Specifications

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6.4 Inspection after reassembling the steering system
(1) Check the force when turning the steering handwheel to right and left until it
can’t be turned any more to see if they are identical each other and check the
operation if the steering handwheel for smoothness during above operation.
(2) Check the arrangement of the hydraulic pipeline and the turning direction for
correctness.
(3) Lift up the rear wheels and slowly turn the handwheel over several times to
exhaust the air in the hydraulic pipelines and the cylinder.
6.5 Troubleshoot of steering system
Problem
Analysis of trouble
Remedy
Fail to turn
handwheel
Oil pump damaged
Replace
Flow-divider blocked or damaged
Clean or replace
Hose or joint damaged or pipeline blocked
Clean or replace
Difficult to
turn
handwheel
Too low oil pressure from flow-divider
Adjust pressure
Air in steering oil circuit
Exhaust air
Steering unit fail to reposition due to spring
piece damaged or insufficient elasticity
Replace spring
piece
Excessive inner-leakage in steering cylinder
Check piston seals
Truck’s naking
or moving with
oscillation
Excessive flow rate for steering
Adjust flow divider
for flow rate
Spring damaged or elasticity insufficient
Replace
Excessive
noise
Too low oil level in oil tank
Refill oil
Suction pipeline or oil filter blocked
Clean or replace
Oil leakage
Seals of guide sleeve, pipeline or joint
damaged
Replace