For more difficult cases, use a lime scale
remover or replace it. Contact an authorised service centre to buy a spare
part.
Replace the cartridge and close the cap firmly.
Also remember to clean the additional filter, if fitted.
• Cleaning the water inlet filter (5) (refer to the instructions above).
• Clean the nozzle.
For cleaning, it is generally enough to pass the supplied pin (29) inside the
nozzle hole. If you get negligible results, replace the nozzle. Contact an autho-
rised service centre to buy a spare part. The nozzle can be replaced using a
14 mm spanner (not supplied).
ACTION
Check the pump hydraulic circuit.
Check the pump and chassis are secure.
Replace the pump oil and step up gear unit oil, if appropriate.
Check the pump suction/delivery valves.
Check the pump screws are tightened.
Check the pump adjustment valve.
Check the safety devices.
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nd Isposal
EN - 33