Schematic Hydraulic Circuit Js330; Control Valve - jcb JS330 Service Manual

Section E
3 - 1

Schematic Hydraulic Circuit JS330

1 Solenoid Valve (optional)
2 Restrictor (optional)
3 Slew Motor
4 Slew Reduction Gears
Dipper Ram
5
6 Traction Motor
7 Rotary Coupling
8 Bucket Ram
9 Left Boom Ram
10 Right Boom Ram
11

Control Valve

12 Check Valve
13 Solenoid Valve (optional)
14 Solenoid Valve (optional)
15 Pressure Switch (optional)
16 Shuttle Valve (optional)
17 Remote Control Valve
18 Filter
19 Filter (optional)
20 Remote Control Valve (optional)
21 Slew Valve
22 Remote Control Valve
23 Filter
24 Solenoid Valve
25 Pressure Switch
26 Shuttle Valve
27 Cushion Valve
28 Solenoid Valve
29 Check Valve
30 Accumulator
31 Relief Valve
32 Line Filter
33 Shuttle Valve
34 Line Filter
35 Pressure Switch
36 Pressure Switch
37 Hydraulic Pump
38 Engine
39 Stop Valve (optional)
40 Stop Valve (optional)
41 Relief Valve (optional)
42 Line Filter (optional)
43 Spool Valve (optional)
44 Return Filter
45 Relief Valve
46 Suction Strainer
47 Hydraulic Tank Drain Tap
48 Hydraulic Tank
49 Pressure Switch
50 Relief Valve
51 Line filter
Check valve
52
53 Check valve
54 Reducing Valve
55 Oil Cooler
56 Isolating Cock
57 Filter
Governor
58
59 Air Tank
60 Check valve
9803/6420
Hydraulics
Schematics
61 Safety Valve
62 Check Valve (optional)
Holding Valve (optional)
63
Section E
3 - 1
Issue 1