New Holland CX720 Repair Manual page 28

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