TM 9-2320-209-34-2-3
FRAME 4
NOTE
Readings must be within limits given in table 18-8.
The letter L indicates a loose fit.
If readings are not
within given limits, throw away part and get a new one.
Measure outside diameter of idler sprocket shaft (1).
Measure inside diameter of sprocket bearing (2).
Measure fit of bearing (2) on idler sprocket shaft (1).
Measure inside diameter of sprocket bearing (3).
Measure outside diameter of output shaft (4).
Measure fit of bearing (3) on output shaft (4).
GO TO FRAME 5
Table 18-8. Rear Winch(Second Reduction Drive Assembly)Wear Limits
Index
Number
1
1 and 2
2
3
3 and 4
4
Item/Point of Measurement
Outside diameter of idler sprocket
shaft
Fit of bearing on idler shaft
Inside diameter of sprocket shaft
bracket bushing-type bearing
Inside diameter of sprocket
bushing-type bearing
Fit of bearing on speed reducer
output shaft
Outside diameter of speed reducer
output shaft
Size and Fit
of New Parts
(inches)
0.873 to 0.875
0.001L to 0.005L
0.875 to 0.876
1.000 to 1.001
0.001L to 0.004L
0.099
to 1.000
Wear Limit
(inches)
0.863
to
0.865
None
0.886 to 0.888
1.001 to 1.010
None
None
18-102