TM 9-2320-209-34-2-3 c. Cleaning. There are no special cleaning procedures needed. Refer to clean- ing procedures given in Part 1, para 1-3. d. Inspection and Repair. FRAME 1 1. 2. 3. 4. NOTE Readings must be within limits given in table 18-1. If readings are not within given limits, throw away part and get a new one. Check that drum shaft (1) has no nicks or burrs. Take off nicks and burrs with a honing stone. If more repair is needed, throw shaft away. Measure outer diameter of drum shaft (1). Measure inside diameter of two drum bushing type bearings (2). Check that teeth of drum shaft gear (3) are not broken, chipped or scored. If gear is damaged, get a new one. GO TO FRAME 2 Table 18-1. Front Winch (Drum Shaft and Bearing) Wear Limits Size and Fit Index of New Parts Wear Limit Number Item/Point of Measurement (inches) (inches) 1 Drum shaft outer diameter 1.8730 to 1.8750 1.8710 2 Drum bushing type bearing inside diameter 1.8770 to 1.8800 1.8950 18-15