New Holland CX720 Repair Manual page 44

DISTRIBUTION SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
PRIMARY HYDRAULIC POWER SYSTEM - Hydraulic schema
(A.10.A - C.20.B.20)
1a series 1206 - 1479
1 Engine
2 Gearbox
3 Hydrostatic pump
4 CCLS pump
5 Low pressure gear pump
6 Load sensing valve
7 High pressure relief valve
(197 bar (2856 psi)
8 In-line high pressure filter
9 Priority valve
10 Load sensing lock out valve
11 Load sensing shuttle valve
12 Steering motor
13
Steering cylinders
14 Header height pressure valve
15 High pressure relief valve
220 bar (3190 psi)
16 Accumulator lock out valve
17 Header suspension accumulator
(70 bar [1015 psi], 0.5 L [17 oz])
18 Pressure sensor
19 Header height control valve
20 Header raise valve
21 Header lower valve
22 Header pressure compensation valve
23 Header lift cylinders
24 Electronic control unit
25 Drum variator valve
26 Drum variator adjustment plunger
27 Unloading tube control valve
28 Unloading tube cylinder lock out
29 Unloading tube cylinder
30 Top plate
High Pressure circuit diagram
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
2 4/7/2006
A.10.A / 24
Quick attach couplers
Straw elevator stack valve top plate
Straw elevator and header reversing valve
Straw elevator and header reversing motor
Lateral flotation control valve
Lateral float pressure compensation valve
Lateral flotation cylinder
Lateral float accumulator
(80 bar [1160 psi], 0.5 L [17 oz])
Lateral float accumulator
(100 bar [1450 psi], 0.5 L [17 oz])
Lateral float minimum pressure valve
Reel horizontal adjustment valve
Reel horizontal adjustment cylinders
Reel vertical adjustment valve
Reel vertical adjustment cylinders
Reel drive / speed adjustment valve
(Not used)
Reel pressure compensation valve
Reel drive motor
Flush valve
Return filter with by-pass
Blocked filter indicator switch
Thermostat valve
Cooler
Suction filter
Filler cap with breather
Hydraulic oil, minimum level indicator
Reservoir
Drain hose
Temperature sensor
Multi-line quick coupler