Maintenance Schedule; Troubleshooting - Comet KF Steel 12/100 Bedienungsanleitung

Supplementary maintenance should only be carried out by a
table below (guideline only).
MAINTENANCE
SCHEDULE
Every 200 hours
Every 500 hours
PROBLEM
The cleaner does not
start when the master
switch (1) is turned to
or , and the warnin
light (26) stays off.
The cleaner vibrates a lot
and is noisy.
The cleaner fails to reach
maximum pressure
28
SUPPLEMENTARY MAINTENANCE
• Check the pump's hydraulic circuit
(water).
• Check the pump is firmly secured
• Adjust the electrodes
• Change the pump oil
• Replace the electrodes
• Replace the fuel nozzle.
• Check the pump delivery/suction valves.
• Check the tightness of pump screws.

TROUBLESHOOTING

CAUSE
A safety device has been tripped
on the system where the cleaner
is connected (a fuse, circuit
breaker, etc.).
The plug has not been inserted
properly in the power outlet
The water inlet filter is dirty
The cleaner is taking in air.
Not enough water supply or
priming too deep
The detergent tap is open.
The adjustment valve is set for a
pressure below the maximum.
The nozzle is worn.
Not enough water supply or
priming too deep
Backflow hydraulic device fault. Refer to the relative manual.
QUALIFIED TECHNICIAN
ACTION
• Clean the fuel nozzle.
• Check/replace the fuel filter.
• Check/replace the water filter
• Check the pump's adjustment valve
• Clean the boiler.
• Check the safety devices
SOLUTION
Reset the safety device.
SHOULD IT TRIP AGAIN, DO NOT USE THE
CLE AN ER A ND CO NTAC T A Q UA LI F I ED
TECHNICIAN.
Disconnect the plug and reconnect it
correctly.
Follow the instructions in
MAINTENANCE" .
Check there are no leaks in the suction circuit.
Check that the tap is fully open and the
mains water flow rate and priming depth
comply with the data given in the paragraph
" T E C H N I C A L C H A R A C T E R I S T I C S A N D
SPECIFICATIONS" .
Close the tap by turning the knob clockwise
(20).
Turn the knob clockwise (8).
Replace the nozzle as instructed in
MAINTENANCE" .
Check the tap is fully open and that the
mains water pressure or the priming
depth comply with the data in
CHARACTERISTICS AND SPECIFICATIONS"
, following the
"ROUTINE
"ROUTINE
"TECHNICAL
.
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