Residential riding lawn mower

For your safety

Attention
In general, the term "unit" is used in what follows. The engine can be installed in different units.
Danger!
Follow all safety and operating instructions contained in the instruction manual for the machine on which this engine is installed.
Explosion and fire hazard!
Gasoline and gasoline vapors are extremely flammable and explosive. Fire or explosion can cause severe burns or death. If gasoline comes into contact with the body or clothing, immediately wash the skin and change clothing.
- Before refueling, turn off the engine and let it cool for at least two minutes before opening the fuel tank cap.
- Only fill the tank outdoors or in a well ventilated area.
- Use only approved fuel containers.
- Never fill a can of gasoline in a car, tractor or trailer with plastic panels. Always fill the gas canister on the ground and some distance from the vehicle.
- If possible, remove motorized units from the truck or trailer and refuel on the ground. If this is not possible, fill these devices from a can of gasoline, and not directly through the fuel pump hose.
- Always install and hold the fuel hose at the edge of the filler neck of a tank or can of gasoline until refueling is complete. Do not use the locking lever for continuous filling.
- Do not overfill the tank. Fill the tank to about two centimeters below the filler neck to allow the fuel to expand.
- Keep fuel away from sparks, open flames, pilot lights, sources of heat and ignition.
- Never refuel units in enclosed spaces as this produces flammable vapors.
- Do not smoke.
- Frequently check fuel lines, tank, fuel tank cap, and fittings for cracks or leaks. Replace if necessary.
- Make sure the spark plug, exhaust valve, fuel tank cap, and air filter are installed before starting the engine.
- Do not start the engine without the spark plug installed.
- Fuel has been spilled, wait until the fuel has evaporated before starting the engine.
- When operating implements, do not tilt the engine or implement so far that fuel can flow out.
- Do not use the choke to stop the engine.
- Transport units with empty tank only.
- Keep gasoline or units with a full tank away from heaters, stoves, hot water boilers, or other equipment equipped with warning lights or other sources of ignition as they may ignite gasoline vapors.
Explosion and fire hazard!
Engine sparks when starting. These sparks can ignite flammable vapors nearby. This may cause an explosion or fire.
- Do not start the engine near damaged gas equipment.
- Do not use pressurized starting aids as their vapors are highly flammable.
Choking hazard!
Engines emit carbon monoxide, urless odor and bellows. Breathing carbon monoxide can cause dizziness, fainting, or death.
- Start engine and operate outdoors only.
- Do not start or start the engine in an enclosed area, even if the doors and windows are open.
Risk of injury!
Starting the engine unintentionally could result in serious injury, fire, or electrical shock.
- Before doing any work, such as adjustments or repairs, always remove the spark plug terminal and keep it away from the spark plug.
- Use only an authorized ignition tester to test ignition.
- Perform an ignition test on the removed spark plug.
Risk of burns! Fire hazard!
A running engine generates heat. Engine parts, especially the exhaust system, are very hot. Do not touch or you may get severe burns.
Flammable objects such as leaves, grass, bushes, etc. may ignite.
- Do not touch the exhaust pipe, cylinder block or cooling fins until they are cool.
- Keep children away from hot or running engine.
- Remove flammable objects near the exhaust pipe and cylinder.
Danger of electric shock! Fire hazard!
Ignition sparks may cause fire or electric shock.
Risk of injury!
Rotating parts may touch or get caught in arms, legs, hair, clothing or parts thereof. This could result in serious injury.
- Operate machine only with guards in place.
- Keep hands and feet away from rotating parts.
– Tie up long hair and remove jewelry before starting work.
- Do not wear loose clothing, dangling laces, or items that can be caught.
- Directly connected components such as cutters, fan impeller, drive parts, etc. must be securely fastened.
Danger of electric shock if the engine is equipped with an electric starter!
When the ignition is on and the engine is running, never touch electrical cables or components. You may get electrocuted.
Risk of injury! Unit damage!
Do not change the engine settings from the factory.
Symbols on the device
Safety instructions and warnings, illustrated with symbols or pictograms, are located on the engine. The symbols have the following meanings:
Caution! Warning is a source of danger.
Read the operating instructions before switching on the machine!
Warning - hot surface!
Warning - toxic fumes!
Gasoline is flammable!
Use unleaded petrol!
Do not use the device in the rain!
Ensure that these characters installed on the device remain readable.
Replace damaged or illegible characters.

About the engine

Various models are described in this instruction manual.
Graphic images may differ in detail from the instrument purchased.
Compare fig. 1 with your device and make sure you know where the various controls and knobs are located.

