TM 9-6115-604-34 NAVFAC P-8-633-34 Table 2-1.  Special Tools, Test, and Support Equipment (Continued) Reference Item NSN or Fig. No. Para No. Use Fig. Reference No. Block Weight ST-1231 -- 6-12 Removing and installing weight -- Carrier (15434) carrier. Checking Tool, ST-1241 -- 6-12 Checking fuel pump governor -- Plunger (15434) weight plunger protrusion. Puller, Coupling ST-1249 -- 6-12 Disassembling fuel pump. -- Half (15434) Gage, ST-1252 Figure 9-57 9-31 Checking concentricity of -- Concentricity (15434) cylinder block lower liner bore. Vacuum Tester, ST-1257 Figure 9-11 9-9 Checking valve and seat sealing -- Valve (15434) in cylinder head. Seal ST-1257-36 -- 9-9 Exhaust Valve Seal. -- (15434) Seal ST-1257-37 -- 9-9 Intake valve seal. -- (15434) Cup ST-1257-38 -- 9-9 Sealing intake and exhaust -- (15434) valves. Spacer, Crosshead ST-1264 -- 9-11 Installing valve crosshead guide. -- Guide (15434) Driver, Valve ST-1265 -- 9-11 Installing valve guide. -- Guide, Tapered (15434) Top Clamp, Cylinder ST-1267 Figure 9-34 9-24 Clamping cylinder liner for pro- -- Liner (15434) trusion checking. Expander, Piston ST-1269 -- 9-20 Removing and installing piston -- Ring (15434) rings. Block, Roller Pin ST-1283 Figure 9-14 9-14 Disassembling and assembling -- followers. (15434) cam Mandrel ST-1284 -- 9-13 Removing and Installing rocker -- (15434) lever bushings. Driver, Connecting ST-1285 Figure 9-28 9-19 Removing and installing piston -- Rod Bushing (15434) pin bushings. Valve Seat Insert ST-1288 -- 9-11 Installing valve seat inserts. -- Staking Tool (15434) Stand, Injector ST-1 298 -- 6-15 Repairing fuel injectors. -- Assembly (15434) Mandrel Set, ST-1305 -- 9-19 Checking connecting rod -- Locating (15434) alignment. Counterbore Tool, ST-1309 -- 9-31 Resurfacing cylinder liner coun- -- Cylinder Block (15434) terbore. Cutter Set, Valve ST-1310 -- 9-11 Installing new valve seat inserts. -- Seat Insert (15434) 2-2