SERIES 60 SERVICE MANUAL 1.4.4 Removal of Valve Guide Perform the following steps for valve guide removal: NOTE: Valve guides are not replaceable on natural gas. 1. Assemble the valve guide remover (J–34696–B) to an air chisel. See Figure 1-74. Figure 1-74 Valve Guide Removal Tools 2. Position the cylinder head, firedeck side up, on a turn over stand or supported on 102 x 102 mm (4 x 4 in.) wooden blocks on a workbench. All information subject to change without notice. (Rev. 2005) 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION 1-89