Fuel System General Information
Tractors, 200 Series SM-2105 (Oct-76)
30 5-3
DIAGNOSING MALFUNCTIONS Hard Engine Starting
Engine flooded.
Air leakage past damaged carburetor-to-engine gasket.
Gas tank vent restricted,
Air leakage past worn throttle plate shaft or bearing surfaces.
High-speed and idle mixture needles not properly adjusted.
Float setting incorrect.
Fuel inlet needle sticking to seat. Choke not operating properly.
Fuel shut-off valve closed.
Air filter element restricted. Dirt, water, or ice in fuel system. Poor Acceleration
Water, rust or stale fuel in gas tank.
High-speed and idle mixture needles not properly adjusted.
~arburetdrgummed.
Air filter element restricted.
Air lock in fuel line.
Throttle cable not adjusted properiy.
Air filter element restricted.
Sticky fuel inlet needle.
Faulty fuel pump,
Dirty or damaged high-speed mixture needle.
Engine Stalling High-speed and idle mixture needles not properly adjusted
Dirt, water, or ice in fuel system.
Governor not adjusted properly. Dirt or paint an throttle return spring.
Engine Surging
Gas tank vent restricted.
High-speed and idle mixture needles not properly adjusted.
Fuel line restricted.
Dirt or paint on throttle return spring.
Fuel strainer plugged.
Fuel strainer plugged.
Air lock in fuel line.
Faulty fuel pump.
Air filter element restricted.
Governor linkage not adjusted properly.
Faulty fuel pump.
Too low on fuel.
Rough Idle High-speed and idle mixture needles not properly adjusted.
Lifho in U.S.A.