1
Is the slew spontaneous
drop within specs?
Within specs
Normal
Out-of-specs
2 Check the slew pressure
Adjust the relief valve
pressure of the slew brake
valve
Adjust to set pressure
Normal
Repair or replace the slew re-
lief valve
Check the slew motor
Faulty
Repair or replace the slew
motor
1. Is the slew spontaneous drop within specs?
2. Check the slew pressure
-
sure”
3. Check the slew motor
“4. Disassembly and assembly, Slew motor”