Unigreen Trolleys and Barrows - Manual (Page 22)

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6.2 ROUTINE MAINTENANCE
Follow the instructions in the “Switching off” section and in the table below.
For appliances fitted with a combustion engine, remember to follow the instructions for routine
maintenance in the engine’s operating and maintenance instructions, especially as regards
controlling the engine oil, the air filter and the spark plug.
WARNING
• During use, the appliance should not be too noisy and large amounts of liquid or oil should
not drip from underneath it.
In this event, a Skilled Technician should test the appliance.
6.2.1 Diaphragm rupture
The rupture of one or more diaphragms can result in the mechanical parts of the pump being
damaged by the liquids being pumped.
The following are symptoms of possible diaphragm rupture:
- oil takes on a whitish appearance (symptom of water in the oil)
- excessive consumption of oil
- sudden lack of oil in the volumetric compensator (32).
WARNING
• To avoid the negative consequences of this malfunction, stop operation of the appliance
immediately and contact a Skilled Technician without delay (within 24 hours) who will
take the necessary action.
If it is not possible to contact a Skilled Technician within the above time in case of
ACTION
Each time used
Every 50 hours
INTERVAL FOR MAINTENANCE
Oil or lubricate rotating or sliding parts that are
easily accessible for the operator.
Check the inflation pressure of the pressure
accumulator (if any) and tyres.
Check the intake circuit.
Check the motor-driven pump is securely
fastened to the appliance’s structure.
Should the motor-driven pump appear not to
secure, do not use the appliance and
contact a Skilled Technician.
Check level and status of pump oil
Check the intake filter, filling filter, and
nozzleand clean, if necessary. Do not use hard
or sharpobjects to clean the nozzle.
Check the supply cable, high-pressure
hoseand spray lance, that the grips and
couplings are secure and that any hooks (34)
on the controlunit are inserted correctly.
Should any of these parts appear to
bedamaged, do not use the appliance and
contact a Skilled Technician.