(*) Checks must be more frequent if liquids are used with abrasive particles in suspension.
(**) The oil must be changed whenever the diaphragm is changed.
(***) If very aggressive chemical products are used, the diaphragms are best changed
whatever their condition.
Special Pump Maintenance
Warning
Caution
!
!
• Maintenance jobs must only be performed by a Skilled Technician.
• Used oil must be adequately disposed of and not discarded in the environment.
In relation to the pump, remember the following.
• The data shown on the chart are approximate. More frequent jobs may be necessary in
case of particularly heavy-duty use.
Maintenance Schedule
Job
Every 300 hours
• Check the pump suction/delivery valves and the
control unit regulation valve. (*)
• Oil change. (**)
At the end of the season or
once a year
• Check and if necessary change the diaphragms. (***)
• Check the tightness of the motor pump screws.
• Check the safety devices.
8
Refer to the pump and engine manufacturer’s manuals for more information of service
and maintenance.
Activity
Daily
Initial 50 hours
or 3 months
Every 100 hours
or 12 months
Inspect / top up engine oil levels
Inspect all hoses and connections for
tightness and damage
Inspect all auxiliaries & accessories
tightness and damage
Inspect/change nozzle jets
Clean water inlet filters
Change Oil
Refer to engine manufacturer’s manual for
oil change & service intervals
Inspect/change engine drive key
General Maintenance
8. Maintenance Schedule
Warning – Danger of personal injury.
Disconnect/remove the engine spark plug and ensure trapped pressure is
released from the delivery hose before carrying out Washer maintenance. All
service/maintenance tasks should be undertaken by a qualified technician.
!
