TM-9-2320-365-34-2 LMTV Direct Maintenance Manual M1078 Series - Volume 2 Download
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TM 9-2320-365-34-2 d. Bearing Preload Adjustment. (1) Rotate transfer case housing (1) until transfer case cover (2) is facing up. NOTE Center idler gear, lower drive gear, and upper drive gear end play readings are measured the same way. Perform the following steps to measure end play for all three gears. (2) Install dial indicator on transfer case cover (2). (3) Adjust dial indicator to read zero. NOTE Upward force on bearing collar is required to obtain end play reading. For lower and upper drive gear bearings, apply upward force from the bottom side. For idler gear bearing, a bolt and large washer are installed in threaded end of idler gear shaft. Upward force is applied by lifting up on the washer. (4) Apply upward force sufficient to fully seat bearing (3). (5) The dial reading at this point is the preliminary end play which exists with the shim(s) of 0.076 in. (1.930 mm). (6) Measure end play of bearing (3). Reading should be 0.001-0.005 in. (0.0254-0.127 mm). 22-21