Exmark Metro 21 Series manual Grease Fitting

5.Open the fuel valve by turning the lever to the open position (Fig. 3).

6.Drain the gasoline completely from the tank and fuel line into an approved fuel container.

7.Remove the fuel tank from the mower.

8.Close the fuel valve.

9.Pour a small amount of fuel in the fuel tank, move the fuel around in the tank, and pour it out into an approved fuel container.

10.Install the fuel tank and fuel line.

5.10Lubricating the Pivot Arms

Service Interval: Lubricate after every 50 operating hours or when the season ends.

1.Move the rear wheel cutting height levers to the center setting.

2.Wipe the grease fittings with a clean rag (Fig. 31).

G0225

Grease Fitting

Figure 31

3.Install a grease gun onto the fitting and gently apply 2 or 3 pumps of #2 multi- purpose lithium base grease (Fig. 31).

NOTE: Excessive grease pressure may damage the seals.

5.11Adjusting the Self-Propel Drive (Self-Propelled Units Only):

If the lawn mower does not self-propel or has a tendency to creep forward when the control bar is released, adjust the wheel drive control knob on the rear of the gear box.

1.Close the door in the lawn mower housing and remove the grass bag.

2.If the lawn mower does not self propel, rotate the control knob clockwise 1/2 turn to tighten the belt.

If the lawn mower creeps forward, rotate the knob 1/2 turn counterclockwise to loosen the belt (Fig. 32).

G0224 Control Knob

Figure 32

5.12Servicing the Spark Plug:

Service Interval: Check the spark plug after every 100 operating hours.

1.Stop the engine and wait for all moving parts to stop.

2.Disconnect the wire from the spark plug (Fig. 12 & 14).

3.Clean around the spark plug.

4.Remove the spark plug from the cylinder head.

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