SERIES 60 SERVICE MANUAL 1.1.3.4 Inspection of Deck Flatness Check the cylinder block deck for flatness with an accurate straightedge and feeler gage. See Figure 1-14. Figure 1-14 Checking Block Deck for Flatness Check front-to-rear flatness next to the cylinder liner flanges on both sides, and side-to-side flatness between the liner flanges. The deck must be flat within 0.127 mm (0.005 in.) front-to-rear, and flat within 0.0762 mm (0.003 in.) side-to-side. If not, the deck must be resurfaced. All information subject to change without notice. (Rev. 2005) 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION 1-21