Kohler GEN 5.0 - Fuel System Maintenance; Checking and Filling Fuel Level; Fuel Line and Filter Care; Sediment Bowl Cleaning

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5. Check sediment bowl cover and gasket.
Replace them if they are damaged.
6. Reinstall sediment bowl.
7. Open tank fuel valve (R).
8. Wipe off any trace of fuel with a clean cloth
and check for any leakage.
Spark Plugs
CAUTION
Electrical Shock can cause injury.
Do not touch wires while
generator is running.
Never operate generator in rain or snow.
Never touch generator with wet hands or
electrical shock may occur.
Clean out spark plug recess. Remove spark
plug (K) and replace.
1. Check gap using wire feeler gauge. Adjust
gap, see specifi cation table for adjustment.
2. Install spark plug (K) into cylinder head.
3. Torque spark plug (K) to 20 ft. lb. (27 N·m).
Air Cleaner
NOTE: Operating engine with loose or
damaged air cleaner components
could cause premature wear and
failure. Replace all bent or damaged
components.
1. Remove screw (N) and air cleaner cover (O).
2. Remove foam element (P) from air cleaner
base (Q).
3. Wash foam element (P) in warm water with
detergent. Rinse and allow to air dry.
4. Lightly oil foam element (P) with new engine
oil; squeeze out excess oil.
5. Reinstall foam element (P) into air cleaner
base (Q).
6. Reinstall air cleaner cover (O) and secure
with screw (N).
Breather Tube
Ensure both ends of breather tube are properly
connected.
Fuel Level
WARNING
Explosive Fuel can cause fi res
and severe burns.
Do not fi ll fuel tank while
generator is hot or running.
Gasoline is extremely fl ammable and
its vapors can explode if ignited. Store
gasoline only in approved containers, in
well ventilated, unoccupied buildings, away
from sparks or fl ames. Spilled fuel could
ignite if it comes in contact with hot parts or
sparks from ignition. Never use gasoline as a
cleaning agent.
Visually check level of fuel. If necessary, fi ll up.
1. Unscrew fuel tank cap (F).
2. Fill tank until fuel gauge shows F, using
funnel and taking care not to spill any fuel.
3. Screw down fuel tank cap (F) tightly.
Fuel Line
Low permeation fuel line must be installed on
carbureted Kohler Co. engines to maintain EPA
and CARB regulatory compliance.
Fuel Filter
1. Open fuel tank cap (F).
2. Remove fuel fi lter (S) from tank neck.
3. Clean fuel fi lter (S) with a non-fl ammable
solvent or solvent with a high fl ash point. Dry
it fully. Replace as necessary.
4. Reinstall fuel fi lter (S).
5. Reinstall fuel tank cap (F).
Sediment Bowl
1. Close fuel valve (R) and remove cover
screws and nuts.
2. Remove cover.
3. Remove sediment bowl.
4. Clean sediment bowl with a non-fl ammable
solvent or solvent with a high fl ash point. Dry
it fully.