6-8. CYLINDER BLOCK- Continued
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful
vapors, and are harmful to skin and clothing. To avoid injury or death, keep away
from open fire and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap and water.
There are 14 plugs, seven in each cylinder bank. Apply small quantity of sealing
and lubricating compound (Item 31, Appendix E) to thread area above plug. Do
not let sealant get onto threads of cylinder head screws. Allow sealant to set for 12
hours before performing pressure check section d. Testing.
Top of plugs must be 1.960-in (50 mm) below surface of block when installed.
Coat threads of 11/16-in. plugs (47) with sealing and lubricating compound (Item 31, Appendix E)
and install in cylinder head screw holes (48). Tighten to 50 to 60 tb-ft (68 to 81 N·m).
Install two dowels (49) in front of engine block (5) until they stick out 5/8-in. (16 mm).
Install three plugs (50) and two plugs (51).
Install two dowels (52) in rear of engine block (5) until they stick out 5/8-in. (16 mm).
Install cup plug (53) in bottom of engine block (5).