TM 9-2520-246-34-1 FRAME 2 1. 2. 3. 4. 5. 6. 7. GO Measure Measure Measure Measure Measure Measure Measure NOTE Readings must be within limits given in table 2-39. If readings are not within given limits, throw away part and get a new one. reverse shift collar groove width (l). reverse shift shaft fork thickness (2). rear outer race inside diameter (3). rear sprag unit width (4). front sprag unit width (5). front outer race inside diameter (6). free length of spring (7) and spring length at pressures given in table 2-39. TO FRAME 3 Table 2-39. Front Output Shaft Sprag Unit Wear Limits Index Number 1 2 3 4 5 6 7 7 Item/Point of Measurement Shift Shift Rear Rear collar groove width shaft fork thickness race inside diameter sprag unit width Front sprag unit width Front race inside diameter Spring free length Spring length at pressure Size and Fit of New Parts (inches) 0.6060 to 0.6100 0.5705 to 0.5665 3.8338 to 3.8348 0.3770 to 0.3780 0.3770 to 0.3780 3.8338 to 3.8348 2.290 to 2.440 2 3/32 at 12 to 18 pounds 1 l/2 at 41 to 44 pounds Wear Limit (inches) 0.6180 0.5590 3.8378 0.3750 0.3750 3.8378 None None None 2-199