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Check Valve (4 Spool Section)
Dismantling
1 Remove housing 1.
2 Remove ‘O’-ring 2 and discard.
3 Withdraw check valve 3 and spring 4.
Cleaning, Inspection
1 Clean all parts in clean oil and dry with compressed air.
Inspect all parts.
2 Ensure check valve 3 moves smoothly.
3 Check that spring 4 has no defects, deformation or
wear.
4 Remove slight damage by lapping.
5 Renew damaged or badly worn parts.
Assembly
Assembly is the reverse of the dismantling procedure.
Torque Settings
1 39.32 Nm (29 lbf ft)
Section E Hydraulics
9803/6410
Section E
34 - 23
Issue 1
Control Valve
JS01420
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