jcb JS300 Service Manual page 669

JS370
Item Description
1 Swing Motor
2 Rotary Coupling 6 Port
3 Arm Cylinder
4 Arm HBCV
5 Travel Motor/Gearbox
6 Coupling Male 1/2
7 Coupling Female 1/2
8 TAB Cylinder
9 Boom HBCV LH
10 Boom HBCV RH
11 Bucket Cylinder
12 Main Control Valve
13 Boom Cylinder
14 L/F DCV Closed Centre
15 Regenerative Valve
16 Pressure Switch
17 TAB Control Valve
18 Shut Off Valve
19 Hammer/Aux Valve RH
20 Hammer/Aux Valve LH
21 Check Valve 1 bar
22 Hammer Return Filter
23 Cooling Pack
24 Check Valve 3 Bar
25 Drain Filter
26 Breather
28 Hydraulic Tank
29 In Line Filter
30 Filter Strainer
31 Relief Valve
32 Main Return Filter
33 Return Manifold
34 Pressure Switch
35 Valve Dual Controls
36 Pressure Switch
E-8 9813/5100-1
Section E - Hydraulics
Systems and Schematics
Schematics
Variant
HBCV
Low Flow
Low Flow
TAB
HBCV
HBCV
Low Flow
HBCV
TAB
Hammer/Aux
Hammer/Aux
Hammer/Aux
Hammer/Aux
Dual Controls
Hammer/Aux
E-8