Sn B300001429 Through B300002532) - Sheet 7 Of 7 - JLG E450A Service And Maintenance Manual

SECTION 5 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
8
1. PROPORTIONAL FLOW REGULATOR, PRESSURE COMPENSATED, PV70-3001B-0-N-12DW
H
2. 2-POS, 2-WAY POPPET VALVE, NORMALLY OPEN, SV08-21-0-N-12DW (BYPASS UNLOADING)
3. 3-POS, 4-WAY VALVE, SV10-4722E-0-N-12DW, (LOWER LIFT)
4. 3-POS, 4-WAY VALVE, SV10-4722E-0-N-12DW, (UPPER LIFT)
5. 3-POS, 4-WAY VALVE, SV08-47C-0-N-12DW, (SWING)
6. 2-POS, 2-WAY SPOOL VALVE, NORMALLY CLOSED SV08-24-0-N-12DW
7. 2-POS, 3-WAY VALVE, SV10-33-0-N-12DW, (TELESCOPE OUT)
G
8. 2-POS, 3-WAY VALVE, SV10-33-0-N-12DW, (TELESCOPE IN)
9. 3-POS, 4-WAY VALVE, SV08-47D-0-N-12DW, (PLATFORM LEVEL)
10. 3-POS, 4-WAY VALVE, SV08-47D-0-N-12DW, (ROTATOR)
11. RELIEF VALVE, DIRECT ACTING, RV08-20A-0-N-33/26 (LOWER LIFT DOWN) SET AT 2600 PSI
12. RELIEF VALVE, DIRECT ACTING, RVO8-20A-0-N-18/8.0 (UPPER LIFT DOWN) SET AT 800 PSI
13. RELIEF VALVE, DIRECT ACTING, RV08-20A-0-N-33/30 (TELESCOPE) SET AT 3000 PSI
14. RELIEF VALVE, DIRECT ACTING, RV08-20A-0-N-33/12 (PLATFORM LEVEL BACKWARD ROD END) SET AT 1200 PSI
F
15. RELIEF VALVE, DIRECT ACTING, RV08-20A-0-N-33/30 (PLATFORM LEVEL FORWARD PISTON END) SET AT 3000 PSI
16. SHUTTLE VALVE, LS08-30-0-N, (TELESCOPE)
17. PILOT OPERATED CHECK, PC08-30-0-N, (PLATFORM LEVEL, ROD SIDE)
18. PILOT OPERATED CHECK, PC08-30-0-N, (PLATFORM LEVEL, PISTON SIDE)
19. ROTARY 2-POS, 3-WAY VALVE, MR10-31-0-N, W/6113160 (EMERGENCY DESCENT)
20. MANUAL HAND PUMP, HP10-21A-0-N-A (0.47 IN3)
21. 0.031" ORIFICE PLUG
E
22. FILTER, HIGH PRESSURE, 10@2 ABSOLUTE G1761
23. ELECTRIC MOTOR, PUMP ASSEMBLY, 48VDC
24. MOTOR, GEROTOR TYPE, FIXED 3.2 CU. IN., (SWING)
25. COUNTERBALANCE CARTRIDGE, 10:1 @@ 3000 PSI, NON-VENTED SPRING
26. COUNTERBALANCE CARTRIDGE, 1:1 @@ 3500 PSI, VENTED SPRING, SEALED PILOT
27. COUNTERBALANCE CARTRIDGE, 1:1 @@ 3500 PSI, VENTED SPRING, SEALED PILOT
D 28. COUNTERBALANCE CARTRIDGE, 5:1 @@ 4000 PSI, VENTED SPRING, SEALED PILOT
29. COUNTERBALANCE CARTRIDGE, 5:1 @@ 4000 PSI, VENTED SPRING, SEALED PILOT
30. RELIEF VALVE, DIRECT ACTING, RV08-20A-O-NC-18/22, (LEVELING RELIEF VALVE) SET AT 2200 PSI CRACKING PRESSURE
31. COUNTERBALANCE CARTRIDGE, 10:1 @@ 2500 PSI, NON-VENTED SPRING
32. COUNTERBALANCE CARTRIDGE, 5:1 @@ 2500 PSI, VENTED SPRING, SEALED PILOT
33. COUNTERBALANCE CARTRIDGE,PILOT RATIO: 7:1 (2500 PSI HOLDING,3300 PSI THERMAL) NON-VENTED SPRING, SEALED PILOT
34. HYDRAULIC TANK
C
35. 3-POS, 4-WAY VALVE, SV08-47C-0-N-12DW, (STEER)
36. SHUTTLE VALVE, LS08-30-0-N (STEER)
37. RELIEF VALVE, DIRECT ACTING, RVO8-20A-0-NC-33/14 (STEER) SET AT 1400 PSI
38. MANUAL, SPRING RETURN, PULL TO OPEN POPPET CARTRIDGE (MP10-20-J)
39. COUNTERBALANCE CARTRIDGE, PILOT RATIO 10:1 (500 PSI HOLDING, 1200 PSI THERMAL) VENTED SPRING, SEALED PILOT
40. RELIEF VALVE, DIRECT ACTING, RV58-20A-0-NC-46/32 (SYSTEM RELIEF) SET AT 3200 PSI
41. CARTRIDGE PLUG CP08-30-0-N
B
42. PROPORTIONAL FLOW REGULATOR, PRESSURE COMPENSATED, PV70-30B-0-N-12DW
43. 0.028 ORFICED PLUG
44. 3-POS, 4-WAY VALVE, SV08-47D-0-N-12DW, (JIB)
45. RELIEF VALVE CRO8A-O-N-30/19 SET AT 2200 PSI
46. COUNTERBALANCE CARTRIDGE, 7:1 @ 2500 PSI
47. COUNTERBALANCE CARTRIDGE, 3:1 @ 3000 PSI, NON-VENTED SPRING
A
48. CHECK VALVE CV08-20-0-N-60 (SET AT 60 PSI)
49. RELIEF VALVE, CRO8A-O-N-30/30 SET AT 3000 PSI
SHEET 4
8
Figure 5-163. Hydraulic Schematic (SN 0300208529 through 0300233451, SN B300001429 through B300002532) - Sheet 7 of 7
5-150
7 6
COMPONENT LIST
7 6
5 4
SHT-1 MACHINES WITH-OUT JIB
SHT-2 MACHINES WITH JIB
SHT-3 MACHINES WITH JIB PLUS
SHT-4 COMPONENT LIST
1001179226-B
5 4
H
G
F
E
D
C
B
A
MAE31990B
3121714