1B20V, 1B30V, 1B40V/W, 1B50V/W Table of contents Table of contents Notices ......................... 5 General information .................... 6 Safety ........................ 7 General information.................... 7 3.1.1 Intended use and foreseeable misuse .............. 7 3.1.2 Machine user or machine manufacturer obligations .......... 8 3.1.3...
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Table of contents 1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance ...................... 49 General maintenance instructions............... 49 Maintenance work .................... 50 8.2.1 Maintenance notice label .................. 50 8.2.2 Maintenance plan.................... 51 8.2.3 Checking the intake area .................. 53 8.2.4 Changing the engine oil .................. 54 8.2.5...
This manual describes the following machine. Machine name HATZ diesel engine Type number 1B20V, 1B30V, 1B40V, 1B40W, 1B50V, 1B50W Customer service Have service work performed by qualified technicians only. We recommend that you work with one of the over 500 HATZ service stations. Trained spe- cialists there will repair your machine with Hatz original spare parts and with HATZ tools.
1B20V, 1B30V, 1B40V/W, 1B50V/W Safety Safety General information Introduction This chapter contains the information you need to work safely with this ma- chine. To prevent accidents and damage to the machine, it is imperative that these safety instructions be followed.
Machine manufacturer obligations If you have an engine that is not yet installed in a machine, it is imperative that you follow the Assembly Instructions for HATZ Diesel Engines be- fore installing the engine. These assembly instructions contain important in- formation on how to safely install the engine and are available at your near- est HATZ service station.
1B20V, 1B30V, 1B40V/W, 1B50V/W Safety Storing this manual This manual is an integral component of the machine (also when being sold). It must be stored in the direct vicinity of the machine and be accessi- ble to personnel at all times.
Safety 1B20V, 1B30V, 1B40V/W, 1B50V/W Signal words Signal words identify the magnitude of the risk and the seriousness of the possible injuries: Danger symbol/ Meaning signal word This signal word is used to indicate imminently DANGER dangerous situations which, if not avoided, will lead to serious injury or death.
1B20V, 1B30V, 1B40V/W, 1B50V/W Safety Symbol Meaning Warning of explosive substances! Warning of toxic engine exhaust! Warning of corrosive substances! Warning of heavy loads! Warning of environmental damage! Comply with this manual or additional documentation from other manufacturers or the carrier.
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Safety 1B20V, 1B30V, 1B40V/W, 1B50V/W DANGER Danger to life, danger of injury or danger of property dam- age due to failure to comply with this manual and the safety instructions contained therein. ▪ As the operator of the machine, you must ensure that all people working on the machine are familiar with the content of this manual.
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1B20V, 1B30V, 1B40V/W, 1B50V/W Safety Personal protective Pictogram Function equipment Safety shoes Safety shoes offer protection against: ▪ Slipping ▪ Falling objects Hearing protection Hearing protection offers protec- tion against ear injuries due to excessive and constant noise. Safety gloves Safety gloves protect the hands against injury, e.g.
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Safety 1B20V, 1B30V, 1B40V/W, 1B50V/W General safety instructions DANGER Danger to life and danger of injury due to failure to follow the warnings on the machine and in this manual. ▪ Heed the warnings on the machine and in this manual.
If you have an engine that is not yet installed in a machine, it is imperative that you follow the Assembly Instructions for HATZ Diesel Engines be- fore installing the engine. These assembly instructions contain important information on safe installa- tion.
Safety 1B20V, 1B30V, 1B40V/W, 1B50V/W DANGER Fire hazard from fuel. Leaked or spilled fuel can ignite on hot engine parts and cause serious burn injuries. ▪ Only refuel when the engine is switched off. ▪ Never refuel in the vicinity of open flames or sparks that can cause ignition.
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1B20V, 1B30V, 1B40V/W, 1B50V/W Safety Measures following maintenance and troubleshooting ▪ Securely reconnect loose electrical connections; check that the electrical components and equipment are functioning properly. ▪ Check the entire machine for foreign bodies; remove any foreign bodies. Safety instructions for maintenance work DANGER Danger of explosion from flammable cleaning agents.
Safety 1B20V, 1B30V, 1B40V/W, 1B50V/W 3.2.4 Electrical equipment Safety notes DANGER Danger to life, danger of injury or danger of property dam- age due to incorrect use of batteries. ▪ Do not place tools on the battery. ▪ Before performing work on the electrical equipment, always disconnect the negative battery terminal.
