Westinghouse iGen4500DFcv User Manual page 27

5. Insert a feeler gauge between the rocker arm and the
valve stem to measure valve clearance.
Intake Valve
0.0031 – 0.0047 in
Valve Clearance
(0.08 – 0.12 mm)
Torque
Exhaust Valve
0.0051 – 0.0067 in
(0.13 – 0.17 mm)
8-12 N•m 8-12 N•m
MAINTENANCE
6. If an adjustment is necessary, hold the rocker arm pivot
and loosen the pivot adjusting nut.
7. Turn the rocker arm pivot to obtain the specified
clearance. Hold the rocker arm pivot and re-tighten the
pivot adjusting nut to the specified torque.
Torque: 106 inch-pound (12 N•m)
8. Perform this procedure for the other valve.
9. Install the gasket, rocker arm cover, and spark plug.
Westinghouse Outdoor Power Equipment | 27