Troubleshooting - Toro ProLine 30526 Operator's Manual

Mid–size mower proline hydro 15 hp with 48" side discharge mower
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Troubleshooting

PROBLEM
Engine will not start, starts hard, or
g
fails to keep running.
f il
k
i
Engine loses power.
g
Engine overheats.
g
Machine does not drive.
POSSIBLE CAUSES
1.
Fuel tank is empty.
2.
PTO is on (Pulled up).
3.
Speed control lever is in gear.
4.
Choke is not ON.
5.
Air cleaner is dirty.
6.
Spark plug wire is loose or
disconnected.
7.
Spark plug is pitted, fouled, or
gap is incorrect.
8.
Dirt in fuel filter.
9.
Dirt, water, or stale fuel is in
fuel system.
1.
Engine load is excessive.
2.
Air cleaner is dirty.
3.
Oil level in crankcase is low.
4.
Cooling fins and air passages
under engine blower housing
are plugged.
5.
Spark plug is pitted, fouled, or
gap is incorrect.
6.
Vent hole in fuel cap is
plugged.
7.
Dirt in fuel filter.
8.
Dirt, water, or stale fuel is in
fuel system.
1.
Engine load is excessive.
2.
Oil level in crankcase is low.
3.
Cooling fins and air passages
under engine blower housing
are plugged.
1.
Neutral lock is in neutral
position.
2.
Hydrostatic fluid level low.
3.
Traction belt is worn, loose or
broken.
4.
Traction belt is off pulley.
5.
Cold start kit engaged.
46
CORRECTIVE ACTION
1.
Fill fuel tank with gasoline.
2.
Turn PTO off (Push in).
3.
Move speed control lever to
neutral.
4.
Move choke lever to ON.
5.
Clean or replace air cleaner
element.
6.
Install wire on spark plug.
7.
Install new, correctly gapped
spark plug.
8.
Replace fuel filter.
9.
Contact Authorized Service
Dealer.
1.
Reduce ground speed.
2.
Clean air cleaner element.
3.
Add oil to crankcase.
4.
Remove obstruction from
cooling fins and air passages.
5.
Install new, correctly gapped
spark plug.
6.
Clean or replace the fuel cap.
7.
Replace fuel filter.
8.
Contact Authorized Service
Dealer.
1.
Reduce ground speed.
2.
Add oil to crankcase.
3.
Remove obstruction from
cooling fins and air passages.
1.
Move neutral lock to forward
position.
2.
Fill hydrostatic fluid tank.
3.
Change Belt.
4.
Install Belt.
5.
Disengage cold start kit.

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