Foma 840 Operating Instruction - Page 8

Browse online or download pdf Operating Instruction for Pressure Washer Foma 840. Foma 840 9 pages. Wall high pressure cold water cleaner

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MAINTENANCE , REPAIRS AND STORAGE
Before undertaking any work on the appliance always detachthe plug
from the power socket
Undertake only the maintenance operations described in the user instructions.
Contact the Technical Assistance service for all other interventions.
Use only original spares.
Should the power cable be damaged, it must be replaced by a cable or a set of special cables available from
the manufacturer or its assistance service.
The pins and joints of the connection cables of the electrical system must be protected against accidental water sprays.
STORAGE
Store the appliance in premises protected against freezing conditions.
If freeze protection is not guaranteed, suction a glycol based anti-freeze into the pump, as for cars
- Immerse the water pipe into the container of anti-freeze
- Immerse the gun without the sprayer nozzle into the same container
- Insert the appliance with open gun
- Activate the gun until an even jet is obtained.
Store the rest of the anti-freeze in a closed container.
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TROUBLESHOOTING

Before starting any work the machine, unplug the power cable, turn off the water supply and actuate the spray
gun until the pressure has been relieved completely.
Fault
Pressure fluctuates or drops
Motor hums when switched on,
but does not start
Motor will not start when
switched on
Motor stops
The detergent fails to come out
Jet is ineffective, ragged
unsteady
Cause
Lack of water
Water filter clogged
Mains voltage too low
Spray gun not actuted
Cross-section of extension lead
too small
Power supply not OK
Mains fuse tripped
Motor protection switch tripped
due to motor overheating
Clogged injector
Clean the nozzle of the foam
launch
Selector sleeve for type of jet
wrongly set
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Remedy
Turn on water supply
Clean the water filter on the
pump supply tube.
Check electrical connection
On switching on the machine,
engage the gun
Use correctly dimensioned
extension lead, see "Connect
machine to power supply"
Check plug, cable and switch
Resert mains fuse
Check that power supply
matches appliance voltage, wait
3 minutes, then switch machine
on again
Clean the detergent spray nozzle
element
Clean the high pressure nozzle
with the tool provided in the
cleaning kit.
Adjust selector sleeve