Output Shaft Assy.
COMPONENTS
DISASSEMBLY
1. Remove seal rings from output shaft and bearing retainer.
2. Remove output shaft bearing with screwdrivers.
- Always replace bearing with a new one when removed.
- Do not damage output shaft.
3. Remove snap ring from bearing retainer.
4. Remove needle bearing from bearing retainer.
5. Remove idler gear bearing inner race from idler gear.
6. Remove idler gear bearing outer race from transmission case.
7. Press out reduction gear bearing inner race from reduction gear.
8. Remove reduction gear bearing outer race from transmission case.
INSPECTION
Output shaft, idler gear and reduction gear
- Check shafts for cracks, wear or bending.
- Check gears for wear, chips and cracks.
Bearing
- Make sure bearings roll freely and are free from noise, cracks, pitting or wear.
- When replacing taper roller bearing, replace outer and inner race as a set.
Seal ring clearance
- Install new seal rings to output shaft.
- Measure clearance between seal ring and ring groove of output shaft.
Standard clearance: 0.10 - 0.25 mm (0.0039 - 0.0098 in)
Allowable limit: 0.25 mm (0.0098 in)
- If not within allowable limit, replace output shaft.
- Install new seal rings to bearing retainer.
- Measure clearance between seal ring and ring groove of bearing retainer.
Standard clearance: 0.10 - 0.25 mm (0.0039 - 0.0098 in)
Allowable limit: 0.25 mm (0.0098 in)
- If not within allowable limit, replace bearing retainer.
ASSEMBLY
1. Press reduction gear bearing inner race on reduction gear.
2. Install reduction gear bearing outer race on transmission case.
3. Press idler gear bearing inner race on idler gear.
4. Install idler gear bearing outer race on transmission case.
5. Press output shaft bearing on output shaft.
6. Press needle bearing on bearing retainer.
7. Install snap ring to bearing retainer.
8. After packing ring grooves with petroleum jelly, carefully install new seal rings on output shaft and bearing retainer.
- Roll paper around seal rings to prevent seal rings from spreading.