TM 9-2320-209-34-2-2
FRAME 3
1.
2.
3.
4.
Working through boring case inspection hole (1), mount dial indicator on
housing and set stem against side of rack feed idler gear tooth (2) as shown.
NOTE
When measuring backlash, make sure second reduction feed
pinion (3) does not turn. If pinion turns, backlash readings
will be wrong.
Turn idler gear (4) away from dial indicator until idler gear tooth (5) touches
pinion tooth (6) as shown in view A.
Set dial indicator to read 0.
Turn idler gear (4) toward dial indicator until idler gear tooth (7) touches
other side of pinion tooth (6) as shown in view B. Note reading & dial
indicator.
IF READING ON DIAL INDICATOR IS NOT 0.011 TO 0.034 INCH, GO TO FRAME 4.
IF READING ON DIAL INDICATOR IS 0.011 TO 0.034 INCH, END OF TASK
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