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17 Troubleshooting
17.1 Troubleshooting Water Pump
17 Troubleshooting
Most malfunctions have the same causes.
► Perform the following operations:
► Clean the air filter.
► Clean or replace the spark plug.
► Carry out the standard setting.
► Adjust idle speed.
► Adjust carburetor for operation at high altitude.
► If the malfunction still exists: Take the action described in the following table.
Condition Cause Remedy
Engine does not start. Insufficient fuel in the tank. ► Mix fuel and refuel the water pump.
Carburetor is too hot. ► Allow water pump to cool down.
► Before starting the engine: Depress the manual fuel pump bulb at
least ten times.
Carburetor is iced up. ► Allow water pump to warm up to +10°C.
Engine is flooded. ► Clear the combustion chamber.
Engine idles erratically. Carburetor is iced up. ► Allow water pump to warm up to +10°C.
Engine stops while idling Carburetor is iced up. ► Allow water pump to warm up to +10°C.
Water pump does not
pump water.
Strainer or hoses are
blocked.
► Clean the strainer and hoses.
Insufficient water. ► Make sure an adequate amount of water is available.
There is no water in the
water pump.
► Connect water pump to a water source.
► Fill water pump with water.
Maximum delivery head or
maximum suction head
has been exceeded.
► Observe the maximum delivery head or maximum suction head.
@ 18.1
Suction hose has
collapsed.
► Use a dimensionally stable suction hose of suitable pressure
rating.
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