TM 10-3930-669-34 CHAPTER 13 FRAME MAINTENANCE Para Contents Page 13-1 Introduction............................................................................................................................................ 13-1 13-2 Mast Assembly Replacement/Repair .................................................................................................... 13-2 13-3 Carriage Replacement/Repair............................................................................................................... 13-27 13-4 Frame Counterweight Replacement...................................................................................................... 13-33 13-5 Counterweight Replacement ................................................................................................................. 13-39 13-1.  INTRODUCTION. This   chapter   contains   maintenance   instructions   for   removing,   replacing,   repairing,   and   installing   frame   components authorized by the Maintenance Allocation Chart (MAC) at the Direct Support and General Support Maintenance level. 13-1

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