Hyundai 20G-7, Руководство по обслуживанию

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5-13
Problem
Abnormal sound heard when
steering wheel is turned fully Valve
·
Faulty. (Valve fails to open.)
Piping
·
Pipe(from pump to power steering
cylinder) dented or clogged.
·
Adjust valve set pressure and check
for specified oil pressure.
·
Repair or replace.
Cause Remedy
Piping makes abnormal
sounds. Oil pump
·
Lack of oil.
·
Oil inlet pipe sucks air.
·
Insufficient air bleeding.
·
Add oil.
·
Repair.
·
Bleed air completely.
Valve or valve unit makes
abnormal sounds. Oil pump
·
Oil inlet pipe sucks air.
Valve
·
Faulty. (Unbalance oil pressure)
Piping
·
Pipe(from pump to power steering)
dented or clogged.
·
Insufficient air bleeding.
·
Repair or replace.
·
Adjust valve set pressure and check
specified oil pressure.
·
Repair or replace.
·
Bleed air completely.
Insufficient or variable oil flow. ·
Flow control valve orifice clogged.
·
Clean
Insufficient or variable dischar-
ge pressure.
Piping
·
Pipe(from tank to pipe) dented or
clogged.
·
Repair or replace.
Steering cylinder head
leakage (Piston rod) ·
Packing foreign material.
·
Piston rod damage.
·
Rod seal damage and distortion.
·
Chrome gilding damage.
·
Replace
·
Grind surface with oil stone.
·
Replace
·
Grind
Steering cylinder head thread
(A little bit leak is no problem) ·
O-ring damage.
·
Replace
Welding leakage ·
Cylinder tube damage.
·
Tube replace.
Rod
· Tube inside damage.
· Piston seal damage and distortion
· Grind surface with oil store.
· Replace
Piston rod bushing inner
diameter excessive gap ·
Bushing wear.
·
Replace
Steering wheel turns unstea-
dily.
· Lockout loosening.
· Metal spring deteriorated.
· Retighten.
· Replace.
Steering system makes abn-
ormal sound or vibration. ·
Gear backlash out of adjustment.
·
Lockout loosening.
·
Air in oil circuit.
·
Adjust.
·
Retighten.
·
Bleed air.