1B20V, 1B30V, 1B40V/W, 1B50V/W Safety NOTICE ▪ The necessary wiring diagrams are included with the ma- chine if it is equipped with electrical equipment. Additional wiring diagrams can be requested when needed. ▪ We cannot be held liable for electrical equipment that is not designed according to HATZ wiring diagrams.
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Safety 1B20V, 1B30V, 1B40V/W, 1B50V/W Label Meaning Start the engine with the recoil start (see chapter 7.4.1 Starting the en- gine with recoil start (up to -6 °C), page 35). 0000 051 300 02 CAUTION Danger of injury from faulty starter 0000 053 338 01 rope.
1B20V, 1B30V, 1B40V/W, 1B50V/W Technical data Technical data Engine information and filling quantities Type 1B20 1B30 1B40 1B50 Model Type Air-cooled four stroke diesel engine Combustion system Direct injection Number of cylinders Bore/stroke 69 / 65 80 / 69 88 / 76...
Technical data 1B20V, 1B30V, 1B40V/W, 1B50V/W Engine type plate ➀ ➁ ➂ ➃ The engine type plate is located on the sound protection hood and contains the following engine information: Number of the engine family or the EU approval (for engines with ex- haust certificate only) Engine type, customer specification and setting of pumping start (°...
1B20V, 1B30V, 1B40V/W, 1B50V/W Technical data Physical operating conditions Engine adjustment The engine is normally adjusted to operate within the standard reference conditions stipulated in ISO 3046-1: Parameter Unit Value Intake air temperature °C Relative humidity Air pressure (at approx. 100 meters above sea...
Technical data 1B20V, 1B30V, 1B40V/W, 1B50V/W Choose the recommended viscosity based on the type of start (recoil, crankhandle or electric) and on the engine temperature at which the engine will be operated. CAUTION Engine damage from unsuitable engine oil. Unsuitable engine oil considerably reduces engine service life.
1B20V, 1B30V, 1B40V/W, 1B50V/W Engine design Engine design Overview Fuel cap Recoil start Dry air filter Intake opening for cooling and combustion air Voltage regulator Starter Sound protection hood Lifting eye Stop pin (option) Speed control lever Oil filler plug...
Transport, assembly and commissioning 1B20V, 1B30V, 1B40V/W, 1B50V/W Transport, assembly and commissioning Transport Safety notes WARNING Danger of injury from improper lifting and transport. Danger of crushing from falling or tipping of the engine. ▪ Only use the lifting eye already mounted on the machine for lifting.
Installation notes HATZ diesel engines are efficient, robust, and have a long service life. Therefore, they are usually installed in machines that are used for commer- cial purposes. The machine manufacturer must follow the applicable regulations regarding machine safety –...
Transport, assembly and commissioning 1B20V, 1B30V, 1B40V/W, 1B50V/W ▪ Parts of the exhaust gas system and the engine surface become hot dur- ing operation and may not be touched until they cool down after the en- gine is switched off.
1B20V, 1B30V, 1B40V/W, 1B50V/W Transport, assembly and commissioning Filling engine oil (first filling) Engines are normally delivered without an engine oil filling. Safety notes CAUTION Danger of injury Prolonged contact with engine oil can lead to irritation of the skin.
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Transport, assembly and commissioning 1B20V, 1B30V, 1B40V/W, 1B50V/W Step Activity Fill engine oil. For the specification and viscosity, see chapter 4.4 Engine oil, page 23. See chapter 4.1 Engine information and filling quantities, page 21 for the engine oil capacity.
1B20V, 1B30V, 1B40V/W, 1B50V/W Operation and use Operation and use Safety notes NOTICE Comply with the safety chapter! Follow the basic safety instructions in chapter 3 Safety, page 7. WARNING Danger of injury from damage and defects on the machine.
Operation and use 1B20V, 1B30V, 1B40V/W, 1B50V/W Max. permissible forces on the speed control lever and stop pin Performing tests Before starting Before starting the engine, several tests need to be performed to ensure the machine is working properly. Procedure...
1B20V, 1B30V, 1B40V/W, 1B50V/W Operation and use Setting the speed control Safety note CAUTION Damage to the diesel engine due to inadequate lubrication. ▪ After the engine has been out of use for an extended period (approx. 6 months or longer) or when the engine is first taken into service, operate the engine at a low set speed and without a load for approx.
