TM 9--2815--247--34 0063 00--7 ENGINE BLOCK REPAIR -- CONTINUED 0063 00 Repair 1.   Replace damaged or bent tubes (16 and 18). Refer to WP 0012 00. 2.   Replace damaged or bent bushing (17). Refer to WP 0012 00. 3.   Replace loose or damaged pins (19). Refer to WP 0012 00. 4.   Replace damaged, bent or stripped studs (20 through 28). Refer to WP 0012 00. REF NO. SETTING HEIGHT NO. REQUIRED STUD SIZE AND LENGTH 20 1--5/64 (27.3844 mm) 168 9/16--12 (1.9) X 9/16--18 (0.81) X 2--3/8 21 5--1/2 (139.7 mm) 8 3/8--16 (1) X 3/8--24(1--3/16) X 6--1/4 22 5--1/4 (133.35 mm) 4 3/8--16 (27/32) X 3/8--24 (1) X 6 23 5--1/16 (128.5875 mm) 2 3/8--16 (3/4) X 3/8--14(1) X 5--7/8 24 6--5/64 (154.3844 mm) 28 9/16--12 (1--3/8) X 9/16--18 (13/64) X 8--3/4 25 15/16 (23.8125 mm) 1 7/16--14 (1) X 7/16--20 (3/4) X 1--3/4 26 1/2 (12.7 mm) 6 5/16--18 (1/2) X 5/16--24 (7/16) X 1 27 2 1/2 (63.5 mm) 4 3/8--16 (15/16) X 3/8--24 (11/16) X 3--1/8 28 4--19/32 (116.6812 mm) 1 5/8--11 (1--11/32) X 5/8--18 (29/32) X 5--1/2 Figure 3 19 16 16 17 18 20 21 22 21 23 22 21 23 25 24 28 27 27 26