TM 10-3930-669-20 CHAPTER 14 FRAME MAINTENANCE Para Contents Page 14-1 Introduction...................................................................................................................................... 14-1 14-2 Load Rest Replacement .................................................................................................................. 14-2 14-3 Side Shift Rod Scraper Replacement............................................................................................... 14-4 14-4 Side Shift Chain Adjustment ............................................................................................................ 14-7 14-1.  INTRODUCTION. This  chapter  contains  maintenance  instructions  for  removing,  replacing,  repairing,  and  installing  frame  components authorized by the Maintenance Allocation Chart (MAC) at the Unit Maintenance level. 14-1