JLG 601S Service Manual - Manual (Page 172)

SECTION 5 - HYDRAULICS
5-22 – JLG Lift – 3120866
1. Front Steer Left Relief
2. Front Steering Left
3. Swing Left
4. Upper Lift Down Relief
5. Main Relief
6. Lift Up 7. Flow Control
8. Tele In
9. Platform Rotate Left
10. Platform Level Down Relief
11. Platform Level Up
Figure 5-21. Main Control Valve - Sheet 2 of 2