When Engine Won't Work Properly - Oreck SF600 Owner's Manual

When engine won't work properly

If the engine malfunctions, perform diagnosis by referring to the following table and then taking the appropriate act
Effect
Engine stop switch is not in the [ON] position.
Choke lever has not been turned to [ CLOSE ].
Fuel is not flowing properly.
trouble
starting the engine
There is air or water mixed in the fuel
(Engine won't start)
delivery system.
In cold weather, oil becomes thick, and the engine
rotation is sluggish
Ignition coil or unit is defective
Defective spark plug.
Fuel shortage.
Clogged air filter.
Output shortage
Poor quality fuel.
Choke has not been fully opened.
Cooling system is clogged.
Fuel shortage.
The engine stalls
suddenly.
Fuel valve is closed.
Poor quality fuel.
Exhaust is
abnormally black
Overfilled with engine oil.
Muffler emits black
Air filter element is clogged.
smoke and power
Choke has not been fully opened
output falls.
Overfilled with engine oil.
Muffler emits gray
smoke.
Cylinder or piston ring is worn out
Engine revolution is
Choke has not been fully opened
not stable (does
Poor quality fuel
not increase).
Defective ignition coil.
Momentary stall.
Fuel filter is clogged.
Exhaust has an
Poor quality fuel
unusual smell
If you do not understand any of these points, please consult with the retailer where you purchased
this machine
Cause Treatment
Put the safety switch to the [ ON ]
When cooling the engine, put the choke bar [CLOSE ]
position
Inspect fuel tank, remove impure deposits
or water. Remove the fuel valve strainer and clean
out any sediment deposited inside the cap
together with any other attached dirt.
Remove foreign objects, inspect fastening bands,
replace damaged parts with new ones.
Use the correct oil depending on the outside
temperature.
Replace the ignition coil or unit.
Inspect the gap between spark plug electrodes and
adjust
Replace with a new spark plug
Refuel the machine.
Clean the element.
Replace with good quality fuel.
Return the choke bar to [ OPEN ] completely
Clean around the recoil starter
Refuel the machine.
Open the fuel valve.
Replace with good quality fuel.
Adjust to correct fuel level
Clean the elements
Return the choke bar to [ OPEN ] completely
Adjust to correct fuel level
Replace the ring.
Return the choke bar to [ OPEN ] completely
Replace with good quality fuel.
Replace the ignition coil.
Clean the fuel filter.
Replace with good quality fuel.