Troubleshooting
Problem
Possible Cause
Corrective Action
1. Blade control switch (PTO) is engaged.
1. Move blade control switch (PTO) to
disengaged.
2. Parking brake is not on.
2. Set the parking brake.
3. Drive levers are not in neutral lock
position.
3. Ensure the drive levers are in the
neutral lock position.
4. Operator is not seated.
4. Sit on the seat.
5. Battery is dead.
5. Charge the battery.
6. Electrical connections are corroded or
loose.
6. Check the electrical connections for
good contact.
7. Fuse is blown.
7. Replace fuse.
Starter does not crank
8. Relay or switch is defective.
8. Contact an Authorized Service Dealer.
1. Fuel tank is empty.
1. Fill the fuel tank.
2. Fuel shutoff valve is closed.
2. Open the fuel shutoff valve.
3. Oil level in the crankcase is low.
3. Add oil to the crankcase.
4. The throttle and choke are not in the
correct position.
4. 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.
5. Dirt in fuel filter.
5. Replace the fuel filter.
6. Dirt, water, or stale fuel is in the fuel
system.
6. Contact an Authorized Service Dealer.
7. Air cleaner is dirty.
7. Clean or replace the air cleaner
element.
8. Seat switch is not functioning properly.
8. Check the seat switch indicator.
Replace seat if needed.
9. Electrical connections are corroded,
loose or faulty.
9. Check the electrical connections
for good contact. Clean connector
terminals thoroughly with electrical
contact cleaner, apply dielectric grease
and reconnect.
10. Relay or switch is defective.
10. Contact an Authorized Service Dealer.
11. Faulty spark plug.
11. Clean, adjust or replace spark plug.
Engine will not start, starts hard, or fails
to keep running
12. Spark plug wire is not connected.
12. Check the spark plug wire connection.
1. Engine load is excessive.
1. Reduce the ground speed.
2. Air cleaner is dirty.
2. Clean the air cleaner element.
3. Oil level in the crankcase is low.
3. Add oil to the crankcase.
4. Cooling fins and air passages above
the engine are plugged.
4. Remove the obstruction from the
cooling fins and air passages.
5. Vent hole in the fuel cap is plugged.
5. Clean or replace the fuel cap.
6. Dirt in the fuel filter.
6. Replace the fuel filter.
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 fins and air passages above
the engine are plugged.
3. Remove the obstruction from the
cooling fins and air passages.
1. Tracking needs adjustment
1. Adjust the tracking.
Mower pulls left or right (with levers fully
forward)
2. Tire pressure in drive tires not correct.
2. Adjust tire pressure in the drive tires.
64
Summary of Contents for 74901 Z Master 5000
Page 66: ...Schematics Wire Diagram Rev A 66 ...
Page 67: ...Notes 67 ...
