Extraordinary Maintenance; Dismantling And Disposal; Troubleshooting - Comet 8 Bedienungsanleitung

the mixture of oil and pumped liquid out of the pump case and fill it with oil or diesel to prevent rust.
• Frequent causes of diaphragm rupture include:
- blockages in the suction circuit (incorrect diameter hoses, very dirty filter, pumping very dense liquids,
etc.);
- using very strong chemicals.
WarninG
• Extraordinary maintenance may only be carried out by a qualiFied technician.
• Dispose of old oil properly.
Refer to the table of extraordinary maintenance below.
MainTenance Schedule
Every 300 hours.
At the end of each season or once a year. • Check the diaphragms and replace if necessary
Check more frequently when using liquids containing suspended abrasive particles.
(1)
Replace the diaphragms regardless of their condition if very harsh chemicals are used
(2)
Change the oil when replacing the diaphragms; first oil change after 300 hours
(3)
Check more frequently if the pump is subject to significant vibration
(4)
cauTion
• The information provided in the table is only a guide. Maintenance may be needed more frequently in
particularly harsh operating conditions.
The pump may only be dismantled by qualified personnel who must comply with the current regulations
in the country where the pump is installed.
WarninG
• Always follow the instructions for
a
sKilled technician
following table.
probleM
The pump does not prime
The pump do es not re ach
maximum pressure
Irregular pressure and flow
Excessive vibration on the
delivery circuit
Excessive noise linked with low oil Blocked suction circuit.
Excessive consumption of oil and/
26
or whitish oil (water in the oil)

eXTRAORdINARY mAINTeNANce

• Check the delivery/suction valves
• Change the oil
• Check the pump screws are tight

dISmANTLING ANd dISPOSAL

TROUbLeShOOTING

"stOpping WOrK"
if you are unable to resume correct pump operation using the information in the
cauSe
Air intake
Control valve set for pressure.
Low pump rotation speed
Incompatible application (such as a
nozzle that is worn or is too big)
Air intake
Pressure accumulator is not inflated
correctly.
Rupture of one or more diaphragms. Read the instructions in
acTion
.
(1)
.
(3)
.
(4)
before attempting any of the solutions below. Contact
Check the suction circuit is intact.
Reset pressure by setting the pump to
by-pass.
Restore the correct rotation speed
Replace the application
Check the suction circuit is intact.
Inflate correctly
Check the suction circuit
rupTure".
.
(2)
SoluTion
"diaphraGM