TM 9-2320-209-20-3-4 c. Automatic Brake Test and Adjustment. FRAME 1 Soldier A 1. Park truck (1) with winch to be tested at top of steep grade as shown. Refer to TM 9-2320-209-10. Sit in cab throughout this task with engine running. GO TO FRAME 2 TA 080941 19-4