TM 9-2320-209-34-2-2 FRAME 3 1. Working through shaft hole in power leveler mounting flange (1), put mounting dial indicator on housing and set stem against side of feed gear and hub assembly tooth (2) as shown. NOTE When measuring backlash, make sure first reduction feed pinion (3) does not turn. If pinion turns, backlash read- ings will be wrong. 2. Turn feed gear and hub assembly (4) away from dial indicator until feed gear and hub assembly tooth (5) touches pinion tooth (6) as shown in view A. 3. Set dial indicator to read 0. 4. Turn feed gear and hub assembly (4) toward dial indicator until feed gear and hub assembly tooth (7) touches other side of pinion tooth (6) as shown in view B. Note reading on dial indicator. IF READING ON DIAL INDICATOR IS NOT 0.006 TO 0.020 INCH, GO TO FRAME 4. IF READING ON DIAL INDICATOR IS 0.006 TO 0.020 INCH, END OF TASK 17-556