Briggs & Stratton 30473 Service Spark Plug

Service Spark Plug

1.Loosen the four handle screws and remove the handle (Figure 8).

Figure 8

2.Remove the top maintenance cover.

4.Remove spark plug and inspect for pitting, corosion, cracks, or other signs of damage.

5.Check electrode gap with wire feeler gauge (A, Figure 10) and reset the spark plug gap to recommended gap if necessary.

Figure 10

3. Clean area around spark plug and remove spark plug			6.	Replace spark plug if electrodes are pitted, burned, or
				porcelain is cracked. Use the recommended replacement
boot (Figure 9).
				plug.
			7.	Install spark plug and t	rque to 180 in. lbs. (20 Nm).
				Reinstall spark plug b	t.
	Not		8.	Reinstall top main enance cover.
			9.	Reinstall handle and tighten the four handle screws.
		Reproduction
	for
Figure 9

13