SERIES 60 SERVICE MANUAL After disassembling and before removing the cylinder block from the overhaul stand for cleaning and inspection, install the two metric eye bolts (J–35595) to the cylinder block. See Figure 1-9. Figure 1-9 Cylinder Block Test Deck Plate Installation Clean the cylinder block as follows: 1. Remove all oil and water gallery and weep hole plugs to allow the cleaning solution to enter the inside of the oil and water passages. On current block, remove bolt-on plate or piston-cooling oil spray nozzle at the base of each cylinder bore. 2. Immerse and agitate the block in a hot bath of a commercial, heavy-duty alkaline solution. 3.
Wash the block in hot water or steam clean it to remove the alkaline solution. 4. If the water jackets are heavily scaled, proceed as follows: [a] Immerse and agitate the block in a bath of inhibited phosphoric acid. [b] Allow the block to remain in the acid bath until the bubbling action stops (approximately 30 minutes). [c] Lift the block, drain it and immerse it again in the same acid solution for 10 more minutes. Repeat until all scale is removed from the water jacket area. [d] Rinse the block in clear, hot water to remove the acid solution. [e] Neutralize the acid that may cling to the casting by immersing the block in an alkaline bath.
[f] Wash the block in clean water or steam clean it. All information subject to change without notice. (Rev. 2005) 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION 1-13