jcb JS130 - Page 295

34 - 5
Valve Block
Dismantling
1 Remove socket screw 1 from 4 spool section.
2 Remove socket screws 2 and 3 from 3 spool section.
3 Carefully separate the two halves of the valve body.
Note: Ensure that ‘O’-rings and check valve assembly are
retained in the 4 spool section of the body and the check
valve and spring are retained in the 3 spool section.
4 Remove ‘O’-rings and discard.
Assembly
1 Clean surfaces of valve block sections.
2 Renew ‘O’-rings.
3 Rejoin the two halves of the valve body and insert
socket screws 1, 2 and 3. Tighten to a torque of 97 Nm
(72 lbf ft).
Section E Hydraulics
9803/6410
Section E
34 - 5
Issue 1
Control Valve
JS00990