Troubleshooting - Toro Wheel Horse 8-25 Operator's Manual

Troubleshooting

PROBLEM
Starter does not crank
Engine will not start, starts hard, or
fails to keep running. fails to keep running.
Engine does not idle or idles
poorly
poorly
46
POSSIBLE CAUSES
1. Deck engagement lever is in
ENGAGE. ENGAGE.
2. 2. Battery is dead. Battery is dead.
3. Electrical connections are
corroded or loose corroded or loose.
4. Transaxle is in gear.
5. Relay or switch is defective.
1. Fuel tank is empty.
2 2. Choke is not ON Choke is not ON.
3. Air cleaner is dirty. y
4. Spark plug wire is loose or
disconnected. disconnected.
5. Spark plug is loose.
6 6. Spark plug is pitted, fouled, or Spark plug is pitted fouled or
defective.
7 7. Spark plug gap is incorrect. Spark plug gap is incorrect
8 8. Di Dirt, water, or stale fuel is in l f
fuel system.
9. Battery is dead.
10. Vent hole in fuel tank cap is 10. Vent hole in fuel tank cap is
plugged.
11 11. Carburetor is adjusted Carburetor is adjusted
incorrectly.
12. Module or switch is defective. 12 Module or switch is defective
13. Electrical connections are 13 El t i l ti
loose.
1. Air cleaner is dirty.
2. 2 Idle speed is too low. Idl d i t l
3. 3. Dirt, water, or stale fuel is in Dirt, water, or stale fuel is in
the fuel system.
4. 4 S Spark plug is pitted, fouled or k l i itt d f
defective in some other way.
CORRECTIVE ACTION
1. MOVE DECK
ENGAGEMENT LEVER ENGAGEMENT LEVER
INTO DISENGAGE.
2. 2. Charge the battery. Charge the battery.
3. Chcek electrical connections
for good contact. for good contact
4. Position shift lever in neutral.
5. Contact Authorized Service
Dealer.
1. Fill fuel tank with gasoline.
2. 2 Move choke lever to ON. Move choke lever to ON
3. Clean or replace air cleaner
element element.
4. 4. Install wire on spark plug. Install wire on spark plug.
5. Install new, correctly gapped
spark plug. spark plug.
6. Set gap to 0.030" (.76 mm).
7 7. Contact Authorized Service Contact Authorized Service
Dealer.
l i i 8 8. Ch Charge the battery.
9. 9. Clean or replace the fuel cap. Clean or replace the fuel cap.
10. Adjust the carburetor. 10. Adjust the carburetor.
11 11. Contact Authorized Service Contact Authorized Service
Dealer.
12. Tighten plug to 15 ft–lb (20.4 12 Tighten plug to 15 ft lb (20 4
N–m).
13 13. Check electrical system to Ch k l
ensure good contact.
1. Clean air cleaner element.
2. 2 Adjust the carburetor. Adj t th
3. 3. Contact Authorized Service Contact Authorized Service
Dealer
l d 4. 4 I Install new, correctly gapped t ll
spark plug.
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