6-16. PISTON ASSEMBLY

TM-5-4320-302-14 Forward Area Water Point Supply System (FAWPSS) Model WP55100 NSN 4320-01-168-1629 and Model 9095-91 NSN 4320-01-338-3305 Manual
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TM 5-4320-302-14 6-16. PISTON ASSEMBLY This task covers. a. Removal e. Repair b. Disassembly f. Reassembly/Replacement c. Cleaning/Inspection g. Installation d. Replacement of Piston, Piston Pin, Piston Rings, or Cylinder INITIAL SETUP Tools References Shop set, automotive repair, Para 6-15 Cylinder field maintenance, basic NSN 4910-00-754-0705 Para 6-17 Connecting Rod Assembly Tool kit, master mechanics Para 6-18 Crankshaft Assembly NSN 5180-00-699-5273 Troubleshooting References (Table 6-1) Micrometer Piston heating unit No. 139000 Malfunction 1, step 2 Piston ring plier No. 130300 Malfunction 2, steps 1 through 4 Piston ring groove gage No. 130360 Malfunction 3, step 1 Straightedge, beveled steel Equipment Condition Materials/Parts Para Condition Description Circlips 5-20 Cylinder head assembly removed from engine. Expander spring Piston bushing 5-22 Bottom cover removed from engine. Piston pin 6-15 Cylinder removed from engine Set of piston rings and piston up on wooden blocks. Crocus abrasive cloth (Item 1, Appendix E) Diesel fuel oil (Item 5, Appendix E) Special Environmental Condition Dry cleaning solvent (Item 16, Appendix E) Well-ventilated area required during cleaning. 6-107

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