Exmark 4500-352 manual Periodic Maintenance, Check Engine Oil Level, Check Mower Blades, Danger

Maintenance

Periodic Maintenance

Check Engine Oil Level

Service Interval: Before each use or daily

1.Stop engine and wait for all moving parts to stop. Make sure unit is on a level surface.

2.Check with engine cold.

3.Clean area around dipstick. Remove dipstick and wipe oil off. Reinsert the dipstick and push it all the way down into the tube. Do Not screw into place. Remove the dipstick and read the oil level.

4.If the oil level is low, wipe off the area around the oil fill cap, remove cap and fill to the “FULL” mark on the dipstick. Use oil as specified in Engine Owner’s Manual. Do Not overfill.

Important: Do Not operate the engine with the oil level below the “LOW” (or “ADD”) mark on the dipstick, or over the “FULL” mark.

Check Mower Blades

Service Interval: Before each use or daily

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Lift deck and secure in raised position as stated in the Clean Grass Build-Up Under Deck procedure.

3.Inspect blades and sharpen or replace as required.

4.Re-install the blades (if they were removed) and torque blade bolts to 75-80 ft-lb (102-109 N-m). Be sure the spring disc washer cone is installed toward the bolt head (see Figure 8).

Figure 8

1. Spring disc washer	2. Blade bolt torque to
(cone towards bolt head)	75-80 ft-lb (102-109
	N-m).

Replacing the Discharge Deflector

Service Interval: As required

DANGER

An uncovered discharge opening could allow the lawn mower to throw objects in the operator’s or bystander’s direction and result in serious injury. Also, contact with the blade could occur.

Never operate the lawn mower unless you install a mulch plate, discharge deflector, or grass collection system.

1.To remove a damaged or worn discharge deflector, lift the leg of the spring with the loop out of the notch in the discharge deflector and slide the rod out of the discharge deflector brackets, and discharge deflector.

2.To install new discharge deflector, orient the spring on the rod as shown in Figure 9. Slide the rod through the front discharge deflector bracket, discharge deflector, and rear deflector bracket.

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