Troubleshooting

Problem

 

Possible Cause

 

Corrective Action

 

 

 

 

 

The engine overheats.

1.

The engine load is excessive.

1.

Reduce ground speed.

 

2.

The oil level in the crankcase is low.

2.

Add oil to the crankcase.

 

3.

The cooling fins and air passages

3.

Remove the obstruction from the

 

 

under the engine blower housing are

 

cooling fins and air passages.

 

 

plugged.

 

 

 

4.

The air cleaner is dirty.

4.

Clean or replace the air cleaner

 

 

 

 

element.

 

5.

Dirt, water, or stale fuel is in fuel

5.

Contact an Authorized Service Dealer

 

 

system.

 

 

 

 

 

 

 

The starter does not crank

1.

The blade control switch is engaged.

1.

Move the blade control switch to

 

 

 

 

Disengaged.

 

2.

The motion control levers are not in the

2.

Move the motion control levers outward

 

 

park position.

 

to the park position.

 

3.

The operator is not seated.

3.

Sit on the seat.

 

4.

The battery is dead.

4.

Charge the battery.

 

5.

The electrical connections are corroded

5.

Check the electrical connections for

 

 

or loose.

 

good contact.

 

6.

A fuse is blown.

6.

Replace the fuse.

 

7.

A relay or switch is damaged.

7.

Contact an Authorized Service Dealer.

 

 

 

 

 

The engine will not start, starts hard, or

1.

The fuel tank is empty.

1.

Fill the fuel tank.

fails to keep running.

2.

The choke is not on.

2.

Move the choke lever to On.

 

 

3.

The air cleaner is dirty.

3.

Clean or replace the air cleaner

 

 

 

 

element.

 

4.

The spark plug wire(s) is loose or

4.

Install the wire(s) on the spark plug.

 

 

disconnected.

 

 

 

5.

The spark plug(s) is pitted, fouled, or

5.

Install a new, correctly gapped spark

 

 

the gap is incorrect.

 

plug(s).

 

6.

There is dirt in fuel filter.

6.

Replace the fuel filter.

 

7.

Dirt, water, or stale fuel is in fuel

7.

Contact an Authorized Service Dealer.

 

 

system.

 

 

 

8.

There is incorrect fuel in the fuel tank.

8.

Drain the tank and replace the fuel with

 

 

 

 

the proper type.

 

9.

The oil level in the crankcase is low.

9.

Add oil to the crankcase.

 

 

 

 

 

The engine loses power.

1.

The engine load is excessive.

1.

Reduce ground speed.

 

2.

The air cleaner is dirty.

2.

Clean the air cleaner element.

 

3.

The oil level in the crankcase is low.

3.

Add oil to the crankcase.

 

4.

The cooling fins and air passages

4.

Remove the obstruction from the

 

 

under the engine blower housing are

 

cooling fins and air passages.

 

 

plugged.

 

 

 

5.

The spark plug(s) is pitted, fouled, or

5.

Install a new, correctly gapped spark

 

 

the gap is incorrect.

 

plug(s).

 

6.

The vent in the fuel cap is closed.

6.

Open the vent in the fuel cap.

 

7.

There is dirt in the fuel filter.

7.

Replace the fuel filter.

 

8.

Dirt, water, or stale fuel is in the fuel

8.

Contact an Authorized Service Dealer.

 

 

system.

 

 

 

9.

There is incorrect fuel in the fuel tank.

9.

Drain the tank and replace the fuel with

 

 

 

 

the proper type.

 

 

 

 

 

The machine does not drive.

1.

The bypass valves are open

1.

Close the tow valves.

 

2.

The traction belts are worn, loose, or

2.

Contact an Authorized Service Dealer.

 

 

broken.

 

 

 

3.

The traction belts are off of the pulleys.

3.

Contact an Authorized Service Dealer.

 

4.

The transmission has failed.

4.

Contact an Authorized Service Dealer.

 

 

 

 

 

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Hayter Mowers RZT420H manual Troubleshooting, Problem Possible Cause Corrective Action

RZT420H specifications

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