Trouble Shooting - Cub Cadet 3186 Operator's Manual

SECTION 11: TROUBLE SHOOTING
Possible Cause
No fuel in fuel tank or carburetor
Fuel ine or carburetor clogged
Fuel filter plugged
Water in fuel
Choked improperly. Flooded engine
Defective ignition or loose wiring
Defective battery
Spark plug dirty or improperly gapped
Engine Operates Irregularly or Knocks
Engine incorrectly timed
Spark plug dirty; wrong gap or wrong type
Poor or weak spark
Carburetor setting incorrect
Poor grade fuel or water in fuel
Engine overheating
Engine valves at fault
Engine smokes
Oil level rises due to fuel in the crankcase
Air filter becomes oil and fuel soaked
Engine leaks oil
Misfiring
Other engine problems
Excessive oil in air cleaner
PTO Clutch Will Not Engage
Reverse pedal is partially depressed
Vacuum actuator not energized
Vacuum leak
Air cleaner clogged
Engine overload
Engine overheated
Possible Remedy
Hard To Start
Fill the tank with fuel. Check the fuel line,
carburetor and fuel filter.
Clean the fuel line and carburetor with a
commercial carburetor cleaner.
Replace
Drain the fuel tank and carburetor. Use new
fuel and dry the sparks plugs.
Follow the starting instructions.
Check the wiring, spark plugs or fuse.
Check and service. Refer to "BATTERY."
Clean, adjust the gap to .040-inch or replace
the plug.
See your authorized dealer.
Clean, reset the gap or replace
Check the spark plugs and wiring.
Adjust. Refer to "ADJUSTMENTS."
Drain and use a good grade of clean fuel.
Refer to "MAINTENANCE."
See your authorized dealer.
See your authorized dealer.
See your authorized dealer.
See your authorized dealer.
See your authorized dealer.
See your authorized dealer.
See your authorized dealer.
Be sure that oil dipstick is fully seated, oil fill
cap is tight, and all excess oil is squeezed out
of the pre-cleaner.
Depress brake pedal.
Check PTO switch and connections, check
for worn or broken wiring.
Check vacuum lines.
Lack of Power
Service the air cleaner element. Refer to
"MAINTENANCE."
Reduce the load.
Make sure the air intake screen, shrouding,
engine fins, side panels, dash intake screen
and grille are free of accumulated dirt and
debris. Refer to "MAINTENANCE."
31