Lavor PRO THERMIC 2W 13 L 0.066.0037 - Инструкция по эксплуатации - Страница 22

22

SPECIAL MAINTENANCE

Special maintenance must only be done by a 

Specialized Technician

, complying with the following table.

Also remember to carry out the special maintenance jobs listed in the engine operating and maintenance 

manual.

MAINTENANCE 

SCHEDULE

JOB

After the first 50 hours of 

operation

•  Change pump oil.

Every 200 hours

•  Check the pump’s hydraulic circuit.

•  Check pump and engine clamping.

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.

R e fe r   t o   t h e   e n g i n e   o p e r a t i n g   a n d 

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 (39) is dirty.

Follow the instruc tions 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 holder head  (24) is in 

the low pressure position (Fig. 3 – 

Position a) .

Proceed as explained in Fig. 3 - Position b.

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.

(continues on the next page)