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 TM 9-2320-211-34-2-1
(4) Backlash check.
FRAME 1
NOTE
T h i s frame tells how to check backlash for all gears. Do
t h i s frame when measuring backlash for each set of gears
i n frames 2 through 4.
M o u n t dial indicator on housing and set stem against side of gear tooth (1)
1.
as shown.
NOTE
W h e n measuring backlash, make sure gear (2) does not
t u r n . I f gear turns, b a c k l a s h readings will be wrong.
2.
T u r n gear (3) away from dial indicator until gear tooth (4) touches gear
t o o t h (5) as shown in view A.
Set dial indicator to read 0.
3.
T u r n gear (3) towards dial indicator until gear tooth (6) touches other s i d e
4.
o f gear tooth (5) as shown in view B.
C h e c k that dial indicator readings are within wear limits given for each s e t
5.
of gears.
GO TO FRAME 2
VIEW B
VIEW A
TA 087357
7-13
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