TM 9-2520-246-34-1 g. Transfer Case and Covers. FRAME 1 NOTE Readings must be within limits given in table 2-28. If readings are not within get a new one. 1. Measure shifter shaft bore (1). 2. Measure input shaft front bearing given limits, throw away part and bore (2). 3. Measure countershaft front bearing bore (3). 4. Measure rear output shaft front bearing bore (4). GO TO FRAME 2 Index Number 1 2 3 4 Table 2-28. Transfer Cover Bearing Bores Wear Limits 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) 0.9995 to 1.0015 4.3305 to 4.3315 3.998 to 3.999 4.4355 to 4.4365 Wear Limit (inches) 1.0022 4.3320 4.00 4.4375 2-188