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TM   9-2520-272-34&P 4-29. REPAIR    CENTER    HOUSING    COMPONENTS (SHEET  12  OF  31) TASK   5.   REPAIR   4TH   AND   REVERSE   CLUTCH   HOUSING   ASSEMBLY COMMON    TOOLS: Pliers,    retaining    ring,    external Screwdriver,   flat   tip   (2   required) Wrench   combination,   3/4   inch SPECIAL   TOOLS: Bar  and  Stud  Assembly  (25341)  J  24204-2 Clutch   Spring   Compressor   (25341)   J   23616 Fixture   Assembly,   Leak   Test   (19207)   11650178 Inner   Seal   Protector   (25341)   J   21362 SUPPLIES: Lubricating   Oil   (Item   10,   Appendix   C) Petrolatum   (Item   14,   Appendix   C) Rag,   wiping   (Item   15,   Appendix   C) REPAIR    PARTS: Seal,   inner   (73342)   8623102 Seal,   outer   (73342)   8623101 CAUTION When   removing,   handling,   or   installing   clutch   pack,   keep   all   clutch   disks   and plates   in   the   same   order   and   facing   the   same   way.   Waler   heat   and   pressure clutch   plates   can   take   on   a   conical   shape,   called   coning.   Each   plate   will   differ in   degree   of   coning.   When   coned   plates   are   mixed   or   turned   over,   they   cannot seat   properly   against   each   other.   This   can   prevent   plates   from   making adequate   surface   contact   with   each   other   for   the   clutch   pack   to   operate effectively. When   one   clutch   disk   or   plate   needs   to   be   replaced,   replace   the   entire   clutch pack.   hdividual   clutch   plates   should   not   be   replaced   because   such   new   plates will   not   have   the   surface   contour   of   adjoining   older   plates,   decreasing effectiveness   of   the   clutch   pack Clutch   assemblies   function   in   pairs.   When   one   clutch   pack   fails,   a   second clutch   pack   will   often   be   defective. Failure   of   one   clutch   pack   requires inspection   of   all   clutch   assemblies   in   the   range   pack. Go   to   Sheet   13 4-202 Para.   4-29,   Task   5


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