Operation and use 1B20V, 1B30V, 1B40V/W, 1B50V/W Starting the engine Starting options A hand start mechanism is standard equipment for the engine. A starter can be installed as an option. If possible, separate the engine from the machine being driven by uncou- pling it.
1B20V, 1B30V, 1B40V/W, 1B50V/W Operation and use 7.4.1 Starting the engine with recoil start (up to -6 °C) Overview Grip Recoil start cover Diagram of starting procedure Procedure Recoil start for model without additional starter (up to -6 °C) HATZ Manual...
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Operation and use 1B20V, 1B30V, 1B40V/W, 1B50V/W Step Activity Check the speed adjustment (see chapter 7.3 Setting the speed control, page 33). Slowly pull out the grip with the rope until you encounter slight resistance. Let the rope run back in to be able to use the entire rope length for the starting procedure.
1B20V, 1B30V, 1B40V/W, 1B50V/W Operation and use Step Activity Slowly pull out the grip with the rope until you encounter noticeable compression resistance. Continue tightening slowly and more forcefully until the resistance become noticeably less (compression overcome). Now let the rope glide back – the engine is in the start position.
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Operation and use 1B20V, 1B30V, 1B40V/W, 1B50V/W Starting key Pre glow display (option) Air filter maintenance indicator (not activated) Engine temperature display (option) Oil pressure display Charge control Operating display Operating hours counter (option) Ignition lock Operation Start Indicator lamps When the starting key is turned to position "I"...
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1B20V, 1B30V, 1B40V/W, 1B50V/W Operation and use Overview – Fuel shut-off valve (option) Fuel shut-off valve Description of functions When the starting key is moved to position I the fuel shut-off valve (1) is electrically unlocked. The fuel supply to the injection pump is enabled, the engine is ready to start.
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Operation and use 1B20V, 1B30V, 1B40V/W, 1B50V/W Step Activity Turn the starting key to position "II". As soon as the engine is running, release the starting key. ▪ The starting key springs back to position "I" and remains in this position during operation.
1B20V, 1B30V, 1B40V/W, 1B50V/W Operation and use Step Activity Turn the starting key back to position "I". The fault display lights up again. Remedy the fault before making further starting attempts (see chapter 9.1 Troubleshooting, page 72). The indicator then goes out at the next start.
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Operation and use 1B20V, 1B30V, 1B40V/W, 1B50V/W Overview Speed control lever Stop pin (option) Procedure Step Activity Speed control lever Push the speed control lever (1) all the way to the "STOP" po- sition. The engine switches off. Stop pin Press and hold the stop pin (2) until the engine switches off.
1B20V, 1B30V, 1B40V/W, 1B50V/W Operation and use 7.5.2 Switching off the engine (electrical) Overview — HATZ instrument boxes Protective cap Starting key Fuel shut-off valve Ignition lock Operation Step Activity Turn the starting key (2) to position "0". ▪ The fuel shut-off valve shuts off the fuel supply to the injection pump.
Operation and use 1B20V, 1B30V, 1B40V/W, 1B50V/W NOTICE Danger of exhaustive battery discharge. ▪ When the machine is switched off, always turn the starting key to position "0" or else the battery may become fully dis- charged. Checking the oil level and adding oil if necessary...
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1B20V, 1B30V, 1B40V/W, 1B50V/W Operation and use Overview Dipstick Oil filler plug Oil refilling container Procedure — Checking oil level/adding oil Step Activity Switch off the engine and wait several minutes for the engine oil to collect in the crankcase. Engine must be level.
Operation and use 1B20V, 1B30V, 1B40V/W, 1B50V/W Refueling Safety notes DANGER Fire hazard from fuel. Leaked or spilled fuel can ignite on hot engine parts and cause serious burn injuries. ▪ Only refuel when the engine is switched off. ▪...
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1B20V, 1B30V, 1B40V/W, 1B50V/W Operation and use Overview Fuel tank Fuel cap Procedure Step Activity Open the fuel cap. Fill the fuel tank with diesel fuel. Close the fuel cap. NOTICE ▪ Before starting for the first time or if the fuel system is empty, fill the fuel tank fully with diesel fuel.
Operation and use 1B20V, 1B30V, 1B40V/W, 1B50V/W Check the air filter warning indicator (option) Overview Rubber bellow Green field Procedure Step Activity Bring the engine briefly to maximum speed. When the rubber bellow (1) contracts and covers over the green field (2), immediately check the air filter system (see chapter 8.2.11 Maintaining the dry air filter, page 68).
