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Troubleshooting
Troubleshooting
Important: It is essential that all operator safety mechanisms be connected and in proper operating
condition prior to mower use.
When a problem occurs, do not overlook the simple causes. For example: starting problems could be caused
by an empty fuel tank.
The following table lists some of the common causes of trouble. Do Not attempt to service or replace major
items or any items that call for special timing of adjustments procedures (such as valves, governor, etc.). Have
this work done by your Engine Service Dealer.
Note: When disconnecting electrical connectors Do Not pull on the wires to separate the connectors.
Problem Possible Cause Corrective Action
1. Fuel tank is empty. 1. Fill the fuel tank.
2. Fuel shutoff valve is closed.
2. Open the fuel shutoff valve.
3. The throttle and choke are not in the
correct position.
3. Be sure the throttle control is midway
between the “SLOW” and “FAST”
positions, and the choke is in the “ON”
position for a cold engine or the “OFF”
position for a warm engine.
4. Dirt in fuel lter. 4. Replace the fuel lter.
5. Dirt, water, or stale fuel is in the fuel
system.
5. Contact an Authorized Service Dealer.
6. Air cleaner is dirty.
6. Clean or replace the air cleaner element.
7. Electrical connections are corroded, loose
or faulty.
7. Check the electrical connections for
good contact. Clean connector terminals
thoroughly with electrical contact cleaner,
apply dielectric grease and reconnect.
8. Relay or switch is defective. 8. Contact an Authorized Service Dealer.
9. Faulty spark plug.
9. Clean, adjust or replace spark plug.
10. Spark plug wire is not connected.
10. Check the spark plug wire connection.
11. PTO is engaged.
11. Disengage the PTO.
12. Transmission is not in true neutral
position.
12. Ensure the shifter lever is in the neutral
position.
Engine will not start, starts hard, or fails to
keep running.
13. OPC levers are released.
13. Depress OPC levers.
1. Engine load is excessive 1. Reduce the ground speed.
2. Air cleaner is dirty.
2. Clean or replace the air cleaner element.
3. Oil level in the crankcase is low.
3. Add oil to the crankcase.
4. Cooling ns and air passages for the
engine are plugged.
4. Remove theobstructions from thecooling
ns and air passages.
5. Vent hole in the fuel cap is plugged.
5. Clean or replace the fuel cap.
6. Dirt in fuel lter. 6. Replace the fuel lter.
Engine loses power
7. Dirt, water, or stale fuel is in the fuel
system.
7. Contact an Authorized Service Dealer.
1. Engine load is excessive 1. Reduce the ground speed.
2. Oil level in the crankcase is low.
2. Add oil to the crankcase.
Engine overheats
3. Cooling ns and air passages for the
engine are plugged.
3. Remove theobstructions from thecooling
ns and air passages.
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