New Holland CX720 Repair Manual page 46

DISTRIBUTION SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
1b series 1480 and above
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
31 Quick attach couplers
50
Return filter with by-pass
51 Blocked filter indicator switch
52 Thermostat valve
53 Cooler
54
Suction filter
55 Filler cap with breather
56 Hydraulic oil, minimum level indicator
57 Reservoir
58 Drain hose
59 Temperature sensor
High pressure circuit diagram - Main stack valve
2 4/7/2006
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