POWR Power unit5-39 69J3D113. Measure the camshaft runout. Replace ifout of specification.4. Measure the camshaft journal diameterc and cylinder head journal inside diam-eter d. Replace the camshaft and cylin-der head if out of specification.5. Calculate the camshaft oil clearance eas follows. Replace the camshaft andcylinder head as a set if out of specifica-tion.Checking the timing chain tensioner1. Measure the plunger extended length a.Replace if out of specification.NOTE:Check the timing chain tensioner every 400hours of operation.Cam lobe a:Intake:45.30–45.40 mm(1.7835–1.7874 in)Exhaust:45.35–45.45 mm(1.7854–1.7894 in)Cam lobe b:Intake:35.95–36.05 mm(1.4154–1.4193 in)Exhaust:35.95–36.05 mm(1.4154–1.4193 in)Crank stand alignment:90890-03107Camshaft runout limit:0.1 mm (0.004 in)Camshaft journal diameter c:24.96–24.98 mm(0.9827–0.9834 in)Camshaft cap inside diameter d:25.00–25.02 mm(0.9843–0.9850 in)Camshaft oil clearance e =Camshaft cap inside diameter d –Camshaft journal diameter c:0.02–0.06 mm (0.0008–0.0023 in)S69J5970
