TM 9-2320-209-34-2-2 i. Adjustment (1) First reduction drive gear. FRAME 1 1. Working through shaft hole in power leveler mounting flange (1), check that front edge of intermediate case first reduction drive gear (2) is alined with front edge of drive clutch and brake first reduction drive pinion (3) as shown. IF GEARS ARE NOT ALINED, GO TO FRAME 2. IF GEARS ARE ALINED , GO TO FRAME 3 17-550