Briggs & Stratton 30244 operating instructions Tighten Jam Nut to 175 inch-pounds 19.7 N-m

6.Loosen rocker arm jam nut. Use an 8 mm allen wrench to turn pivot ball stud while checking clearance between rocker arm and valve stem with a feeler gauge (Figure 19). Correct clearance is 0.002-0.004 inch (0.05-0.1mm).

Figure 19 — Service Spark Arrester

NOTE: You must hold the rocker arm jam nut in place as you turn the pivot ball stud.

7.When valve clearance is correct, hold pivot ball stud in place with allen wrench and tighten rocker arm jam nut to 175 inch-pounds torque (Figure 20). After tightening jam nut, recheck valve clearance to make sure it did not change.

Figure 20 — Service Spark Arrester

Tighten Jam Nut to 175 inch–pounds (19.7 N-m)

8.Reattach the valve cover.

NOTE: Start all four screws before tightening or you will not be able to get all the screws in place.

NOTE: Make sure the gasket between the valve cover and cylinder head is in place.

9.Reattach the breather tube.

10.Reattach the spark plug wire to the spark plug.