3 Check Control Valve
- Disassemble control valve assembly. Refer to "CONTROL VALVE ASSEMBLY AND ACCUMULATORS " .
- Check to ensure that:
- Valve, sleeve and plug slide along valve bore under their own weight.
- Valve, sleeve and plug are free from burrs, dents and scratches.
- Control valve springs are free from damage, deformation and fatigue.
- Hydraulic line is free from obstacles.
OK or NG
OK: GO TO 4.
NG: Repair control valve assembly.