1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance Maintenance General maintenance instructions Safety notes WARNING Danger of injury from failure to follow the operating instruc- tions and from performing unauthorized tasks on the ma- chine. ▪ Follow all instructions. ▪ Do not perform activities for which no qualification is avail- able.
Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W ▪ For engines with an electric starter: Disconnect the negative battery termi- nal before carrying out maintenance work. Performance of maintenance work The entire machine is designed to be maintenance friendly. Parts that re- quire maintenance are easily accessible.
1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance 1B20: 0,20mm 1B27: 0,10mm 1B30: 0,10mm 1B40: 0,10mm 1B50: 0,10mm 0000 051 104 06 250h = 1h 500h 8.2.2 Maintenance plan In new and generally overhauled engines, after 25 operating hours: ▪ Change the engine oil ▪...
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Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W Symbol Maintenance in- Maintenance step/check Chapter terval Every 250 operat- Change the engine oil. 8.2.4 Changing 250h ing hours the engine oil, page 54 Check and set the tappet 8.2.6 Check and clearance. set the tappet clearance, page Clean the cooling air area.
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1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance 8.2.3 Checking the intake area Safety notes CAUTION Danger of burns. There is a danger of burns when working on a hot engine. ▪ Let the engine cool. ▪ Wear safety gloves. NOTICE In case of heavy contamination, shorten the maintenance inter- vals accordingly (see chapter 8.2.2 Maintenance plan, page 51).
Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W 8.2.4 Changing the engine oil Safety notes CAUTION Danger of burns. When working on the engine there is a danger of burns from hot oil. ▪ Wear personal protective equipment (gloves). CAUTION Danger of environmental damage from spilled used oil.
1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance Overview Oil drain screw Seal ring Procedure Step Activity Keep a container ready for collecting the used oil. The con- tainer must be large enough to hold the entire amount of en- gine oil. Unscrew the oil drain screw (1) and drain the oil entirely.
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Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W CAUTION Danger of injury Prolonged contact with engine oil can lead to irritation of the skin. ▪ Wear safety gloves. ▪ If there is contact with the skin, thoroughly wash the af- fected areas of the skin with soap and water.
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1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance Step Activity Figure Pull the oil filter (2) out of the housing. Blow out the oil filter with com- pressed air from the inside to the outside. Check the gasket (3) for dam- age and renew if necessary.
Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W Step Activity Figure Check the oil level and add oil to the max. mark if necessary (see chapter 7.6 Checking the oil level and adding oil if nec- essary, page 44). 8.2.6 Check and set the tappet clearance...
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1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance Procedure Step Activity Figure Remove dirt in the area of the cylinder head cover (1). Remove the screws (2). (1B20 and 1B30: 2 screws, 1B40 and 1B50: 3 screws). Take off the cylinder head cover (1) including the gasket (3).
Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W Step Activity Figure If the tappet clearance needs to corrected: Release the screw (7) and turn the hex nut (8) so the feeler gage (6) can be pulled through with a barely perceptible resis- tance after the screw (7) is tightened again.
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1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance Procedure Step Activity Figure Dry contamination Remove the screws (1). Take off the recoil start (2) and clean it. Clean the fan blades with a suitable brush. HATZ Manual...
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Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W Step Activity Figure Then blow it out with com- pressed air. Also clean the cooling ribs of the cylinder head (3) and cylin- der (4) and blow out with com- pressed air. Check the air gap (5) for dirt and clean with compressed air if necessary.
1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance Step Activity Figure The element can be checked and cleaned through the holes in the contact guard. Mount the recoil start (2) again. Moist or oily contamination Contact Hatz service. 8.2.8 Check the screw connections NOTICE ▪...
Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W 8.2.9 Clean the exhaust screen Safety notes CAUTION Danger of burns. There is a danger of burns when working on a hot engine. ▪ Let the engine cool before maintenance. CAUTION Danger of injury There is a danger of injury when performing cleaning work at the exhaust screen.
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1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance Step Activity Figure Remove the deposits in the screen insert with a suitable wire brush. Check the screen insert for cracks or breakage, and re- place if necessary. Mount the screen insert and bracket again.
Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W 8.2.10 Changing the fuel filter Safety notes DANGER Fire hazard from fuel Leaked or spilled fuel can ignite on hot engine parts and cause serious burn injuries. ▪ Do not spill fuel. ▪ No open flames when working on the fuel system.
