Special Maintenance - Comet FDX HOT CUBE Mode D'emploi

Special maintenance must only be done by a
Also remember to carry out the special maintenance jobs listed in the engine operating and maintenance
manual.
MAINTENANCE
SCHEDULE
After the first 50 hours of use
Every 200 hours
Every 500 hours
CAUTION
• The data given in the table are approximate. It might be necessary to carry out maintenance more
frequently in the case of particularly heavy work.
PROBLEMS
The engine does not start or
there is a malfunction with
it or it stops while working.
The high pressure cleaner is
vibrating a lot and is noisy.
The high pressure cleaner
fails to reach maximum
pressure.

SPECIAL MAINTENANCE

SPECIALIZED TECHNICIAN
• Change pump oil.
• Check the pump's hydraulic (water) circuit.
• Check pump and engine clamping.
• Adjust the electrodes
• Clean the fuel nozzle.
• Check/replace the fuel filter.
• Check/replace the water filter
• Change pump oil and gearbox oil.
• Check the pump suction/delivery valves.
• Check tightness of pump screws.
• Check the pump regulation valve.
• Replace the electrodes
• Replace the fuel nozzle.
• Clean the boiler.
• Check the safety devices.
TROUBLESHOOTING
CAUSES
Refer to the engine operating and
maintenance manual.
The water inlet filter (18) or (11)
is dirty.
Air suction.
Not enough water being supplied. Make sure the cock is fully open and that
The regulation valve is set for a
pressure lower than the maximum
one.
Device (37 or 27) is in the low
pressure position (Fig. 6 – a)
The nozzle is worn.
Not enough water being supplied. Make sure the cock is fully open and
Backflow hydraulic device fault.
, complying with the following table.
JOB
REMEDIES
Refer to the engine operating and
maintenance manual after having
made sure there is fuel in the tank.
Follow the instructions given in the
"ROUTINE MAINTENANCE"
Check soundness of the suction circuit.
the mains flow rate conforms to what is
specified in the
"SPECIFICATIONS AND
paragraph.
TECHNICAL DATA"
Turn the pressure regulating knob (8)
clockwise.
Proceed as explained in Fig. 6 - b.
Replace the nozzle as explained in the
"ROUTINE MAINTENANCE"
that the mains flow rate conforms to
what is specified in the
"SPECIFICATIONS
AND TECHNICAL DATA"
Refer to the relative manual.
(continues on the next page)
EN
paragraph.
paragraph.
paragraph.
29