TM    5-2815-241-34&P Section IX. CAMSHAFT AND TIMING SYSTEM MAINTENANCE OVERVIEW The  following  paragraphs  provide  maintenance  instructions  for  the  camshaft  and  timing  system  of  the NTC-290  diesel  engine.  For  camshaft  bearing  repair,  see  section  V,  page  2-140. Page Page Cam  Follower   Assembly.............................. 2-254 Rocker Arm Housing and Camshaft and Gear Assembly..................... 2-238 Push  Rod  .............................................. 2-242 CAMSHAFT  AND  GEAR  ASSEMBLY This  task  covers: a.  Cleaning  (page  2-238) c.  Disassembly  (page  2-239) b.  Inspection  (page  2-239) d.  Assembly  (page  2-240) INITIAL  SETUP Tools Materials/Parts Gage,  thickness Key,  hex,  3/16-inch Mandrel  and  block  ST-691 Micrometer,  1-  to  2-inch Micrometer,  0-  to  1-inch Mittens,  cloth,  heat-protective Press,  arbor V-blocks Key,  machine,  camshaft  gear Rags,  wiping  (item  14,  appendix  B) Equipment   Condition Camshaft  and  gear  removed  (page  2-48). References TM  55-1500-335-23,  Inspection  Methods, Non-Destructive ACTION LOCATION ITEM REMARKS CLEANING NOTE For  general  cleaning  procedures,  see  General  Maintenance  Instructions,  page  2-3. 2-238 Change  1