Troubleshooting - Lavor THERMIC 22 H Instruction Manual - Use And Maintenance

MAINTENANCE
SCHEDULE
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.
No water coming through
the nozzle.
20
• Change pump oil and gearbox oil.
• Check the pump suction/delivery valves.
• Check tightness of pump screws.
• Check the pump regulation valve.
• Check the safety devices.

TROUBLESHOOTING

CAUSES
Refer to the engine operating and
maintenance manual.
The water inlet filter (23) is dirty.
Air suction.
Not enough water is being
supplied or priming depth is
excessive.
The regulation valve is set for a
pressure lower than the maximum
one.
The nozzle is worn.
Not enough water is being
supplied or priming depth is
excessive.
No water.
Suction depth is excessive
Water nozzle clogged.
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
"r M
outIne aIntenance
Check soundness of the suction circuit.
Make sure the tap is fully open and
that the mains flow rate or priming
depth conform to what is specified in
"S
the
pecIFIcatIonS and technIcal data
paragraph.
Turn the pressure regulating knob (17)
clockwise.
Replace the nozzle as explained in the
"r M
outIne aIntenance
Make sure the tap is fully open and
that the mains flow rate or priming
depth conform to what is specified in
"S
the
pecIFIcatIonS and technIcal data
paragraph.
Check that the mains water tap is fully
open or that the suction hose is able
to prime.
Make sure priming depth conforms to
what is specified in the
" paragraph.
and technIcal data
Clean and/or replace the nozzle
as explained in the
M " paragraph.
aIntenance
" paragraph.
"
" paragraph.
"
"S
pecIFIcatIonS
"r
o u t I n e