Quantcast MALFUNCTION,   TEST   OR   INSPECTION,   AND   CORRECTIVE   ACTION   PROCEDURES (Continued) - TM-9-2520-272-34P_48

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TM  9-2520-272-34&P   2-4.   MALFUNCTION,   TEST   OR   INSPECTION,   AND   CORRECTIVE   ACTION   PROCEDURES (Continued) MALFUNCTION TEST  OR  INSPECTION   CORRECTIVE   ACTION 10. TRANSMISSION   SHIFTS   ARE   ERRATIC   (Continued) GENERAL   SUPPORT.   The   following   maintenance   action   is   indicated: Repair   Area: A   problem   in   the   range   clutch   area   of   the   transmission   is   indicated,   with   the probability   that   the   forwad   (C-1)   clutch   and   related   components   are   affected. Repair   Procedure   Reference: Refer  to  para.  4-28  for  forward  (C-1)  clutch  maintenance  tasks. 11. VEHICLE   DOES   NOT   ATTAIN   HIGH   SPEED PRELIMINARY   TROUBLESHOOTING.   Organizational   maintenance   determined: Brake   release   was   normal   and   complete. Lockup   pressure   was   outside   of   specified   limits. Step   1. Replace   lockup   control   valve   assembly   in   accordance   with   para.   4-5 and   check   lockup   pressure   in   accordance   with   para.   2-6   while operating   vehicle   on   level,   flat   terrain   with   engine   speed   at   2500   rpm and   shift   lever   at   1-4   position. Lockup  pressure  must  be  140-160  psi (965-1103   kPa). a.   If   lockup   pressure   is   normal,   go   to   Step   5. b   If   lockup   pressure   is   outside   of   specified   limits   replace   control   valve assembly   in   accordance   with   para.   4-5   and   go   to   Step   2. Step   2. Recheck   lockup   pressure. a.   If   lockup   pressure   is   normal,   go   to   Step   5. b.   If   lockup   pressure   is   outside   of   specified   limits   go   to   Step   3. Step   3. Check   governor   one   (G1)   pressure   in   accordance   with   para.   2-6   with engine   speed   at   2000   rpm   and   shift   lever   at   1-4   position.   Operate vehicle   over   level,   fIat   terrain.   G1   pressure   must   be   72-84   psi (496-579 kPa)   a.  If  G1  pressure  is  normal,  go  to  Step  4. b.  If  G1  is  outside  of  specified  limits,  transmission  is  defective  beyond  the level   of   Direct   Support   Maintenance.    Separate   transmission   from   power pack   in   accordance   with   TM   9-1450-300-34   or   TM   9-2350-277-34   and   send to  General  Support. Para.   2-4 2-13


 


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