Valve rocker adjustment (Engine)

VALVE ROCKER ADJUSTMENT

Service repair no - 12.29.48

Remove

1. Disconnect battery earth lead.
2. Remove rocker cover. See Repairs.

3. Check clearance between the valve rocker arms and valve stems with a feeler gauge. Data: Clearance = 0.30 mm.
4. Check clearance of each valve in the following order: Check No. 1 valve with No. 8 fully open. Check No. 3 valve with No. 6 fully open. Check No. 5 valve with No. 4 fully open. Check No. 2 valve with No. 7 fully open. Check No. 8 valve with No. 1 fully open. Check No. 6 valve with No. 3 fully open. Check No. 4 valve with No. 5 fully open. Check No. 7 valve with No. 2 fully open.

NOTE: The gauge should be a sliding fit when the engine is cold.

5. Loosen adjusting screw lock nut.
6. Rotate the adjusting screw, clockwise to decrease or anti-clockwise to increase the clearance.
7. Tighten locknut when clearance is correct, holding the screw against rotation.
8. Fit rocker cover. See Repairs.
9. Connect battery earth lead.