GENERAL
WG972-E4, WSM
G-15
• Stop the engine before checking or replacing the fuel pipes. Broken fuel pipes can cause fires.
• Make sure to check the fuel line periodically. The fuel line is subject to wear and aging, fuel may leak out
onto the operating engine, causing a fire.
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Checking Fuel Pipes and Clamps (Gasoline Line) [WG972-GL,
WG972-G]
1. Check whether the clamps are loose. If the clamps are loose,
apply oil to the screw of the clamp, and tighten the clamp
securely.
2. Check whether the fuel pipes are worn out or damaged. If any
worn or damaged are found, replace them and clamps at once.
• When the fuel pipes are not installed, plug them at both
ends with clean cloth or paper to prevent dirt from entering.
Dirt in the pipes can cause fuel injector malfunction.
• Replace the fuel hose together with the clamp every year.
However, since fuel pipes are made of rubber, if the fuel
hose and clamp are found to be damaged or deteriorate
before one year passes, replace or repair them at once.
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Checking Fuel Leakage of Fuel Pipes and Clamps (Gas Line)
[WG972-GL, WG972-L, WG972-N]
• Never test for gas leaks with a FLAME.
1. To check all connections for leaks between the fuel tank and
gas mixer, use a soap solution or equivalent.
2. Turn on the gas at low idling rpm. Bubbles will indicate a loose
connection.
3. If any leakages are found, correct leakage or replace the hose.
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Checking Battery Electrolyte Level
1. Check the battery electrolyte level.
2. If the level is below than lower level line, add the distilled water
to pour level of each cell.
• Never remove the vent plugs while the engine is operating.
• Keep electrolyte away from eyes, hands and clothes.
If you are spattered with it, wash it away completely with
water immediately and get medical attention.
• Wear eye protection and rubber gloves when working
around battery.
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(1) Gasoline Fuel Filter
(2) Fuel Hose
(3) Clamp
(1)Maximum (2)Minimum
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