Vito Agro VIMB15A Manual De Instrucciones página 39

The combustion engine overheats:
• The ventilation slots are dirty;
• Low engine oil level;
The petrol water pump is smoking:
• Oil level too high;
• The air filter is dirty;
Strong vibrations while operating:
• Loose engine housing;
No flow rate at the discharge port:
• The water pump is not primed;
• Suction hose is ruptured, cut or damaged;
• The strainer is not submerged;
• Air intake to the suction port;
• The strainer is clogged;
• The suction height (height between the strainer and
the pump) is greater than the maximum height
defined in the water pump technical data table;
Low flow rate at discharge port:
• Suction hose is ruptured, cut or damaged;
• Air intake to the suction port;
• The strainer is clogged;
• Discharge hose has a very small diameter.
• The suction height (height between the strainer and
the pump) is very close to the maximum height
defined in the petrol water pump's operating
characteristics;
• The throttle lever is positioned at low-speed level;
• Clean the ventilation slots;
• Top up;
• Adjust oil level;
• Clean/replace the air filter;
• Tighten the engine fixing bolts;
• Prime the water pump as described in the topic
"Priming the water pump";
• Replace the suction hose;
• Immerse the filter more than 30 cm;
• Fit the O-ring and tighten securely, replace if damaged;
• Clean the strainer;
• Position the water pump at a height below the
maximum height defined in technical data table;
• Clean the strainer;
• Fit the rubber O-ring and tighten securely, replace if
damaged;
• Clean the strainer;
• Replacing the discharge hose;
• Place the water pump in such a way as to reduce the
suction height;
• Pull the throttle lever to the left;