jcb JS300 Service Manual page 785

Assembly
Assembly is a reversal of the dismantling sequence.
1 Lubricate spool C, spring E and balls F and K with
clean hydraulic oil.
2 Tighten components to specified torque
Torque Settings ( T
3 Apply JCB Threadseal to accumulator thread G.
Table 3. Torque Settings
Item Nm
A 4
C 25
G 55
H 15
J 15
Table 4. Hydraulic Connections
Port Hose Colour
P White
A Orange
T1 No Hose
T2 No Colour
B Orange
B2 White
C1 No Hose
C4 Light Green
C5 Grey
C6 Light Blue
C7 Yellow
C8 Green
C10 No Hose
C11 White
C12 No Hose
C13 No Hose
E-124
K Table 3.
E-124).
Kgf m lbf ft
0.4 2.9
2.5 18.4
5.6 40.6
1.5 11.1
1.5 11.1
Function
Pilot Pressure 'In'
Swing Brake 'In'
Tank Return
Swing Brake 'Out'
Cab manifold Pressure
Max Flow Control
Travel Speed
Boom Priority
2 Stage MRV
Cushion Off
PSV Main Pump
2
1 3
9813/5100-1
Section E - Hydraulics
Solenoid Valve Block
Dismantling and Assembly
2
1 3
2
1 3
2
1 3
2
1 3
Fig 4.
C034920-1
E-124