JLG 660AJ Service Manual - Manual (Page 245)

SECTION 5 - HYDRAULICS
3121616 – JLG Lift – 5-65
Figure 5-124. Gauge Port Locations
1. System Pressure Gauge Port M2 7. Case Drain Port L2
2. System Pressure Port B 8. Servo Pressure Gauge Port L4
3. System Pressure Port A 9. Case Drain Port L1
4. System Pressure Gauge Port M1 10. Case Drain Port L1 (non-feedback)
5. Servo Pressure Gauge Port M5 11. Charge Pressure Gauge
6. Case Drain Port L2 (non-feedback) 12. Charge Pump Inlet Port S