Exmark Metro 21, Metro 26 manual

2.Locate the grease fitting on the underside of the mower deck. Wipe the grease fittings with a clean rag (Fig. 23).

FIGURE 23

3.Install a grease gun onto the fitting and gently apply 2 or 3 pumps of #2 multi- purpose lithium base grease (Fig. 23).

NOTE: Excessive grease pressure may damage the seals.

5.10Adjusting the Self-Propel Drive:

If the lawn mower does not self-propel or has a tendency to creep forward when the control bar is released, adjust the transmission cable on the deck.

1.If the lawn mower does not self propel, rotate the transmission cable nuts clockwise 1/2 turn to tighten the belt.

If the lawn mower creeps forward, rotate the transmission cable nuts 1/2 turn counterclockwise to loosen the belt (Fig. 24).

FIGURE 24

5.11Servicing 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. 8).

3.Clean around the spark plug.

4.Remove the spark plug from the cylinder head.

NOTE: Replace a cracked, fouled, or dirty spark plug. Do not clean the electrodes because grit entering the cylinder can damage the engine.

5.Set the gap on the plug to 0.030 in. (0.76 mm) (Fig. 25)

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