Trouble Shooting Chart

PROBLEM: The engine will not start.

1.Follow the steps, “How To Start The Engine” in this book.

2.Electric–Start Models: Clean the battery terminals. Tighten the cables.

3.Drain the fuel tank. Clean the fuel line. Replace the fuel filter.

4.Remove the spark plug(s). Move the throttle to the SLOW posi- tion. Turn the ignition key to the ON position. Try to start the en- gine several times. Install the spark plug.

5.Replace the spark plug.

6.Adjust the carburetor.

PROBLEM: The engine will not turn over.

1.Follow the steps, “How To Start The Engine” in this book.

2.Electric–Start Models: Check the level of the acid in the battery. If needed, add water. Charge the battery.

3.Replace the fuse.

4.Check the wiring harness for damage or a loose connection. Repair the damaged wire.

5.Electric–Start Models: replace the solenoid. Recoil–Start Mod-

els: replace the module.

PROBLEM: The engine is difficult to start.

1.Adjust the carburetor.

2.Replace the spark plug.

3.Replace the fuel filter.

PROBLEM: The engine does not run smooth or has a loss of power.

1.Check the oil.

2.Clean the air filter.

3.Clean the air screen.

4.Replace the spark plug.

5.The engine is working too hard. Use a lower gear.

6.Adjust the carburetor.

7.Replace the fuel filter.

PROBLEM: The engine does not run smooth at fast speed.

1.Replace the spark plug.

2.Adjust the throttle control.

3.Clean the air filter.

4.Replace the fuel filter.

PROBLEM: The engine stops when the blades are engaged.

1.To activate the seat sensor, always sit in the middle of the seat.

2.Check the wiring harness for damage or a loose connection. Repair the damaged wire.

PROBLEM: On slopes, the engine stops.

1.Mow up and down slopes. Never mow across a slope.

2.To activate the seat sensor, always sit in the middle of the seat.

PROBLEM: The engine will not idle.

1.Replace the spark plug.

2.Clean the air filter.

3.Adjust the carburetor.

4.Adjust the throttle control.

5.Drain the fuel tank. Clean the fuel line. Replace the fuel filter.

PROBLEM: A hot engine causes a decrease in power.

1.Clean the air screen.

2.Check the oil.

3.Adjust the carburetor.

4.Replace the fuel filter.

PROBLEM: Excessive vibration.

1.Replace the blade.

2.Check for loose engine bolts.

3.Decrease the air pressure in the tires.

4.Adjust the carburetor.

5.Check for a damaged belt or damaged pulley. Replace the damaged parts.

PROBLEM: The grass does not discharge correctly.

1.Stop the engine. Clean the mower housing.

2.Raise the height of cut.

3.Replace or sharpen the blade(s).

4.Move the shift lever to a slower speed.

5.Move the throttle control to the FAST position.

6.Replace the spring for the blade idler.

PROBLEM: The mower housing does not cut level.

1.Check the air pressure in the tires.

2.Adjust the level of the mower housing.

3.Check the front axle. If the front axle does not freely pivot, loos- en the axle bolt(s).

PROBLEM: The mower blades will not rotate.

1.Check the mower drive belt. Make sure the belt is installed cor- rectly.

2.Replace the mower drive belt.

PROBLEM: The unit will not move when the brake is released and the speed control pedal is depressed.

1.Check the motion drive belt. Make sure the belt is installed correctly.

2.Adjust the clutch.

3.Replace the motion drive belt.

4.Release the Automatic Drive Disconnect under the seat.

PROBLEM: The unit moves slower or stops when the speed control pedal is depressed.

1.Adjust the clutch.

2.Replace the motion drive belt.

PROBLEM: When the brake pedal is released, belt noise can be heard.

1.Temporary belt noise does not change the operation of the unit. If belt noise is continuous, check the routing of the belt. Make sure the belt is inside all belt guides.

2.If the noise is continuous, adjust the clutch.

PROBLEM: The rear wheels spin over uneven terrain.

1.Check the front axle. If the front axle does not freely pivot, loos- en the axle bolt(s).

F–030738L

425603x99A specifications

Murray 425603x99A is a significant advancement in the field of outdoor power equipment, combining innovative technologies with user-centric features to deliver an exceptional performance. This model is primarily designed for tackling heavy-duty landscaping tasks with efficiency and ease, making it a top choice among both professional landscapers and avid gardeners.

One of the standout features of the Murray 425603x99A is its powerful engine. Equipped with a robust four-stroke engine, this model offers high torque and reliable power, ensuring that it can handle challenging terrains and thick underbrush without faltering. The engine is not only powerful but also designed with fuel efficiency in mind, allowing users to complete more tasks on less fuel, which is both cost-effective and environmentally friendly.

The design of the Murray 425603x99A emphasizes user comfort and control. Its ergonomic handlebar system provides a comfortable grip and reduces vibrations, minimizing fatigue during extended periods of use. The adjustable height feature allows operators to customize the machine to suit their specific working conditions and personal preferences, enhancing overall user experience.

In terms of cutting technology, the Murray 425603x99A comes with a precision cutting deck that ensures clean and even cuts across various grass types. The deck’s design promotes excellent grass discharge performance, making it easy to manage clippings while maintaining a pristine lawn appearance. Additionally, the mower features multiple cutting height adjustments, providing versatility from a low trim to a more substantial grass length.

Safety is a critical consideration in the design of the Murray 425603x99A. It includes several safety features, such as an automatic shut-off function that engages when the operator releases the handle, preventing accidental starts. The sturdy construction of the mower also adds to its durability, ensuring that it can withstand the rigors of frequent use.

Moreover, the Murray 425603x99A is compatible with a range of accessories, allowing for personalized modifications to its functionality. Users can equip it with baggers, mulchers, and other attachments to enhance its versatility across different tasks.

Overall, the Murray 425603x99A stands out as a well-engineered and dependable outdoor power equipment choice. Its combination of power, precision, and thoughtful design features make it an excellent investment for anyone seeking durability and performance in their landscaping endeavors. Whether for commercial or residential use, this model promises to deliver results that exceed expectations.

Murray 425603x99A manual Trouble Shooting Chart

Models: 425603x99A