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20
MAINTENANCE
SCHEDULE
JOB
Every 500 hours
• 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.
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.
TROUBLESHOOTING
PROBLEMS
CAUSES
REMEDIES
The engine does not start
or there is a malfunction
with it or it stops while
working.
Refer to the engine operating and
maintenance manual.
Refer to the engine operating and
maintenance manual after having
made sure there is fuel in the tank.
The high pressure cleaner is
vibrating a lot and is noisy.
The water inlet filter (23) is dirty.
Follow the instructions given in the
“r
outIne
M
aIntenance
”
paragraph.
Air suction.
Check soundness of the suction circuit.
Not enough water is being
supplied or priming depth is
excessive.
Make sure the tap is fully open and
that the mains flow rate or priming
depth conform to what is specified in
the
“S
pecIFIcatIonS
and
technIcal
data
”
paragraph.
The high pressure cleaner
fails to reach maximum
pressure.
The regulation valve is set for a
pressure lower than the maximum
one.
Turn the pressure regulating knob (17)
clockwise.
The nozzle is worn.
Replace the nozzle as explained in the
“r
outIne
M
aIntenance
”
paragraph.
Not enough water is being
supplied or priming depth is
excessive.
Make sure the tap is fully open and
that the mains flow rate or priming
depth conform to what is specified in
the
“S
pecIFIcatIonS
and
technIcal
data
”
paragraph.
No water coming through
the nozzle.
No water.
Check that the mains water tap is fully
open or that the suction hose is able
to prime.
Suction depth is excessive
Make sure priming depth conforms to
what is specified in the
“S
pecIFIcatIonS
and
technIcal
data
”
paragraph.
Water nozzle clogged.
Clean and/or replace the nozzle
as explained in the
“r
o u t I n e
M
aIntenance
”
paragraph.
Summary of Contents for THERMIC 22 H
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