TM 9-2520-246-34-1 FRAME 4 NOTE 2. 1. 3. 4. 5. Readings must be within limits given in table 2-8. The letter L indicates a loose fit and the letter T indicates a tight fit. If readings are not within given limits, throw away part and get a new one. Measure fit of Measure fit of Measure fit of Measure fit of Measure fit of internal gear (1) on synchronizer (2). synchronizer (2) on mainshaft splines (3). fifth gear (4) on sleeve (5). sleeve bore (6) on mainshaft splines (3). third gear (7) on mainshaft journal (8). GO TO FRAME 5 Table 2-8. Mainshaft Fifth and Third Gear Fits and Tolerances Index Number 1 and 2 2 and 3 4 and 5 6 and 3 7 and 8 Item/Point of Measurement Fit of internal gear on synchronizer Fit of synchronizer on main- shaft splines Fit of fifth gear on sleeve Fit of sleeve bore on main- shaft splines Fit of third gear on main- shaft journal Size and Fit of New Parts (inches) 0.004 to 0.009 0.0041 to 0.0076 0.004L to 0.005L 0.000 to 0.001T 0.0035L to 0.0045L Wear Limit (inches) 0.018 0.010L 0.008L None 0.010L 2-54