SERIES 60 SERVICE MANUAL 7. Remove the valve locks using valve spring compressor (J–8062) with jaws (J–8062–3) installed, to compress each valve spring. See Figure 1-73. Figure 1-73 Compressing Valve Spring 8. Release the spring and remove the valve, valve rotator and valve spring. 9. Remove the valve stem oil seal and discard the seal. 10. Remove the valve spring seat. 11. As parts are removed, mark or segregate them according to their original position for possible reuse. All information subject to change without notice. (Rev. 2005) 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION 1-87