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 TM 9-2320-211-34-2-1
FRAME 4
NOTE
R e a d i n g s must be within limits given in table 7-3. If
r e a d i n g s are not within given limits, throw away both
g e a r s and get new ones. S o m e gears on countershaft
c a n n o t be taken off. I f these gears are damaged, throw
a w a y countershaft and get a new one.
1.
M e a s u r e backlash between t h i r d speed gear (1) and countershaft third speed
gear (2).
2.
M e a s u r e backlash between t h i r d s p e e d g e a r ( 1 ) a n d s y n c h r o n i z e r ( 3 ) .
M e a s u r e backlash between f o u r t h s p e e d g e a r ( 4 ) a n d c o u n t e r s h a f t f o u r t h
3.
gear (5).
4.
M e a s u r e backlash between f o u r t h s p e e d g e a r ( 4 ) a n d s y n c h r o n i z e r ( 6 ) .
M e a s u r e backlash between i n p u t g e a r ( 7 ) a n d s y n c h r o n i z e r ( 6 ) .
5.
M e a s u r e backlash between i n p u t g e a r ( 7 ) a n d c o u n t e r s h a f t i n p u t g e a r ( 8 ) .
6.
END OF TASK
TA 087360
Transmission Input Gear and Third and Fourth
Speed Gear Backlash Wear Limits
Size and Fit
Index Number
of New Parts
Wear Limits
Item/Point of Measurement
(inches)
(inches)
1 and 2
T h i r d speed gear to counter-
0 . 0 0 6 to 0.009
None
shaft third speed gear
1 and 3
Third speed gear to synchronizer
0 . 0 0 4 to 0.009
None
F o u r t h speed gear to counter
4 and 5
0 . 0 0 6 to 0.009
None
shaft fourth gear
Fourth speed gear to synchronizer
4 and 6
0 . 0 0 4 to 0.009
None
6 and 7
Input gear to synchronizer
0 . 0 0 4 to 0.009
None
7 and 8
I n p u t gear to countershaft input
0 . 0 0 6 to 0.009
None
gear
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