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