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
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 sufficient
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 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
Idle speed requires adjustment
Adjust idle speed until engine runs smoothly and at a reasonable speed when idling.
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