TM 9-2520-246-34-1 e. Transfer Case and Covers. FRAME 1 1. 2. 3. 4. GO NOTE Readings must be within limits given in table 2-48. If readings are not within given limits, throw away part and get a new one. Measure shifter shaft bore (1). Measure input shaft front bearing bore (2). Measure countershaft front bearing bore (3). Measure rear output shaft front bearing bore (4). TO FRAME 2 Table 2-48. Transfer Cover Bearing Bores Wear Limits Index Number 1 2 3 4 Item/Point of Measurement Shifter shaft housing bore Input shaft front bearing bore Countershaft front bearing bore Rear output shaft front bearing bore Size and Fit of New Parts (inches) 1.000 to 1.0012 4.3300 to 4.3309 3.9980 to 3.9990 4.4355 to 4.4365 Wear Limit (inches) 1.0020 4.3316 4.000 4.4375 2-209