30
DISmANTLING AND DISPOSAL
Only qualified persons must be allowed to dismantle the pump and this operation must be performed in
compliance with the laws applicable in the country where the machine in which it is integrated has been installed.
TROUbLESHOOTING
WARNING
• Also follow the instructions contained in the manual of the machine in which the pump is integrated.
• Before doing any jobs, perform the operations described in the
“s
top
”
paragraph.
In the event of not being able to restore the correct operation of the pump with the aid of the information
contained on the following table, contact a
Skilled Technician
.
PRObLEmS
CAUSES
REmEDIES
The pump does not
prime.
Suction of air.
Check the integrity of the suction circuit.
Delivery line closed (e.g., spray gun closed).
Reset the delivery pressure (e.g., press the spray
gun lever).
Suction circuit with choke points.
Check the suction circuit (especially make sure
the suction filter is clean).
The pump fails to reach
max pressure.
Pressure adjustment knob (15) not tightened
enough.
Turn the knob clockwise until required pressure
is achieved.
Not enough water supply or priming too deep. Make sure the water supply flow rate or priming
depth is in compliance with the indications in the
“S
PECIFICATIONS
AND
TECHNICAL
DATA
”
paragraph.
Suction circuit with choke points.
Check the suction circuit (especially make sure
the suction filter is clean).
Unsuitable conditions of use (e.g., nozzle worn,
lance in low-pressure position, etc.)
Restore the correct conditions of use.
Irregular pressure and
flow rate (pulsating).
Air suction.
Check the integrity of the suction circuit.
Suction filter dirty.
Clean the filter.
Not enough water supply or priming too deep. Make sure the water supply flow rate or priming
depth is in compliance with the indications in the
“S
PECIFICATIONS
AND
TECHNICAL
DATA
”
paragraph.
The pump has not completed priming.
Prime the pump according to the indications
of the
“S
TANDARD
O
PERATION
(
HIGH
PRESSURE
)”
paragraph.
Accessory clogged (e.g. clogged nozzle).
Restore the correct use of the accessory.
Too much noise.
Suction circuit with choke points.
Check the suction circuit (especially make sure
the suction filter is clean).
Water supply temperature too high.
Keep to the temperatures indicated in the
“S
PECIFICATIONS
AND
TECHNICAL
DATA
”
paragraph.
Low detergent suction. Use of the accessory not in low-pressure mode
(e.g., lance not in low-pressure position).
Restore the correct use of the accessory.
Detergent metering device closed or set for
low suction.
Turn the detergent adjustment knob (16)
anticlockwise.
Use of detergent which is too viscous.
Keep to uses and dilutions shown on detergent
plate.
Содержание Comet AX Series
Страница 4: ...5 b a g c d e f b a b b h i n m l...
