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Troubleshooting Chart
While normal care and regular maintenance will extend
the life of your equipment, prolonged or constant use may
eventually require that service be performed to allow it to
continue operating properly.
The troubleshooting guide below lists the most common
problems, their causes and remedies.
See the information on the following pages for instructions
on how to perform most of these minor adjustments
and service repairs yourself. If you prefer, all of these
procedures can be performed for you by your local
authorized dealer.
Troubleshooting the Mower
Problem Cause Remedy
Engine will not turnover or start. 1. Parking brake not engaged. 1. Engage parking brake.
2. PTO (electric clutch) switch 2. Place in OFF position.
in ON position.
3. Out of fuel. 3. If engine is hot, allow it to cool, then refill
the fuel tank.
4. Engine flooded. 4. Move choke control to closed position.
5. Fuse blown. 5. Replace fuse.
6. Wiring loose or broken. 6. Visually check wiring & replace broken or
frayed wires. Tighten loose connections.
7. Safety interlock switch 7. Replace as needed. See authorized
faulty. service dealer.
8. Spark plug(s) faulty, fouled 8. Clean and gap or replace.
or incorrectly gapped. See engine manual.
9. Water in fuel. 9. Drain fuel & replace with fresh fuel.
10. Gas is old or stale. 10. Drain fuel & replace with fresh fuel.
Engine starts hard or runs poorly. 1. Fuel mixture too rich. 1. Clean air filter. Check choke adjustment.
2. Spark plug faulty, fouled, or 2. Clean and gap or replace.
incorrectly gapped. (See engine manual.)
Engine knocks. 1. Low oil level. 1. Check/add oil as required.
2. Using wrong grade oil. 2. See engine manual.
Excessive oil consumption. 1. Engine running too hot. 1. Clean engine fins, blower screen and
air cleaner.
2. Using wrong weight oil. 2. See engine manual.
3. Too much oil in crankcase. 3. Drain excess oil.
Engine exhaust is black. 1. Dirty air filter. 1. Replace air filter. See engine manual.
2. Engine choke control 2. Open choke control.
is in closed position.
Troubleshooting
WARNING
Remove the ignition key prior to
performing maintenance on the unit.
• To avoid serious injury, perform maintenance on the
tractor or mower only when the engine is stopped and
the parking brake is engaged.
• Always remove the ignition key, disconnect the spark
plug wire and fasten it away from the plug before
beginning the maintenace, to prevent accidental starting
of the engine.
Troubleshooting
Not for
Reproduction