Exmark 4500-996 Rev A manual Replace Emissions Air Intake Filter, Service Interval Every 500 hours

Maintenance

originally installed at the factory to keep the fuel line away from components that could cause fuel line damage.

Replace Emissions Air Intake Filter

Service Interval: Every 500 hours

1.Stop engine, wait for all moving parts to stop, and remove key or spark plug wire(s). Engage parking brake.

2.Remove the filter from the vent hose.

3.Insert a new filter into the end of the vent hose.

Change Hydraulic System Filter and Fluid

Service Interval: After the first 100 hours

Every 500 hours thereafter (Every 250 hours if using Mobil 1 15W50)

1.Stop engine, wait for all moving parts to stop, and allow engine to cool. Remove key and engage parking brake.

2.Locate the two filters under the transmissions. Remove filter guards.

3.Carefully clean area around filters. It is important that no dirt or contamination enter hydraulic system.

4.Unscrew filters to remove and allow oil to drain from drive system.

Important: Before reinstalling new filters, apply a thin coat of Exmark Premium Hydro Oil on the surface of the filters rubber seal.

Turn the filters clockwise until rubber seal contacts the filter adapter then tighten the filter an additional 3/4 to 1 full turn.

5.Remove the vent plug on each transmission and fill through expansion reservoir, when oil comes out of vent reinstall plug.

Exmark Premium Hydro Oil is recommended. Refer to the chart for an acceptable alternative:

Hydro Oil	Change Interval
Exmark Premium Hydro	500 Hours
Oil (Preferred)
Mobil 1 15W50	250 Hours

Torque plugs to 180 in-lb (244 N-m). Continue to add oil until it reaches the FULL COLD line on the expansion reservoir.

Figure 23

1. Oil filter 3. Left rear tire

2.Vent plug

6.Raise the rear of machine up and support with jack stands (or equivalent support) just high enough to allow drive wheels to turn freely.

CAUTION

Raising the mower deck for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous. The mechanical or hydraulic jacks may not be enough support or may malfunction allowing the unit to fall, which could cause injury.

Do Not rely solely on mechanical or hydraulic jacks for support. Use adequate jack stands or equivalent support.

7.Start engine and move throttle control ahead to 1/2 throttle position. Disengage parking brake.

WARNING

Engine must be running and drive wheels must be turning so adjustments can be performed. Contact with moving parts or hot surfaces may cause personal injury.

Keep fingers, hands, and clothing clear of rotating components and hot surfaces.

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