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1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance Procedure Step Activity Figure Open the fuel cap (1) and pull the fuel filter (2) out of the tank by the cord. Pull the fuel feed line (3) off of the fuel filter (4) and insert a new filter.
Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W 8.2.11 Maintaining the dry air filter NOTICE ▪ Immediately clean the filter cartridge if the maintenance dis- play appears at maximum speed. ▪ Renew the filter cartridge after a use period of 500 operating hours.
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1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance Step Activity Figure The air filter cartridge either needs to be replaced, or cleaned or checked depend- ing on the degree of contam- ination (see chapter 8.2.12 Checking and cleaning the air filter cartridge, page 70).
Maintenance 1B20V, 1B30V, 1B40V/W, 1B50V/W 8.2.12 Checking and cleaning the air filter cartridge Safety notes CAUTION Danger of injury. When working with compressed air, foreign bodies may fly into your eyes. ▪ Wear safety goggles. ▪ Never direct the compressed air jet toward people or toward yourself.
1B20V, 1B30V, 1B40V/W, 1B50V/W Maintenance 8.2.13 Suctioning off water in the fuel tank Temperature fluctuations result in condensation collecting at the bottom of the fuel tank. Safety note CAUTION Danger of environmental damage from spilled fuel. When water is suctioned out of the fuel tank, a small amount of fuel is also extracted.
Faults 1B20V, 1B30V, 1B40V/W, 1B50V/W Faults Troubleshooting General troubleshooting notes If the cases listed below have been worked through but the fault continues to persist, please contact your nearest Hatz service station. The engine does not start or is difficult to start, but can be turned easily as...
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1B20V, 1B30V, 1B40V/W, 1B50V/W Faults If equipped with a fuel shut-off valve or electrical automatic shutoff (engine does not start) Possible causes Remedy Chapter The fuel shut-off valve Contact Hatz Service. is not functional and/or irregularities in the electrical equipment.
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Faults 1B20V, 1B30V, 1B40V/W, 1B50V/W Possible causes Remedy Chapter Fuel filter is clogged. Change the fuel filter. 8.2.10 Changing the fuel filter, page 66 Stop signal from monitoring elements that are associated with the au- tomatic switch-off (optional): ▪ No oil pressure.
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1B20V, 1B30V, 1B40V/W, 1B50V/W Faults Possible causes Remedy Chapter Fuel filter is clogged. Change the fuel filter. 8.2.10 Changing the fuel filter, page 66 Tank vent is clogged. Ensure that the tank is suffi- ciently vented. Air in the fuel system.
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Faults 1B20V, 1B30V, 1B40V/W, 1B50V/W Possible causes Remedy Chapter ▪ Fuel filter is clogged. Change the fuel filter. 8.2.10 Changing the fuel filter, page 66 ▪ Inadequate tank Ensure that the tank is suffi- venting. ciently vented. ▪ Air in the fuel sys- Check the fuel system for air tem.
1B20V, 1B30V, 1B40V/W, 1B50V/W Faults Condensate emerges from the exhaust silencer Possible causes Remedy Chapter Operation under no Operate the machine at a load load or very low load of approx. 70 % if possible until for an extended period. the exhaust outlet is dry again.
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Faults 1B20V, 1B30V, 1B40V/W, 1B50V/W Overview Fuel shut-off valve (option) Emergency start lever Procedure Step Activity Using suitable pliers, turn the emergency start lever (2) coun- terclockwise by at least 90° (seal wire tears). The emergency start lever is now located in the start position, and the fuel shut-off valve (1) is mechanically unlocked.
1B20V, 1B30V, 1B40V/W, 1B50V/W Storage and disposal Storage and disposal 10.1 Storing the machine Safety notes DANGER Danger to life from inhaling exhaust gases. Toxic engine exhaust gases can lead to loss of consciousness and even death in closed-off and poorly ventilated rooms.
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Storage and disposal 1B20V, 1B30V, 1B40V/W, 1B50V/W Step Activity Drain the fuel tank until it is nearly empty and fill with FAME*- free fuel. Operate the engine for a few minutes so that only FAME-free fuel is still in the fuel system.
1B20V, 1B30V, 1B40V/W, 1B50V/W Storage and disposal 10.2 Disposing of the machine Disposal information Dispose of the machine (including machine parts, engine oil and fuel) ac- cording to the local disposal regulations and the environmental laws in the country of use.
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