TM 9-2320-209-34-1 CHAPTER 20 REAR WINCH (M756A2) SYSTEM TROUBLESHOOTING 20-1. EQUIPMENT ITEMS COVERED. This chapter gives equipment troubleshooting procedures for the M756A2 rear winch system, for which there are authorized correc- tive maintenance tasks at the direct support and general support maintenance level. 20-2. EQUIPMENT ITEMS NOT COVERED. All equipment items for which corrective maintenance is authorized at the direct support and general support maintenance level are covered in this chapter. 20-1