682 MTD lawn tractor

User Manual - Page 28

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SECTION11:TROUBLESHOOTINGGUIDE
Trouble Corrective Action
Engine will net
crank
Engine cranks
but will not start
Possible Cause(s)
Safety switch button
not depressed.
Battery installed
incorrectly.
Battery is dead or
_teak.
Blown fuse or circuit
breaker.
Engine ground wire
loose.
Throttle / Choke not
_ncorrect position.
No fuel to the carbu_
_etor.
There are two switches in the starting circuit of your unit: the dutch pedal switch and
[he deck engagement/lift lever switch. Make certain the actuator is fully depressing
[he buttons on each switch.
The battery must be installed with negative terminal attached to black ground wire.
Negative terminal is identified at the post by "NEG", "N_or "*". The positive terminal,
identified by ?OS _,"P_or "รท_, must be attached to the big red wire which goes to the
solenoid. All batteries are to be fully charged before installing.
Charge with 6 AMP charger until fully charged.
Refer to schematic for fuse location and replace fuse if blown. {ffuse blows repeat-
edly, see an authorized service dealer to have the tractor's wire harness serviced.
Engine should have a black ground wire running from engine to frame or mounting
bolt.
Refer to StartingtheEnginein this manual for correct position of the throttle control and
choke control.
Gasoline tank empty. Fill with clean, fresh gasoline.
Fuel line or imline fuel filter plugged. Remove and clean fuel line. Replace filter if
necessary.
Spark plug lead disconnected. Connect lead.
Faulty spark plug. Replace spark plug.
Refer to the engine manual packed with your unit. If the air cleaner is dirty, replace it
Check oil level. Drain as necessary.
No spark to spark
plug.
Dirty air cleaner.
Engine smokes Engine oil has been
3verfilled.
Engine loses crank_ Dipstick not seated or broken. Replace dipstick.
_se vacuum. Engine breather defective. Replace.
Excessive Bent or Stop engine immediately Check all pulleys, blade adapters, keys and bolts for
vibration damaged blade, lightness and spindle damage. Tighten or replace any damaged parts.
Bent blade. Stop engine immediately. Replace damaged blade. Only use original equipment
blades.
Mower will not Engine speed low. Always operate the cutting deck with throttle control set in the FAST (rabbit) position.
discharge grass Speed selection. Slow your ground speed. The slower your ground speed, the better the quality of cut.
or leavas uncut Cutting height set too Raise deck.
strips low.
Blades short or dull. Sharpen or replace blades (uncut strip problem only).
NOTE: For repairs beyond the minor adjustments above, contact your local authorized service dealer.
28
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