1
Check the operation of
actuators other than of
the slew motor
Normal
2 Check the pilot valve
Faulty
Repair or replace the pilot
valve
Normal
Check the spool opera-
tion
Faulty
block
Normal
4 Check the slew pressure
Adjust the pressure of the
slew relief valve
Adjust to the set pressure
Normal
Repair or replace the relief
valve
5 Check the slew motor
Faulty
Repair or replace the slew
motor
Normal
Replace
1. Check the operation of actuators other than of the
slew motor
the operation of actuators for the devices listed in the
Lever to operate
Device to check
Relief valve
Blade
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