TM 10-3930-669-20 CHAPTER 8 TRANSMISSION SYSTEM MAINTENANCE Para Contents Page 8-1 Introduction............................................................................................................................. 8-1 8-2 Transmission Oil and Filter Replacement................................................................................ 8-2 8-3 Transmission AOAP Valve Replacement ................................................................................ 8-6 8-4 Transmission Oil Cooler and Hose Replacement .................................................................... 8-7 8-5 Transmission Oil Filter Adapter Replacement ......................................................................... 8-17 8-1.  NTRODUCTION. This    chapter    contains    maintenance    instructions    for    removing,    replacing,    repairing,    and    installing    transmission components authorized by the Maintenance Allocation Chart (MAC) at the Unit Maintenance level. 8-1