TM 9-2320-209-34-2-3 FRAME 3 NOTE Readings must be within limits given in table 18-7. The letter L indicates a loose fit. If readings are not within given limits throw away part and get a new one. 1. Measure outside diameter of speed reducer input shaft (1). 2. Measure inside diameter of sprocket shaft bearing (2). 3. Measure fit of bearing (2) on speed reducer input shaft (1). 4. Measure inside diameter of sprocket shaft bracket bearing (3). 5. Measure outside diameter of idler sprocket shaft (4). 6. Measure fit of bearing (3) on idler shaft (4). GO TO FRAME 4 Table 18-7. Rear Winch (First Reduction Drive Assembly)Wear Limits Index Number 1 1 and 2 2 3 3 and 4 4 Item/Point of Measurement Outside diameter of speed reducer input shaft Fit of bearing on speed reducer input shaft Inside diameter of sprocket shaft bracket bushing-type bearing Inside diameter of sprocket shaft bracket bushing-type bearing Fit of bearing on idler shaft Inside diameter of sprocket shaft bracket bushing-type bearing Size and Fit of New Parts (inches) 0.749 to 0.750 0.001L to 0.004L 0.752 to 0.753 0.875 to 0.876 0.001L to 0.005L 0.752 to 0.753 Wear Limit (inches) None None 0.762 to 0.763 0.885 to 0.886 None 0.762 to 0.763 18-101