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Raptor 900 Compact Wood Chipper/Shredder 

 

E&OE 

©2018 Michigan USA 

22 

Troubleshooting 

Running combustion engines in confined areas 

CAN KILL IN MINUTES

. Engine exhaust 

fumes contain carbon-monoxide – a deadly gas that you cannot smell or see. NEVER run a 

combustion engine in confined areas EVEN IF windows and doors are open. ONLY run 

combustion engines OUTDOORS and away from doors, windows and vents. • 

Petrol/fuel/gasoline is extremely flammable – keep clear of naked flames or other ignition 

sources. • The product is NOT supplied with engine oil, although traces of oil from the manufacturing process 

may be present. It is essential to add adequate engine oil of the correct type to the engine before use – see 

Engine Oil

Failure to add engine oil will void the product warranty

. • Do not have the engine running 

during inspection and maintenance unless specifically required. • The engine should be cool enough to touch 

before performing maintenance activities. • Some maintenance activities may be beyond the scope of some 

users. Do NOT attempt procedures that you are not comfortable with, or do not have the necessary tools, 

experience or knowledge for – take the unit to an authorised service centre or qualified technician for 

servicing. 

The following information may assist in identifying a problem and rectifying it. 

Difficulty starting the engine. 

Possible Fault 

Action 

Lack of fuel 

Check that there is sufficien

fuel

 in the tank and the fuel tap (if equipped) is in the "ON" 

position. • To further check if fuel is reaching the carburettor, remove the carburettor drain 

plug and check if fuel drains. 

 

 

Engine "OFF" 

Ensure the engine ON / OFF switch (if equipped) is in the "ON" position. 

 

 

Carbon build-up on spark plug 

Perform a 

spark plug service

 

 

Spark plug faulty 

Remove the spark plug, then reconnect the plug lead to it. Place the fuel tap (if equipped) in 

the "OFF" position and the engine ON/OFF switch (if equipped) in the "ON" position. Touch 

the spark plug electrode to a part of the engine crankcase, away from the spark plug hole, 

and attempt to start the engine – a spark should be visible across the electrodes as the 

engine is rotated. If no spark is visible, replace the spark plug. Not applicable to diesel 

engines. 

 

 

Engine "flooded" with fuel 

Place the choke in the "HOT" or "RUN" position. Leave the engine ON / OFF switch (if 

equipped) in the "OFF" position. Pull the starter cord several times to assist clearing excess 

fuel from engine before attempting to start engine. 

 

 

Not enough or too much engine oil 

Check oil level and ensure that the level is at or just below the recommended maximum 

level. For some engines, an engine oil sensor will automatically switch off the engine or 

prevent starting if a low engine oil level is detected. 

Engine starts but does not idle. 

Possible Fault 

Action 

Blocked air filter 

Perform an 

air filter service

 

 

Idle speed requires adjustment 

Adjust idle speed until engine runs smoothly and at a reasonable speed when idling. 

 

 

 

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Summary of Contents for Raptor 900

Page 1: ...THIS MANUAL FOR FUTURE REFERENCE Products covered by this manual may vary in appearance assembly inclusions specifications description and packaging The engine is NOT supplied with engine oil althoug...

Page 2: ...ive equipment Do not wear loose clothing or jewellery which can be caught in moving parts Keep hair and clothing away from the equipment Stay alert and use common sense when operating the equipment Do...

Page 3: ...d disconnecting the electrical cord Do NOT use equipment that has exposed wiring damaged switches covers or guards Do NOT use electrical equipment in wet conditions or in damp locations Do NOT use ele...

Page 4: ...sh Hazard The product may have blades edges or mechanical devices that can cause severe crush injury to fingers limbs etc Take due care when handling and using the product Single Operator Only The pro...

Page 5: ...ectrical supply before handling the product adjusting maintenence etc Power Line Electrocution Hazard High voltage high current power lines may be present Use extreme caution to avoid contact or inter...

Page 6: ...rfaces only Never leave the machine unattended when it is running Do not allow processed material to build up in the discharge area This may prevent proper discharge and can result in material being e...

Page 7: ...Starting Petrol Engines 11 Stopping the Engine 11 Environmental Considerations 12 Operation 13 Maintenance 14 Maintenance Schedule Petrol Engines Machines 15 Engine Oil 16 Air Filter 18 Inspection an...

Page 8: ...I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M N M I C H I G A N M I C H I G A N M I C H I G...

Page 9: ...A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M...

Page 10: ...M I C H I G A N M I C H I G A N M I C H I G A N G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A A N M I C H I G A N M I C H I G A N...

Page 11: ...G A N G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I...

Page 12: ...H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H...

Page 13: ...I C H I G A N G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M...

Page 14: ...seats Inspection of the following items is required Piston for cracks and stress fractures Bore for wear requiring reconditioning Full machine for broken worn or loose parts Failure to follow the main...

Page 15: ...I G A N M I C H I G A N M I C H I G A N M I C H I G A A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N G A N M I C H...

Page 16: ...vel is reached 5 When finished re install rotate right the oil filler cap until firm Wipe off any residual oil from the machine A B C D D I G A N M H I G A N M I C H I G A N G A N M I C H I G A N M I...

Page 17: ...N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C...

Page 18: ...N M I C H I G A N M I C H I G A N H I G A N M I C H I G A N M I C H I G A N M I C H I G A N G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N I G A N M I C H I G A N M I C H I G A...

Page 19: ...M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N G A N M I C H I G A N M I C H I G A...

Page 20: ...G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A A N M I C H I...

Page 21: ...M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C...

Page 22: ...the engine or prevent starting if a low engine oil level is detected Engine starts but does not idle Possible Fault Action Blocked air filter Perform an air filter service Idle speed requires adjustm...

Page 23: ...G A N A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H...

Page 24: ...N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I...

Page 25: ...I C H I G A A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N M I C H I G A N N M I C H I G A N M I C...

Page 26: ...require more frequent inspections servicing Ensure that all users of the product have completed a suitable industry recognised training course before being allowed access to the product If this produc...

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