TM 9-2520-246-34-1 2-8. WEAR LIMIT INSPECTION. The following paragraphs give instructions for checking the minimum and maximum wear limits for each subassembly to which a part or parts may be worn before a new part is needed. a. Input Shaft Assembly. FRAME 1 1. Measure 2. Measure 3. Measure 4. Measure NOTE Readings must be within limits given in table 2-3. If readings are not within given limits, throw away part and get a new one. bearing inside diameter (1) and out side diameter (2). bearing journal diameter (3). pilot diameter (4). width of splines (5). GO TO FRAME 2 Table 2-3. Input Shaft Assembly Wear Limits Index Number 1 2 3 4 5 Item/Point of Measurement Bearing inside diameter Bearing outside diameter Bearing journal diameter Pilot diameter Spline width Size and Fit of New Parts (inches) 1.5748 to 1.5753 3.5427 to 3.5433 1.5748 to 1.5752 0.7465 to 0.7475 0.229 to 0.231 Wear Limit (inches) None None None 0.020 0.015 2-49