JLG 600A Service And Maintenance Manual page 170

1. Center Body
2. Seal
3. Housing
4. O-ring
5. Seal
Built Machines, SN 0300138649 to Present and SN B300000100 to Present)
3121201
Figure 3-70. Rotary Coupling Cutaway (USA Built Machines and China
SECTION 3 - CHASSIS & TURNTABLE
6. Thrust Ring
7. Snap Ring
8. Valve Block (Axle Oscillation)
9. O-ring
10. Proximity Switch
3-111