15 mm Remove the valve cover. 1/2 Inch Drive, 3377371 Engine Barring Gear Locate Top Dead Center (TDC) for Cylinder Number 1 by barring the crankshaft slowly while pressing on the engine timing pin. When the timing pin engages in the hole in the camshaft gear, Cylinder Num ber 1 is at TDC on the… Read More »
Make sure the dowel rings in the pedestals are installed into the dowel bores. Inspect all cylinder head capscrews for proper length using Service Tool Part No. 3823921. Use clean engine oil to lubricate the threads and under the heads of the capscrews. Install the capscrews into the pedestals. 18 mm Step 1: All Tighten… Read More »
Install the push rods into the sockets of the valve tappets. Lubricate the push rod sockets with clean engine oil. Make sure the rocker lever adjusting screws are completely backed out.
Inspect the push rod bail and socket for signs of scoring. Check for cracks where the ball and the socket are pressed into the tube. Check the push rods for roundness and straightness.
Clean the push rods in hot soapy water.
Install the adjusting screw and lock nut. Caution: Be sure to assemble the intake and exhaust rocker levers in the correct location. Lubricate the shaft with engine lubricating oil. Position the levers on the rocker shaft. Install the thrust washers. Install the snap rings.
Measure the rocker lever bore. Inspect the pedestal and shaft. Measure the shaft diameter.
Clean all parts in a strong solution of laundry detergent in hot water. Use compressed air to dry the parts after rinsing in clean hot water. NOTE: The pedestals are made from powdered metal and will continue to show wetness after they have been cleaned and dried.
If the rocker lever and push rods are to be inspected for reuse, follow these steps. Remove the retaining rings and thrust washers. Remove the rocker levers. Caution: Do not disassemble the rocker lever shaft and pedestal. The pedestal and shaft must be replaced as an assembly. Remove the lock nut and adjusting screw.
15 mm Remove the valve covers. 14 mm Loosen the adjusting screw locknuts. Loosen the adjusting screws until they stop. 13 mm, 18 mm Remove the capscrews from the rocker lever pedestals. Remove the pedestals and rocker lever assemblies. Remove the push rods.