Fig. 1

1. Extract
2. Drain valve
3. Electric starter (depending on the model)
4. Finger protection
5. Air filter 9026 Oil filter
6. Oil filler cap/dipstick
7. Starter handle (depending on model)

Instruction manual

Checks before operating the unit Recommended oils
Attention!
The unit is shipped without fuel and with engine oil. If the engine is run without sufficient oil, the engine can be seriously damaged. This damage is excluded from the warranty.
Before starting the engine, check the oil level and top up if necessary.
Do not overflow. The oil tank has a capacity of approx. 1.4 liters. Use 4-stroke engine oil grade SJ or higher. Select an oil viscosity from the following table depending on the outside temperature:

SAE 10W-30 is recommended for general use in the normal temperature range. If an oil with one viscosity is used, the viscosity should be selected from the table corresponding to the average temperature in the area of ​​application.
Attention!
The use of poor quality oil or 2-stroke oil can shorten engine life.
Oil level check
Attention!
When checking the oil, make sure the machine is on a level surface and the engine is off.
Always clean the area around the dipstick before removing it (fig. 3).
Fig 2

• Unscrew the oil filler cap (1) and wipe the dipstick clean.
• Insert a feeler gauge into the intake manifold and tighten.
• Pull the dipstick out again and check the oil level. If the level is too low, slowly add some oil up to the upper "max" mark on the dipstick.
• Screw the dipstick firmly in before starting the engine.

Attention!
Do not add too much oil. If the engine is overfilled with oil, it can damage the engine, produce smoke, make it difficult to start, or smoke the spark plug.
Recommended fuels
Danger!
- Gasoline is extremely flammable and explosive under certain conditions.
- Refuel only in a well ventilated area with the engine off. Do not smoke near the tank or in fuel storage areas and extinguish all sources of ignition.
- Do not overfill the gas tank (there should be no fuel in the filler neck). After refueling, make sure the tank cap is closed and secure.
- When refueling, be careful not to spill fuel. Spilled fuel or gasoline vapors can ignite. If fuel has been spilled, make sure the area is dry before restarting the engine.
- Avoid repeated or prolonged contact with skin and inhalation of vapours.
Risk of engine damage!
- Do not mix fuel and oil.
- Use only clean, fresh, unleaded fuel.
- Use only fuel with an octane rating of 87 or higher.
- Do not use specification E85/E15 fuel!
- Store fuel only in quantities that can be used within 30 days.
- Do not leave fuel in the tank without stabilizer for more than 30 days - otherwise the warranty may be voided.
- Make sure the tank is free of dirt, dust or water.
Checking the petrol level
Attention!
Allow the engine to cool for at least two minutes before refueling.
Follow the instructions in the unit's instruction manual for checking the petrol level and topping up.
Fig. – see unit manual

• Before removing the fuel tank cap and refueling, clean the area around the filler neck.
• Fill tank approx. 2 cm below the inlet neck or until the fuel reaches the maximum level on the gauge (depending on the model), allowing the fuel to expand.

Starting the engine
Fig 4
Danger!
Keep hands and feet away from moving parts. Do not use pressure starting aids. Vapors are highly flammable.
Danger!
Follow all operating instructions contained in the instruction manual for the machine on which this engine is installed.
Notes
- Some models do not have a throttle.
The speed is set automatically.
The engine always runs at optimum speed.
- Some models do not have a choke.
The engine is automatically tuned to a certain starting process.
- It is not necessary to use the choke if the engine is warm or the ambient temperature is high.
- Allow the engine to warm up for a few minutes before working on the machine.
Turn off all drive units, place drive in neutral (N) and apply parking brake (if equipped).
Set the throttle valve (fig. 4b) to position .
If the engine is cold, pull out the choke (fig. 4a) or set the throttle to position (fig. 4b).
Electric start (depending on model)

• Disconnect charger from power source and instrument.

Turn the ignition key (fig. 4c/4d) until the engine starts (attempt to start no more than 5 seconds, wait 10 seconds before trying again).
Recoil start (depending on model)

• Set the ignition key (fig. 4c/4d) to position .
• Gently pull the starter handle (10, fig. 1) until it resists.

Then pull quickly and hard to overcome the compression and prevent play. Repeat if necessary.

Attention!
Do not allow the starter handle to be pushed away from the engine. Pull it back slowly to avoid damaging the starter.
When the engine starts

• turn the ignition key to position .
• Slowly push the throttle back in.
• Return the throttle until the engine runs smoothly.

Stop engine
Figure 4
 Turn off all drive units, place drive in neutral (N) and apply parking brake (if equipped).
 Move the throttle to the middle position.
 Run the engine for approx. 20 seconds.
 Turn the ignition key to position /0.
 Remove the key from the ignition.
 Apply the parking brake (if equipped) before leaving the machine.

