Engine Problems - Yard-Man 13B-325-401 Operator's Manual

Engine Problems
Trouble Possible Cause Remedial Action
Engine will not crank 1. Safety switch button not depressed 1.
Engine cranks but will
not start
2, Battery installed incorrectly
3, Battery dead or weak.
i4.= Blown fuse or circuit breaker
5. Engine ground wire Ioose.
1. Throttle/choke not in starting position.
2. No fuel to the carburetor
3. Fuel line or inqine fuel filter plugged
4. No spark to spark plug
5. Faulty spark plug
6. Dirty air cleaner
There are two switches in the starting
circuit of your unit. Make sure that the
actuator is fully depressing both switch
buttons. Brake pedal must be depressed
and blade engagement pedal disengaged.
2. Install the battery with negative terminal
attached to the black ground wire. Attach
the positive terminal to the red wire which
goes to the solenoid. Charge the battery
fulIy before installation.
3. Check fluid level in battery. If fluid Ievel is
low, fill to just below split rings with water.
Charge with 6 AMP charger until fully
charged, If this does net work, replace
battery.
4. Replace fuse following instructions on page
19.
5. Make sure the black ground wire runs from
engine to frame or mounting bolt.
1. Check owneCs guide for correct position for i
throttle control/choke for starting. =l
2. Gasoline tank empty. Fill with gasoline.
3. Remove and cIean fueI line, Replace filter if
necessary.
4. Spark pIug lead disconnected. Connect
lead. Hold spark plug lead away from
engine block about 1/8". Crank engine.
There should be a spark. If not, have
engine repaired at authorized engine
service dealer.
5. To test, remove spark plug, Attach spark
plug lead to spark plug. Ground the spark
plug body against the engine block. Crank
the engine. The spark plug should fire at the
electrode. Replace if it does not.
6. _fthe air cleaner is dirty, the engine may not i
start. Clean or replace as recommended by!
the engine manufacturer.
Engine smokes 1. Engine oil has been overfilled 1. Check oiIlevel,
2. Dipstick not seated or broken 2. Replace defective par[.
3. Engine loses crankcase vacuum 3. Enginebreatherdefective, Replace.
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