Inspection
INSPECTIONOutput shaft, output gear, idler gear and reduction gear
- Check shafts for cracks, wear or bending.
- Check gears for wear, chips and cracks.
Bearings
- Make sure bearings roll freely and are free from noise, cracks, pitting or wear.
- When replacing taper roller bearing, replace inner and outer 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)
Wear limit: 0.25 mm (0.0098 in)
- If not within wear 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)
Wear limit: 0.25 mm (0.0098 in)
- If not within wear limit, replace bearing retainer.