Maintenance / cleaning

Danger!
Allow the engine to cool down before carrying out any work, such as maintenance and cleaning work.
Remove the ignition key.
To prevent unintentional starting of the engine, always remove the spark plug terminal.
Attention!
- The engine is optimally tuned by the manufacturer for power and consumption. Any change to these settings may only be made by the manufacturer or an authorized technician.
- If the engine must be tilted for transport, inspection of the unit, or removal of dirt, always ensure that the spark plug is pointing up when the engine is tilted, otherwise the engine may be damaged by fuel or oil.
- Empty the fuel tank before transporting the device in a vehicle.
- Spare parts must comply with the requirements set by the manufacturer.
- Therefore, only original spare parts or those approved by the manufacturer should be used. Repairs must only be carried out by a
workshop.
To maintain constant high power, the engine must be regularly checked and adjusted. Regular maintenance ensures a long service life. The required maintenance intervals and the type of maintenance work to be performed are shown in the following table. Intervals according to opening hours or other times/dates must be respected according to whichever comes first. If the engine is operated under severe conditions, more frequent maintenance is required.
At the end of the season, the unit must be checked and serviced by a specialist workshop.

Service schedule

1. Under heavy load or high ambient temperature
2. Service more frequently if the unit is used in a dusty environment.

Oil check

• Always check the oil level before starting the engine.
• Make sure the correct oil level is always maintained. See Checking the Oil Level.

Oil and oil filter change
Danger!
– Used motor oil can cause skin cancer if it comes into contact with the skin frequently or for a long time. Although unlikely, provided that used oil is not handled daily, it is recommended that you wash your hands with soap and water as soon as possible after handling used oil.
- Drain the oil while the engine is still warm but not hot (oil drains quickly and completely).
- If the machine must be tilted to drain the oil, start the engine first until the fuel tank is empty.
Caution
Always dispose of used oil/oil filters in accordance with current environmental regulations. It is recommended to take used oil in a sealed container to a used oil collection point. Do not dispose of with residual waste or pour onto the ground or leave to seep.
Oil change
Figure 5

• Place the unit on a flat surface and secure it to prevent it from rolling.
• Remove the oil filler neck.
• Drain the oil into a suitable container:
  – Remove the cap (2) on the oil drain valve (1).
  – Turn the oil drain valve (1) 1/4 counterclockwise and at the same time pull it forward carefully.

Caution
If necessary, an additional oil drain hose can be attached to the oil drain valve.
- Close the oil drain valve again. Push in oil drain valve and turn 1/4 turn clockwise to close.

• Fill the oil tank with the recommended oil and check the oil level.
• Replace the oil filler cap.

Changing the oil filter
Fig. 6

• Drain the oil - see Changing the oil.
• Close the oil drain valve again.
• Unscrew the oil filter.
• Apply fresh oil to the O-ring of the new oil filter.
• Installing a new oil filter
  - Screw in the oil filter by hand until the O-ring is seated on the engine housing.
  - Tighten the oil filter 10 - 12 with the oil filter wrench, or hand tighten the oil filter an additional 1/2 - 3/4.
• Fill with oil and replace the filler cap - see Changing the Oil.
• Start the engine and run it briefly.
• Stop the engine and let it cool down.
• Check oil filter for leaks.
• Check the oil level and correct if necessary - see "Checking the oil level".

Air Filter Service
A dirty air filter restricts air from entering the carburetor. To prevent the carburetor from malfunctioning, the air filter must be serviced regularly. In a very dusty environment,
may require more frequent maintenance.
Danger!
Never clean the air filter with gasoline or low flash point solvents. There is a risk of fire or explosion.
Attention!
Never run the engine without an air filter. Otherwise, the engine may be damaged or subject to increased wear.
Caution
The filter paper cannot be cleaned.
Fig 7

• Loosen both wing nuts (1) and remove the air cleaner cover (2).
• Completely remove the air filter (3).
• Remove the foam pre-filter (4) from the paper filter (5).
• Replace dirty or damaged paper filter (5).
• Clean the foam pre-filter (4), replace if damaged.

To clean the foam prefilter, remove it from the paper filter and wash with a household detergent solution and warm water. Dry it thoroughly before reinstalling.
Caution
Never wet the foam pre-filter with oil.

• Completely assemble the air filter and properly position the round hole on the suction pipe (6).
• Attach the air filter cover.
• Tighten both wing nuts (1) finger tight.

