(1) (1a) (1b) (2) (3) (4) (5) (6) (7) (7a) (8) TM 9-2815-202-34 Install two each of cup plugs (1 and 2), four cup plugs (3), one each of pipe plugs (4, 5,6, and 7), and two pipe plugs (8) in front of cylinder block. For models 7083-7395, 7083-7398 and 7083-7399, install two pipe plugs (9) in front of the cylinder block. For models 7083-7391 and 7083-7396, install pipe plug (9) in right front of block. For models 7083-7391 and 7083-7396, install turbocharger oil feed elbow (9.1) in left front of cylinder  block. Install drain cock (10) on front of block. If necessary, install two locating pins (11) so they protrude 0.630 +/-0.030 inch from front face of  block. Install cup plug (12), in bottom of block to depth of 3.40 inches below surface using cup plug installation tool (66). For models 7083-7395 and 7083-7398 only, install dipstick adapter (24) in left side  of  block. Install two each of pipe plugs (25 and 26) in left side of block. For models 7083-7395, 7083-7398 and 7083-7399, install turbocharger oil feed elbow (27) in left side of block. For models 7083-7391 and 7083-7396, install pipe plug (27.1) in left side of block. Install drain cock (28), and four cup plugs (29) in left side of block. For models 7083-7395 and 7083-7398, install pipe plug (30) in left side of block.  For  models  7083-7391, 7083-7396 and 7083-7399, install two pipe plugs (30) in left side of block. Change 1 4-171