Change Engine Oil

Maintenance

Figure 29

1.	Wing nuts	4.	Foam element
2.	Cover	5.	Base

3.Paper element

4.Remove the cover.

Note: Be careful to prevent dirt and debris from falling into the base.

5.Remove the foam and paper elements from the base.

6.Remove the foam element from the paper element.

7.Inspect the foam and paper elements, and replace them if they are damaged or excessively dirty.

8.Tap the paper element on a hard surface several times or use compressed air not exceeding 30 psi (207 kPa) through the filter from the wire screen side to remove any excess dirt. If the paper element is excessively dirty, replace it.

Note: Never try to brush dirt off the paper element; brushing forces the dirt into the fibers.

9.Clean the foam element in warm, soapy water or in a nonflammable solvent.

10.Rinse and dry the foam element thoroughly.

11.Dip the foam element in clean engine oil, then squeeze out the excess oil.

Note: Excess oil in the foam element restricts the air flow through the element and may reach the paper filter and clog it.

12.Wipe dirt from the base and the cover with a moist rag.

Note: Be careful to prevent dirt and debris from entering the air duct leading to the carburetor.

13.Install the air cleaner elements and ensure that they are properly positioned.

14.Securely install the cover with the two wing nuts.

Service Interval: After the first 5 hours

Every 50 hours (May need more often under severe conditions.)

1.Run the engine to warm the engine oil.

Note: Warm oil flows better and carries more contaminates.

WARNING

Oil may be hot after engine has been run. Contact with hot oil can cause severe personal injury.

Avoid contacting the hot engine oil when you drain it.

2.Stop engine, wait for all moving parts to stop.

3.Disconnect the wire from the spark plug.

4.Drain the gasoline from the fuel tank. Refer to

Emptying the Fuel Tank and Cleaning the Fuel Filter section.

5.Place a suitable drain pan under the dipstick/oil drain.

6.Clean around the dipstick.

7.Remove the dipstick by rotating the cap counterclockwise and pulling it out.

8.Raise the left side of the lawn mower to drain the oil from the dipstick fill tube into the drain pan.

9.After draining the oil, return the lawn mower to the operating position.

10.Fill the crankcase with fresh oil to the upper limit mark on the dipstick. Use oil recommended in the Check Engine Oil Level section. Do Not overfill

11.Insert the dipstick into the filler neck and rotate the cap clockwise until it is tight.

12.Wipe up any spilled oil.

4500-686 Rev. B specifications

The Exmark 4500-686 Rev. B is a cutting-edge commercial mower that embodies the perfect blend of performance, durability, and user-friendly features. Designed for professional landscapers and grounds maintenance professionals, this mower is built to handle the rigorous demands of large properties and commercial applications.

One of the standout features of the Exmark 4500-686 Rev. B is its powerful engine. Equipped with a robust EFI (Electronic Fuel Injection) engine, it delivers exceptional power and fuel efficiency. The engine's advanced technology allows for quicker starts and better throttle response, ensuring that users can tackle their mowing tasks without any delays. This efficiency translates into reduced operating costs and less time spent refueling.

Another notable technology integrated into this mower is the UltraCut deck system. The 4500-686 Rev. B features a precision-engineered cutting deck that provides a superior cutting performance, offering an even and professional finish to any lawn. The design promotes optimal airflow beneath the deck, resulting in better grass lift and dispersion, which reduces clumping and enhances the quality of the cut. Additionally, the cutting height is easily adjustable, allowing operators to customize their mowing according to specific turf conditions.

User comfort is a paramount consideration in the design of the Exmark 4500-686 Rev. B. The mower is equipped with an ergonomic seat and controls that minimize operator fatigue during extended use. The full-suspension seat absorbs shocks and vibrations, while the easy-to-use controls allow for intuitive operation, ensuring that mowing is a seamless and productive experience.

Durability is another key characteristic of the 4500-686 Rev. B. Built with high-quality materials and components, this mower is designed to withstand the wear and tear of everyday use. The frame is reinforced to provide added strength, while the corrosion-resistant coating ensures that it maintains its appearance and functionality over time.

In conclusion, the Exmark 4500-686 Rev. B is an exceptional choice for anyone looking for a reliable and efficient commercial mower. With its powerful EFI engine, advanced cutting technologies, emphasis on operator comfort, and rugged build quality, this mower offers unmatched performance in the field. Whether for professional landscaping or maintaining large properties, the Exmark 4500-686 Rev. B is engineered to meet the demands of any mowing job.

Exmark 4500-686 Rev. B manual Change Engine Oil

Models: 4500-686 Rev. B