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Care and service
DANGER
Danger of injury from electric shock.
The device can start unintentionally. You can be injured
by moving parts.
Remove the spark plug connector before performing
any maintenance work.
CAUTION
Danger of burns.
Hot device components cause burns if touched.
Allow the device to cool down before working on it.
* See "Startup" for a description.
** See "Maintenance work" for a description.
Maintenance intervals
Each time before use
1. Check the device for correct condition and opera-
tional safety. Do not start up a damaged device.
2. Check the oil level. *
3. Check the air filter. **
Once after 1 month or 20 operating hours
1. Change the oil. **
Every 3 months or 50 operating hours
1. Clean the air filter. **
Perform cleaning more frequently in a dusty applica-
tion environment.
Every 6 months or 100 operating hours
1. Change the oil. **
2. Clean the settling cup. **
3. Check and clean the spark plug. **
4. Clean the spark catcher (not included in the scope
of delivery). **
Annually by the authorised Customer Service
department
1. Check and adjust the valve play.
2. Clean the fuel tank and fuel filter.
3. Replace the air filter insert.
4. Replace the spark plug.
5. Check/adjust the idling mixture speed.
6. Check/adjust the valve play.
7. Check the pump impeller.
8. Check the gap between the casing and impeller.
9. Check the pump inlet valve.
Every 2 years by the authorised Customer Service
department
1. Check the fuel line and replace if necessary.
2. Clean the engine combustion chamber.
Maintenance work
Check the air filter
1. Lift the strap and remove the cover.
Illustration E
Cover
1
Lap
2
Air filter insert
3
2. Check the air filter insert for soiling. Clean the air fil-
ter if necessary or replace if damaged (see "Clean-
ing the air filter").
3. Fit the cover and latch into place.
Cleaning the air filter
ATTENTION
Risk of damage
Penetrating dust can destroy the engine if the air filter
insert is absent.
Do not operate the device without an air filter insert.
1. Open the air filter (see "Checking the air filter").
2. Remove the air filter insert.
3. Wash the air filter insert in warm water and house-
hold cleaner then rinse with clear water.
Note: Dispose of the oil contaminated washing solu-
tion in an environmentally friendly manner.
4. Allow the air filter insert to dry.
5. Saturate the air filter insert in clean engine oil and
press out the excess oil.
6. Fit the air filter insert back into place.
7. Fit the cover.
8. Close the latches.
Changing oil
Perform the oil change on a warm engine.
1. Unscrew the oil dipstick.
Illustration F
Oil dipstick
1
Oil drain plug
2
2. Unscrew the oil drain screw with seal and catch the
escaping oil.
3. Screw in and tighten the oil drain screw with seal.
4. Position the device on a level surface.
5. Measure the correct quantity of engine oil (for oil
type see "Technical data") and fill through the oil dip-
stick hole.
6. Check the oil level (see "Starting up").
7. Screw in and tighten the oil dipstick.
8. Dispose of the old oil in accordance with the envi-
ronmental regulations.
Cleaning the settling cup
The settling cup separates water from the petrol.
1. Close the fuel cock.
2. Unscrew the settling cup.
Illustration G
Settling cup
1
Screw
2
3. Remove the settling cup with O-ring.
4. Clean the settling cup and O-ring using a non-in-
flammable solvent and allow to dry.
5. Fit the settling cup and O-ring and screw tight.
6. Open the fuel cock.
7. Check the seal between the settling cup and carbu-
rettor.
8. Close the fuel cock.
Checking and cleaning the spark plug
1. Pull off the spark plug connector.
Illustration H
Spark plug connector
1
Spark plug
2
2. Clean the region around the spark plug to prevent
dirt from entering the engine when the spark plug is
removed.
3. Unscrew the spark plug.
4. Replace a spark plug that has worn electrodes or a
broken insulator.
5. Check the electrode gap of the spark plug. Target
value 0.7...0.8 mm.
6. Check the spark plug seal for damage.
ATTENTION
Risk of damage
A loose spark plug can overheat and damage the en-
gine. An overtightened spark plug can damage the
thread in the engine.
Observe the following instructions for tightening the
spark plug.
7. Carefully screw the spark plug in by hand. Do not
cross the thread.
8. Screw the spark plug all the way in using the plug
spanner and the tighten as follows.
a Tighten a used spark plug by an additional 1/
8...1/4 turn.
b Tighten a new spark plug by an additional 1/2
turn.
9. Plug on the spark plug connector.
Troubleshooting guide
Have all checks and work on electrical parts performed
by an expert.
In case of any malfunctions not mentioned in this chap-
ter, contact the authorised Customer Service.
The engine does not start.
1. Open the fuel cock.
2. Push the choke lever to the left.
3. Set the power switch to "I".
4. Fill the tank with fuel.
5. Check the oil level and top up if necessary.
6. Clean the fuel tank and carburettor. Refuel with
fresh fuel.
7. Check the spark plug (see"Care and maintenance/
Checking and cleaning the spark plug").
8. Allow a wet spark plug to dry. Then start the engine
with the accelerator lever at the full speed position.
9. Clean the settling cup (see "Care and Maintenance/
Cleaning the settling cup").
Low engine performance
1. Check the air filter.
2. Clean the fuel tank and carburettor. Refuel with
fresh fuel.
Pump does not deliver any water
1. Vent air from the pump.
2. Check the suction hose for leaks and holes.
3. Check the flat seal between the device and the suc-
tion hose.
4. Use a more sturdy suction hose.
5. Completely immerse the suction filter.
6. Clean the suction filter.
7. Position the pump closer to the water source. Re-
duce the height difference between the pump and
water surface.
8. Use shorter hoses.
English
Low delivery rate
1. Check the suction hose for leaks and holes.
2. Check the flat seal between the device and the suc-
tion hose.
3. Use a more sturdy suction hose.
4. Completely immerse the suction filter.
5. Clean the suction filter.
6. Position the pump closer to the water source. Re-
duce the height difference between the pump and
water surface.
7. Use shorter hoses.
Warranty
The warranty conditions issued by our sales company
responsible apply in all countries. We shall remedy pos-
sible malfunctions on your device within the warranty
period free of cost, provided that a material or manufac-
turing defect is the cause. In a warranty case, please
contact your dealer (with the purchase receipt) or the
next authorised customer service site.
(See overleaf for the address)
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