TM 9-2320-361-34 16-4. REAR WINCH REPAIR (M764) (Contd) f. Cleaning and Inspectim 1. For general cleaning instructions, refer to para. 2-8. 2. For general inspection instructions, refer to para. 2-9. 3. 4. 5. 6. Inspect two reduction bearing sleeves (1), second reduction bearing sleeve (2), and first reduction bearing sleeve (3) for wear. Refer to table 16-3, M764 Rear Winch Wear Limits, for measurements. Replace if worn past limits. Inspect two drum bushings (4), drum shaft bushing (5), two thrust collars (6), and worm gear housing cap bushings (7) for wear. Refer to table 16-3, M764 Rear Winch Wear Limits, for measurements. Replace if worn past limits. Inspect two horn sprocket bearing sleeves (8), horn roller bearing sleeves (9), and horn roller bearing sleeves (10) for wear. Refer to table 16-3, M764 Rear Winch Wear Limits, for measurements. Replace if worn past limits. Inspect four thimble springs (11), thimble spring (12), detent spring (13), and clutch spring (14) for wear. Refer to table 16-3, M764 Rear Winch Wear Limits, for measurements. Replace if worn past limits. 7. Inspect two brake linings (15) and clutch lining (16) for wear. Refer to table 16-3, M764 Rear Winch Wear Limits, for measurements. Replace if worn past limits. 8. Inspect bearing (17) (TM 9-214). Replace bearing (17) if worn or damaged. Table 16-3. M764 Rear Winch Wear Limits. ITEM WEAR LIMITS/TOLERANCES NO. ITEM/POINT OF MEASUREMENT INCHES MILLIMETERS 1 Reduction sleeves: Inner diameter 0.875-0.876 22.22-22.25 Outer diameter 1.127-1.128 28.6-28.7 2 Second reduction bearing sleeve: Inner diameter 1.00-1.001 25.4-25.42 Outer diameter 1.127-1.128 28.6-28.65 3 First reduction bearing sleeve: Inner diameter 0.752-0.753 19.10-19.13 Outer diameter 1.127-1.128 28.6-28.65 4 Drum bushings: Inner diameter 2.446-2.448 62.13-62.18 Outer diameter 3.001-3.002 76.23-76.25 5 Drum shaft bushing: Inner diameter 2.446-2.448 62.13-62.18 Outer diameter 3.00-3.002 76.2-76.25 6 Thrust collars (inside diameter) 2.439-2.442 61.95-62.02 7 Worm gear cap bushings: Inner diameter 2.446-2.448 62.13-62.18 Outer diameter 3.00-3.002 76.2-76.25 8 Horn sprocket bearing sleeves: Inner diameter 1.253-1.254 31.83-31.85 Outer diameter 1.503-1.504 38.18-38.2 9 Horn roller bearing sleeves: Inner diameter 0.501-0.502 12.73-12.75 Outer diameter 0.752-0.753 19.1-19.13 10 Horn roller bearing sleeves: Inner diameter 0.51-0.53 12.95-13.46 Outer diameter 1.0 25.4 16-38