30
3.6 Diagnose of steering system
（
list2-4
）
List 2-4
problem
cause
elimation
steering wheel
can not move
damage or malfunction of oil pump
replace
hose connector is damaged or plug of pipeline
replace or cleaning
steering wheel
dullness
safety valve pressure is too low
adjust pressure
air in oil circuit
exhaust air
failure of steering reset. Rivet spring slice broken
or elasticity is not enough.
replace spring slice
too big inside leakage of steering cylinder
check piston seal
Forklift S-route
travel or sway broken of spring or no elasticity
replace
too big noise
oil level in oil box is low
fuel
plug of inhale pipe or filter
cleaning or replacing
oil leakage
damage of guide bush seal for steering cylinder or
damage of pipeline or damage of connector
replace
