Exmark 4500-355 Lubricate Grease Fittings, Check Spark Plugs, Change Fuel Filter, Maintenance

Maintenance

Lubricate Grease Fittings

Note: See chart for service intervals.

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

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		Service
	Locations		Pumps				Places	Interval
1.	Caster Wheel	12			2			Daily
Bearings
2.	Caster Pivots	2			2			Daily
3.	PTO	1			1			Monthly
Engagement
Bellcrank
4.	Pump Drive	2			1			40 hours
Idler Pivot
5.	Pump	2			2			40 hours
Control
Bearings
6. Mower Deck		2			1			40 hours
Idler Pivots

Number 4 Idler Pivot (Pump Drive) Located

under engine deck

Number 4 and 6 (Idler Pivots) Disassemble and grease

once a month under a “No Load” condition.

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 Engagement	1	40 hours
Upper Bellcrank

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.

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