Simplicity 1691682 Service & Repair Manual page 18

2 Troubleshooting
Tractor Troubleshooting
TROUBLESHOOTING
The troubleshooting guide below lists some common
problems, their causes, and remedies.
See the repair information in the following sections for
instructions on how to perform most of these minor
repairs yourself. If you prefer, all of these procedures
can be performed for you by your local authorized deal-
er.
TROUBLESHOOTING THE TRACTOR
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.
1. Ground speed control lever
not in neutral-start position.
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.
14. Foot pedal not depressed.
1. Fuel mixture too rich.
2. Carburetor adjusted incorrectly.
3. 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. Engine speed control
is in choke position.
1. Ground speed control lever
in neutral.
2. Transmission release lever
in "push" position.
(Hydro models only)
3. Belt is broken.
4. Drive belt slips.
5. Brake is not fully released.
2- 2
WARNING
Never attempt to perform repairs while the engine
is running.
Always turn the engine off and remove the key.
FAILURE TO COMPLY WITH THIS, AND OTHER,
SAFETY REQUIREMENTS CAN RESULT IN SERI-
OUS PERSONAL INJURY.
Shift into neutral.
Place in OFF position.
If engine is hot, allow it to cool, then refill
the fuel tank.
Push choke knob in or move the throttle
control out of CHOKE position.
Wait one minute for automatic reset.
Replace if defective.
See Electrical Troubleshooting Section.
Recharge or replace.
Visually check wiring & replace broken or
frayed wires. Tighten loose connections.
Repair or replace. See Electrical
Troubleshooting Section.
Replace as needed. See Electrical
Troubleshooting Section.
Clean and gap or replace.
See engine manual.
Drain fuel & refill with fresh fuel.
Drain fuel & replace with fresh fuel.
Depress pedal.
Clean air filter. Check choke adjustment
(engine speed control).
See engine manual.
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 excessive oil.
Replace air filter. See engine manual.
Change engine speed.
Shift in forward or reverse.
Move into drive position.
See Drive Belt Replacement.
See problem and cause below.
See Brake Adjustment.