Overhaul
DISASSEMBLY AND REASSEMBLY
DISASSEMBLY SERVICE POINTS
<> MAIN SHAFT/BEARING REMOVAL
1. After special tool MB990560 has been installed as shown, tighten the nut of special tool MB990560 until portion "A" of special tool MB990560 touches the bearing outer race.
CAUTION: Do not allow the mainshaft to drop.
2. Press out the mainshaft from the bearing.
<> CLUTCH GEAR/BEARING REMOVAL
1. Use a press and steel plate to remove the clutch gear and bearing together.
2. Using a press, hold the supports against the bearing inner race, and separate the clutch gear and bearing.
REASSEMBLY SERVICE POINTS
>>A<< OIL SEAL INSTALLATION
Use the special tool MB991168 to tap the oil seal until it is flush with the clutch housing.
>>B<< BEARING/CLUTCH GEAR INSTALLATION
1. Use the special tool MB990799 to press-fit the bearing to the shoulder of the clutch gear.
CAUTION: Place the special tool against the outer race of the bearing.
2. Use the special tools MB990890 or MB990891 to press-fit the bearing to the side of the clutch housing.
>>C<< OIL SEAL INSTALLATION
Use special tools MB990938, MB990926 to tap the oil seal.
>>D<< SPRING PIN INSTALLATION
Tap the spring pin from the chamfered side of the shift rod until the projection length is 1 - 2 mm (0.04 - 0.08 inch).
>>E<< BEARING INSTALLATION
Press-fit the bearing to the shoulder of the mainshaft.