Murray MT100 Manual Del Operador página 19

9. Troubleshooting
WARNING: Before performing any type of maintenance, disengage all controls and stop the engine. Wait until all
moving parts have come to a complete stop. Disconnect spark plug wire and ground it against the engine to prevent
unintended starting. Always wear safety glasses during operation or while performing any adjustments or repairs.
NOTICE: If you can't solve the problem, take the tractor to an authorized service center for assistance.
Troubleshooting the Tractor
PROBLEM LOOK FOR
The engine will not start. The brake pedal is not pushed down.
The fuel tank is empty.
The PTO lever is in ON position.
The engine is flooded.
The battery terminals are dirty.
The battery is discharged or dead.
Loose or broken wiring.
The engine starts hard or runs The fuel mixture is too rich.
poorly.
The engine knocks. Low oil level.
Incorrect grade of oil.
Excessive oil consumption. The engine is too hot.
Incorrect grade of oil.
Too much oil in crankcase.
The engine exhaust is black. The air filter is dirty.
The choke is closed.
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REMEDY
Fully push down on the brake pedal.
If engine is hot, let it cool, and then fill the
fuel tank again.
Move the PTO lever to the OFF position.
Disengage the choke.
Refer to Replacing the Battery and Cleaning
the Battery and Battery Cables section.
Charge or replace the battery.
Visually check wiring. If wires are frayed or
broken, see an authorized service center.
Clean the air filter.
Check and add oil as required.
Refer to the Changing Engine Oil
section.
Check the engine fins, blower screen,
and air filter.
Refer to the Changing Engine Oil
section.
Drain excess oil.
Refer to the Changing the Air Filter section.
Open the choke.
MT100 LAWN TRACTOR
The engine runs, but the rider The transmission is in neutral.
will not drive.
The parking brake is engaged.
The rider steers hard or handles Incorrect tire inflation.
poorly.
The mower cut is uneven. The tires are not correctly inflated.
The mower cut looks rough. The engine speed is too slow.
The ground speed is too fast.
The engine stalls easily with the The engine speed is too slow.
mower engaged.
The ground speed is too fast.
Dirty or clogged air filter.
Height-of-Cut is set too low.
The engine is not at the operating
temperature.
The engine starts, and the rider The Power-Take Off (PTO) is disengaged.
drives, but the mower will not
cut.
NOTICE: For all other problems, contact an authorized service center.
MT100 LAWN TRACTOR
Depress the brake and move the shifter
lever into a forward gear.
Disengage the parking brake.
Refer to the Checking the Tire Pressure
section.
Refer to the Checking the Tire Pressure
section.
Set to FAST throttle.
Slow down.
Set to FAST throttle.
Slow down.
Refer to the Changing the Air Filter section.
Cut tall grass at maximum Height-of-Cut
during first pass.
START the engine, and let it warm for
several minutes.
Engage the PTO.
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