Exmark 920 manual Check for Loose Hardware, Service Air Cleaner, Change Engine Oil

Maintenance

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 250 hours—Replace the primary air cleaner element — check secondary air cleaner element; replace if dirty. (May need more often under severe conditions. See the Engine Owner’s Manual for additional information.)

Every 500 hours—Replace the secondary air cleaner element (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

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 Exmark 4–Cycle Premium Engine 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 the Check Engine Oil Level section. 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: Every 50 hours

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.Slide the seat all the forward to access the caps on the LH and RH hydro drives.

4.Clean the area around hydraulic reservoir cap and remove cap.

5.Wipe the dipstick clean and re-insert the cap back into the hydro. Lightly tighten the cap.

6.Remove the cap again and check the level of the oil on the dipstick. See Figure 24 for oil levels.

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