New Holland E215B, E215BLC Hydraulic Excavator Shop Manual 87731205

Description

• Model List:
  • E215B Hydraulic Excavator
  • E215BLC Hydraulic Excavator

• 1. F0022_A3.pdf
• 1.1. PUMP POSITIVE FLOW CONTROL
• 1.2. PUMP PQ CURVE CONTROL OPERA TION
• 1.3. AUTO ACCELERATION OPERATION
• 1.4. STANDBY CURRENT CONSTANT CON TROL
• 1.5. BUCKET DIGGING AND TRAVEL STRAIGHT CONFLUENCE (CONFLUX) MAIN CIRCUIT
• 1.6. BUCKET SPOOL STROKE LIMITER
• 1.7. PRESSURE DRAINING (RELEASING) CIRCUIT
• 1.8. PRESSURE RELIEVING PILOT CIRCUIT
• 1.9. PRESSURE RELEASE MAIN CIRCUIT
• 1.10. HYDRAULIC SYSTEM
• 1.11. SUMMARY
• 1.12. HYDRAULIC CIRCUITS AND COMPONENTS
• 1.13. STANDARD
• 1.14. NB SPECIFICATION (OPTION)
• 1.15. COLOR CODING STANDARD FOR HYDRAULIC CIRCUITS
• 1.16. NEUTRAL CIRCUIT
• 1.17. OPERATION OF BYPASS CUT VALVE AND UNLOADING VALVE HOUSED IN CONTROL VALVE
• 1.18. SAFETY LOCK LEVER AND PILOT CIR CUIT
• 1.19. TRAVEL CIRCUIT
• 1.20. TRAVEL FORWARD PILOT SIMULTA NEOUS OPERATION CIRCUIT
• 1.21. SPEED TRAVEL SOLENOID COMMAND CIRCUIT AND AUTO 1st SPEED RETURN FUNCTION
• 1.22. TRAVEL MAIN CIRCUIT
• 1.23. TRAVEL MOTOR FUNCTION
• 1.24. BUCKET CIRCUIT
• 1.25. PILOT CIRCUIT FOR BUCKET DIGGING
• 1.26. BOOM CIRCUIT
• 1.27. BOOM RAISE PILOT CIRCUIT
• 1.28. BOOM UP 2 PUMPS CONFLUX MAIN CIR CUIT IN C/V
• 1.29. BOOM DOWN PILOT CIRCUIT
• 1.30. PREVENTION OF NATURAL FALL BY LOCK VALVE AND ACTUATION AT LOW ERING
• 1.31. CONSTANT RECIRCULATION FUNCTION OF BOOM DOWN MAIN CIRCUIT
• 1.32. SWING CIRCUIT
• 1.33. PILOT CIRCUIT FOR LEFT SWING
• 1.34. SWING AUTO PARKING BRAKE
• 1.35. SWING MAIN CIRCUIT
• 1.36. SWING MOTOR CIRCUIT
• 1.37. ARM CIRCUIT
• 1.38. ARM IN, LIGHTLOAD OPERATING PILOT CIRCUIT
• 1.39. ARMIN, LIGHTLOAD VARIABLE NOR MAL RECIRCULATION, INTERNAL CON FLUX MAIN CIRCUIT
• 1.40. ARM IN, HEAVY LOAD OPERATING PI LOT CIRCUIT
• 1.41. ARM IN, HEAVY LOAD OPERATING RE CIRCULATION CUT MAIN CIRCUIT
• 1.42. ARM OUT PILOT CIRCUIT
• 1.43. ARM OUT 2 PUMPS CONFLUX MAIN CIR CUIT
• 1.44. NATURAL FALL PROTECTION WITH ARM LOCK VALVE
• 1.45. COMBINED CIRCUIT
• 1.46. BOOM UP / TRAVEL, PILOT CIRCUIT
• 1.47. BOOM UP / TRAVEL, MAIN CIRCUIT
• 1.48. SWING / ARM IN LIGHT LOAD, PILOT CIR CUIT
• 1.49. SWING / ARM IN, SWING PRIORITY MAIN CIRCUIT