Main Shaft Assembly: Assembly
NOTE:
- Match the alignment marks, and install the coupling sleeve and then install the shifting insert.
- Make sure that there is no large clearance at both sides of the shifting insert after assembly.
- Install the 3rd needle bearing, 3rd drive gear, 3rd outer baulk ring, 3rd synchro cone, 3rd inner baulk ring and 3rd-4th synchronizer hub.NOTE:
- Install the 3rd-4th synchronizer hub in the correct direction.
- Align the protrusion of the 3rd outer baulk ring into the groove of the 3rd-4th synchronizer hub.
- Install the 4th needle bearing race using ST1, ST2, ST3 and a press.CAUTION: Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).
Special tool:
ST1: 899714110 REMOVER
ST2: 499877000 RACE 4-5 INSTALLER
ST3: 398177700 INSTALLER
- Install the 3rd-4th coupling sleeve.NOTE:
- Install the 3rd-4th coupling sleeve in the correct direction.
- Align the alignment marks of 3rd-4th coupling sleeve and the 3rd-4th synchronizer hub.
- Install the 3rd-4th shifting insert.NOTE: Press in the ball part to install.
- Install the 4th baulk ring, 4th needle bearing, 4th drive gear and 4th gear thrust washer.NOTE:
- Align the protrusion of the 4th baulk ring into the groove of the 3rd-4th synchronizer hub.
- Install the 4th gear thrust washer with the groove side facing the 4th drive gear.
- Install a new double taper roller bearing using the ST1, ST2 and a press.CAUTION:
- Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).
- Install the double taper roller bearing with its snap ring side facing the 5th drive gear side.
Special tool:
ST1: 899714110 REMOVER
ST2: 499877000 RACE 4-5 INSTALLER
- Make sure that the double taper roller bearing turns smoothly.
- Install the 5th needle bearing race using ST1, ST2 and a press.CAUTION: Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).
Special tool:
ST1: 899714110 REMOVER
ST2: 499877000 RACE 4-5 INSTALLER
- Install the 5th needle bearing, 5th drive gear, 5th baulk ring, and 5th-6th synchronizer hub.NOTE:
- Align the protrusion part of the 5th baulk ring with the groove of the 5th-6th synchronizer hub.
- Install the 5th-6th synchronizer hub in the correct direction.
- Install the 6th needle bearing race using ST1, ST2 and a press.CAUTION: Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).
Special tool:
ST1: 899714110 REMOVER
ST2: 499877000 RACE 4-5 INSTALLER
- Install the 5th-6th coupling sleeve.NOTE:
- Install the 5th-6th coupling sleeve in the correct direction.
- Align the alignment marks of 5th-6th coupling sleeve and the 5th-6th synchronizer hub.
- Install the 5th-6th shifting insert.NOTE: Press in the ball part to install.
- Install the 6th baulk ring, 6th drive gear and 6th needle bearing.
- Using the ST2 and a press, install the ball bearing.CAUTION: Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).NOTE: Install the ball bearing with the side which does not have lock nut mounting dent facing 6th drive gear.
Special tool:
ST1: 899714110 REMOVER
ST2: 899754112 PRESS
- Install a new lock washer.CAUTION: Make sure the lock washer is facing the correct direction.
- Install a new lock nut using the ST1 and ST2.
Tightening torque:
160 N.m (16.3kgf-m, 118.0ft-lb)
Special tool:
ST1: 498937000 TRANSMISSION HOLDER
ST2: 499987003 SOCKET WRENCH (35)
- Crimp the lock nut at two locations so that the dimension (B) becomes 23.3 mm (0.92in) or less.CAUTION: When crimping the lock nut, be careful not to crack it.