ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 5-84 (3) Number cylinder liners and pistons.  Stamp front of cylinder liner to assure correct assembly position. CAUTION Keep matched pistons and liners together.  Liners must be reinstalled in same cylinder bore.  Failure to comply could result in excessive engine wear. (4) Remove cylinder liner (11, Figure 5-72) using Puller. (5) Remove O-rings (12) from cylinder block. (6) Remove packing (13) from cylinder liner (11). (7) Cover all openings to prevent entry of foreign material. c.   Inspection. (1) Perform testing of cylinder liner height prior to removal, refer to step a.  If out of specifications, continue inspection by performing step c (2). (2) Remove cylinder liner, refer to step b (4). (3) Clean cylinder liner (11, Figure 5-72) as follows: (a) Clean cylinder liner using stiff bristle brush.  Remove all debris, rust, and scale from outer diameter of cylinder liners, under cylinder liner flange, and in O-ring packing areas. (b) Visually inspect cylinder liner (11) to insure that there are no nicks or burrs in areas where packings will seat.  Replace cylinder liner if nicks or burrs are observed. CAUTION Solvents will not remove all abrasives from liner walls.  Do not use gasoline, kerosene, or commercial solvents to clean liners. Failure to comply could result in engine damage. (c) Thoroughly clean cylinder liner (11) inner diameter using a solution of 50 percent hot water and 50 percent liquid detergent. (d) Thoroughly rinse cylinder liner with water and wipe dry with clean rag. (e) Swab out cylinder liner (11) as often as necessary with clean SAE 10W oil.  Clean cylinder liner until a clean, white rag shows no discoloration when rubbed against inner diameter of cylinder liner. (4) Clean cylinder liner O-ring bore inside cylinder block using O-ring bore cleaning brush IAW instructions supplied with O-ring bore cleaning brush.