Simplicity Broadmotor Series Service & Repair Manual page 18

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