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If 3-4 synchro was disassembled for service, reassem- 24. Align and install synchro sleeve (3) on hub (4). Front side of hub has a narrow groove 25. Start 3-4 synchro (1) assembly on mainshaft with the hub groove (2) and sleeve groove both facing 26. Verify 3-4 synchro hub is seated on shaft with approximately 3 mm (0.125 in.) of shaft spline vis- NOTE: If hub is not seated, stop ring lugs are misaligned. Rotate ring until lugs are engaged in 3-4 hub 27. Verify that second and third gear rotate freely at this point. If not, determine the cause and correct. 28. Invert mainshaft in case or bench. 29. Install first gear bearing on mainshaft. 30. Install first gear (1) on shaft with clutch hub side of gear facing the front of shaft. 1-2 synchro hub 31. Install reverse clutch gear (3) on first gear. Verify clutch gear is seated on shaft splines. 32. Install reverse clutch gear snap ring (2) with heavy duty snap ring pliers. Reverse gear will not 21 - 36 MANUAL TRANSMISSION - NV4500 - SERVICE INFORMATION DR/DH |