Spark plug service
Danger!
Let the engine cool down too much.
Perform an ignition test on the removed spark plug. Do not start the engine without the spark plug installed.
To ensure proper engine operation, the gap between the electrodes on the spark plug must be properly adjusted and free of contaminants.
Fig. 8 and 9

• Remove the spark plug terminal (1) and unscrew the spark plug (2) using a spark plug wrench.
• Visually inspect the spark plug. Replace the spark plug if it is visibly worn or the insulator is damaged.
• Clean the spark plug with a wire brush if it is to be used again.
• Measure the electrode gap with a feeler gauge. If necessary, adjust the gap by slightly bending the side electrode. The gap between the electrodes should be 0.60 - 0.80 mm (Fig. 9).
• Check that the O-ring on the spark plug is in good condition, then screw in the spark plug by hand to avoid damaging the threads.
• With the spark plug hand-tight, tighten it with a spark plug wrench.

Attention!
Do not overtighten the spark plug. When tightening a spark plug with a spark plug wrench, observe the following values:
- new spark plug 1/2 turn max.
- used spark plug 1/8 - 1/4 turn max.
An incorrectly tightened spark plug can become very hot and damage the engine.
Fuel filter maintenance
These maintenance tasks may only be performed by a service center in accordance with the maintenance schedule.
Cleaning the engine
If the engine has been running, allow it to cool for at least one hour before cleaning. Remove accumulated dirt from the engine regularly. Clean finger
casing and area around the exhaust pipe. Use a brush or compressed air.
Attention!
Do not clean the engine by spraying it with water as this may contaminate the fuel. Water from a garden hose or high pressure cleaner can get into the outlet and damage the engine.
Danger!
Dirt accumulated around the exhaust pipe may ignite. Check and clean the area before using the device.

SP

Caution
Stabilizer can be added to the fuel if stored for more than 30 days. Contact your dealer or customer service center. Engines stored for more than 30 days should be free of fuel in the tank to prevent deposits in the fuel system, especially on critical parts of the carburetor.

• Leave the engine running until the tank runs out of fuel and the engine stops.
• Change oil. See Oil Change.
• Remove the spark plug and fill with approx. 15 ml of engine oil per cylinder. Reinstall the spark plug and operate the starter briefly to distribute the oil.
• Remove dirt around the engine, under the finger guard and under, around and behind the exhaust. Apply a thin coat of oil to areas that may rust.
• Store in a clean, dry and well-ventilated area away from devices that work with flames or warning lamps, such as heating equipment, boilers or dryers. Area
  should also be avoided in applications where a spark motor is installed or power tools are used.
• If possible, storage rooms with high air humidity should also be avoided, as this promotes rust and corrosion.
• Store the device on a level surface. If the machine is on a slope, fuel or oil may run out.

Procedure after extended storage

• Check the engine as described in Checking the engine before starting.
• If the fuel was drained before storing the unit, fill the tank with fresh gasoline. If you use a can of gasoline to refuel, make sure it contains fresh gasoline.
• If the cylinder has been lubricated with oil during storage, the engine emits a small amount of smoke when starting. This is fine.

Warranty

The warranty regulations issued by our company or the importer apply in all countries. Defects will be repaired free of charge under the warranty if they are caused by a material or manufacturing error. If you need to claim under warranty, please contact your dealer or the nearest agency.

Troubleshooting

Fault	Possible Cause	Action to Take	05
No fuel in tank	Fill tank with clean, fresh, lead-free fuel.
Stale fuel.	Drain old fuel into a suitable container outdoors. Fill the tank clean, fresh and lead-free fuel.
Engine cold, choke not activated.	Pull out the throttle.
Spark plug wire not connected.	Slide the spark plug wire onto the spark plug.
Spark plug dirty or defective.	Clean the spark plug. Adjust electrode gap or replace spark plug.
Throttle not in place	Set throttle valve to position.
Clogged fuel line.	Clean the fuel lines *).
Fuse defective.	Replace fuse *).
Starter defective.	Check starter *).
Engine runs erratically (stuttering).	Choke lever set to CHOKE/ .	Set the choke lever to the /OFF position.
	Spark plug wire not connected properly.	Connect spark plug wire securely.
	Stale fuel.	Drain old fuel into a suitable container outdoors. Fill the tank with clean, fresh, lead-free fuel. Learn more Decorating ideas wallpaper Stainless steel refrigerator cleaners Blue and black interior design Living room decorating ideas for small spaces Adding tile to bathroom wall Kitchen wall design How to polish stone tiles What to do with used loose tea leaves Growing kiwi from seeds Plinth for kitchen Oval room blue bedroom Home About Residential Commercial Unique & Historical News & Tidbits Blog Video Gallery