Hitachi EX1900-5 Operator's Manual page 144

Backhoe
1. BUCKET CYLINDER
2. ARM CYLINDER
3. BOOM CYLINDER
4. TRAVEL PILOT VALVE
5. LEFT PILOT VALVE
6. RIGHT PILOT VALVE
7. PILOT SHUT-OFF VALVE
8. AIR-CON. COMP. MOTOR
9. ACCUMULATOR
10. CHECK VALVE
11. SWING MOTOR
12. CENTER JOINT
13. CONTROL VALVE: LEFT TRAVEL
14. CONTROL VALVE: BUCKET
15. CONTROL VALVE: BOOM
16. CONTROL VALVE: ARM
18. CONTROL VALVE: RIGHT TRAVEL
19. CONTROL VALVE: SWING
21. RADIATOR
22. INTERCOOLER
23. ENGINE
24. MAIN PUMP No. 3, 4
25. MAIN PUMP No. 1, 2
26. MAIN PUMP No. 5, 6
27. FAN DRIVE PUMP
28. PILOT PUMP
29. AIR-CON. COMP. PUMP
30. TRANSMISSION OIL PUMP
31. HYDRAULIC OIL TANK
32. FAN DRIVE MOTOR
33. OIL COOLER
35. TRAVEL MOTOR
37. PILOT FILTER
38. TRANSMISSION OIL COOLER
39. GREASE PUMP
40. FULL-FLOW FILTER
41. SUCTION MANIHOLD
42. HIGH PRESSURE FILTER
43. SUCTION FILTER
44. BRAKE VALVE
45. DRAIN FILTER
MAINTENANCE
SUPPLY LINE FROM PUMPS
RETURN LINE
SUCTION LINE
ACTUATOR LINE
DRAIN AND PILOT LINE
7-12
M18C-07-066