2 Troubleshooting
Tractor Troubleshooting
2- 2
TROUBLESHOOTING
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.
Troubleshooting the Tractor
PROBLEM CAUSE REMEDY
Engine will not turnover or start. 1. Brake pedal not depressed. Fully depress brake pedal.
2. PTO (electric clutch) switch Place in OFF position.
in ON position.
3. Out of fuel. If engine is hot, allow it to cool, then refill
the fuel tank.
4. Engine flooded. Push choke knob in (twin cylinder models)
or move throttle control out of CHOKE
position (single cylinder models).
5. Circuit breaker tripped. Wait one minute for automatic reset.
Replace if defective.
6. Battery terminals require See Battery Maintenance Section.
cleaning.
7. Battery discharged or dead. Recharge or replace.
8. Wiring loose or broken. Visually check wiring & replace broken or
frayed wires. Tighten loose connections.
9. Solenoid or starter motor faulty. See Electrical Troubleshooting Section.
10. Safety interlock switch or See Electrical Troubleshooting Section.
module faulty.
11. Spark plug(s) faulty, fouled Clean and gap or replace.
or incorrectly gapped. See engine manual.
12. Water in fuel. Drain fuel & refill with fresh fuel.
13. Gas is old or stale. Drain fuel & replace with fresh fuel.
Engine starts hard or runs poorly. 1. Fuel mixture too rich. Clean air filter. Check choke adjustment
(engine speed control).
2. Spark plug(s) faulty, fouled, or Clean and gap or replace.
incorrectly gapped. See engine manual.
Engine knocks. 1. Low oil level. Check/add oil as required.
2. Using wrong grade oil. See engine manual.
Excessive oil consumption. 1. Engine running too hot. Clean engine fins, blower screen and
air cleaner.
2. Using wrong weight oil. See engine manual.
3. Too much oil in crankcase. Drain excess oil.
Engine exhaust is black. 1. Dirty air filter. Replace air filter. See engine manual.
2. Choke closed. Open choke.
Engine runs, but tractor will 1. Ground speed control pedals Depress pedals.
not drive. not depressed.
2. Transmission release lever Move into drive position.
in “push” position.
3. Drive belt is broken. See Drive Belt Replacement.
4. Drive belt slips. See cause and remedy below.
5. Brake is not fully released. See Brake Adjustment.
WARNING
To avoid serious injury, perform maintenance on
the tractor or mower only when the engine is
stopped and the parking brake engaged.
Always remove the ignition key, disconnect the
spark plug wire and fasten it away from the plug
before beginning the maintenance, to prevent
accidental starting of the engine.
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