Komatsu 80001 - Swing Circle

10 Structure, function and maintenance standard SEN03771-01
PC130-8
3
Swing circle 1
2. Swing circle bearing lubrication
3. Swing circle pinion lubrication
4. Outer race
5. Ball
6. Seal
7. Inner race (Number of teeth: 90)
a. Inner race soft zone position
b. Outer race soft zone position
Specifications
Unit: mm
No. Item Criteria Remedy
1 Bearing clearance
Basic clearance Clearance limit
Replace
0.5 – 1.6 2.6
Reduction ratio 90/11=8.182
Grease G2-LI
Grease quantity (l) 9.1