(Flow Amplifier)
POSSIBLE CAUSES SUGGESTED CORRECTIVE ACTION
TROUBLE: Slow or hard steer
Stuck amplifier spool
Obstruction in orifice, directional spool
Incorrect relief valve pressure setting
Disassemble valve, check amplifier spool for damage
or obstruction.
Disassemble valve, check directional spool and ori-
fices for damage or obstruction.
Check and correct relief valve setting.
TROUBLE: Free wheeling (no end stop)
Leaking shock and suction relief valve
Pressure setting of shock valve too low
Disassemble valve, check and clean shock and suc-
tion valves. Replace valves if necessary.
Adjust pressure settings.
TROUBLE: Inability to steer (no pressure build-up)
Defective steering control unit Repair or replace steering control unit.
TROUBLE: Resistance when initially turning steering wheel
Air in “LS” line
Priority valve spring compression weak
Obstruction in orifice in “LS” or “PP” port
Bleed air from “LS” line.
Disassemble flow amplifier. Replace priority valve
spring.
Disassemble flow amplifier. Inspect and clean orifice.
L06021 Steering Circuit Component Repair L6-27
To Next Page
Loading...
Need help?
General
