Maintenance

Check Rollover Protection System (Roll Bar) Knobs

Service Interval: Before each use or daily

Check that both the mounting hardware and the knobs are in good working condition. Make sure the knobs are fully engaged with the ROPS in the raised position. The upper hoop of the roll bar may need to be pushed forward or pulled rearward to get both knobs fully engaged.

 

Figure 20

1. Engaged

2. Partially engaged — Do

 

Not operate with ROPS

 

in this condition.

 

 

Check Seat Belt

Service Interval: Before each use or daily

Visually inspect seat belt for wear, cuts, and proper operation of retractor and buckle. Replace before operating if damaged.

Check for Loose Hardware

Service Interval: Before each use or daily

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

2.Visually inspect machine for any loose hardware or any other possible problem. Tighten hardware or correct the problem before operating.

Service Air Cleaner

Service Interval: Every 100 hours—Check the air cleaner; replace if dirty or damaged.

(May need more often under severe conditions.

See the Engine Owner’s Manual for additional information.)

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

2.See the Engine Owner’s Manual for maintenance instructions.

Change Engine Oil and Filter

Service Interval: After the first 5 hours

Every 100 hours/Yearly (whichever comes first) (May need more often under severe conditions.)

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

2.Drain oil while engine is warm from operation.

3.The oil drain hose is located on right hand side of engine at the rear. Place pan under machine to catch oil. Remove plug from end of drain hose. Allow oil to drain and replace oil drain plug. Torque plug to 20-24 ft-lb.

4.Replace the oil filter every other oil change. Clean around oil filter and unscrew filter to remove. Before reinstalling new filter, apply a thin coating of oil on the surface of the rubber seal. Turn filter clockwise until rubber seal contacts the filter adapter then tighten filter an additional 1/2 to 3/4 turn.

5.Clean around oil fill cap and remove cap. Fill to specified capacity and replace cap.

6.Use oil recommended in engine owner’s manual. Do Not overfill. Start the engine and check for leaks.

7.Wipe up any spilled oil from engine deck mounting surfaces.

Check Hydraulic Oil Level

Service Interval: Before each use or daily

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

2.Wait until the unit cools before checking the hydraulic oil.

3.Check expansion tank and if necessary add Exmark Premium Hydro oil to the FULL COLD line (see Figure 21).

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Exmark 850 Check Rollover Protection System Roll Bar Knobs, Check Seat Belt, Check for Loose Hardware, Service Air Cleaner

00 & Higher, 850 specifications

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