OREC SNOW RHINO Owner's Manual page 27

5.2.2 How to inspect and adjust the spark plug
When attaching a spark plug onto the engine, screw by hand at first before tightening with a plug wrench. If you
start by using a plug wrench to screw in the spark plug, there is a risk of cross -threading it.
5.2.3 Inspection on fuel hose
Fuel hose
Note:
Be sure not to allow dust into the hoses when replacing them.
5.2.4 How to clean sediment cup
WARNING
・ Never use gasoline or thinner as it is highly flammable .
Remove the spark plug with a plug wrench and clean away any
carbon deposits on the electrode with a wire brush and wipe
away any moisture if present.
Replace the spark plug with a new one if the ceramic part has
cracked or the electrode shows extensive wear and tear.
Please adjust the spark plug electrode clearance to 0.028-
0.031in (0.7-0.8mm).
Spark plug
BOR6ES (NGK), W20EPR-U (DENSO)
DANGER
・ Never smoke or keep an open flame
1. Rubber products such as the fuel hose will age even if the
machine is not being used. Replace it as well as the hose
clamps every 3 years.
2.Take notice if the clamps or fuel hose get loose or damaged.
・ Clean inside the sediment cup after every 50 hours of operation.
・ Be sure you are working in a clean area to prevent dust from entering the
machine and causing damage.
1. Move the fuel valve to the OFF position and
then remove the fuel sediment cup and O-ring.
2. Wash the sediment cup in non-flammable solvent, and dry it thoroughly.
3. Place the O-ring in the fuel valve, and install the sediment cup. Tighten
the sediment cup securely.
4. Move the fuel valve to the ON position, and check for leaks. Replace the
O-ring if there is any leakage.
--27--