Detroit Diesel — стр. 115

SERIES 60 SERVICE MANUAL 3. If some of the bolt holes do not clean up completely, continue resurfacing remaining holes, repeating the operation in. 0.005 in. increments. This will clean up any holes that may not have cleaned up completely during the ﬁrst cut. 4. After all counterbores have been resurfaced, remove any loose cutting chips. 5. Steam clean the complete cylinder head. 6. After steam cleaning, inspect the cylinder head for any remaining chips. 7. Reinstall the cylinder head assembly, using 38 of the new ground head bolt washers. 1.2.4 Assembly of Cylinder Head Perform the following steps for cylinder head assembly:

EYE INJURY To avoid injury from ﬂying debris when using compressed air, wear adequate eye protection (face shield or safety goggles) and do not exceed 276 kPa (40 psi) air pressure. NOTICE: If the cylinder head is to be replaced, the new head must be thoroughly cleaned before installation to remove all rust and preventive compound, especially from the fuel and oil galleries. This can be done by immersion in a bath of fuel oil or mineral-spirits-based solvent and scrubbing out all openings with a soft bristle brush. When clean, blow the head dry with compressed air. 1. Install new precoated pipe plugs or coat the used plugs with pipe sealant with Teﬂon, PT-7260, or equivalent.

Refer to section ADDITIONAL INFORMATION 1.A, "Engine Plug and Dowel Charts" for speciﬁcations. 2. Install all of the required cup plugs using a good grade of non-hardening sealant, such as Loctite® 620 or equivalent, on the cup plugs. Use cup plug installation tool set (J–35653). Refer to section ADDITIONAL INFORMATION1.A, "Engine Plug and Dowel Charts" for speciﬁcations. 3. Ensure that all cup and pipe plugs on the front face of the cylinder head are ﬂush or below the surface. 4. Install valve guides and seats, valves, valve stem seals, valve springs and rotators. Refer to section 1.4.8and refer to section 1.4.7. All information subject to change without notice. (Rev.