Exmark 4500-540 Rev. B Check Spark Plugs, Change Fuel Filter, Change Hydraulic System Filter

Maintenance

2.Lubricate fittings with NGLI grade #2 multi-purpose gun grease.

Refer to the following chart for fitting locations and lubrication schedule.

Lubrication Chart

Fitting		Initial				Number of Places					Service
Locations		Pumps									Interval
				36 inch			48 inch		52 inch
					Deck			Deck		Deck
1. Caster	12		2				2		2		Daily
Wheel
Bearings
2. Caster	2		2				2		2		Daily
Pivots
3. PTO	1		1				1		1		40 hours
Engagement
Bellcrank
4. Pump	2		1				1		1		Yearly
Drive Idler
Pivot
5. Clutch	1		1				1		1		40 hours
Arm Pivot
6. Pump	2		2				2		2		40 hours
Control
Bearings
7. Mower	2		1				1		1		Yearly
Deck Idler
Pivots

Number 4 Idler Pivot (Pump Drive) Located

under engine deck.

Number 5 (Clutch Arm Pivot) Located under

engine deck.

3.Lubricate pivot points with a spray penetrating lubricant as shown in the Spray Lubricant Chart.

Spray Lubricant Chart

Spray Lubricant Chart (cont'd.)

Pivot Point	Number of Places	Service Interval
1. PTO Lever	1	40 hours

Check Spark Plugs

Service Interval: Every 160 hours

Remove spark plugs, check condition and reset gaps, or replace with new plugs. See Engine Owner’s Manual.

Change Fuel Filter

Service Interval: As required

A fuel filter is installed in the fuel line between the fuel tank and the engine. Replace when necessary.

Change Hydraulic System Filter

Service Interval: After the first 250 hours

Every 500 hours/Yearly (whichever comes first) thereafter

(Every 250 hours/Yearly if using Mobil 1 15W50)

Note: Use only Exmark Part No. 109-4180 for Summer use above 32°F (0°C) or P/N 1-523541 for Winter use below 32°F (0°C) (Refer to Transmission section in Specifications for filter specifications).

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

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

3.Unscrew filter to remove and allow oil to drain from reservoir.

Important: Before reinstalling new filter, fill it with Exmark Premium Hydro oil and apply a thin coat of oil on the surface of the rubber seal.

Turn filter clockwise until rubber seal contacts the filter adapter, then tighten the filter an additional 2/3 to 3/4 turn.

4.Fill reservoir as stated in Check Hydraulic Oil

Level.

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