Specifications

70
If disassemble from the rear cover, before removing the valve core and valve
sleeve, firstly get out valve ball, or the valve body will be damaged, be care not hurt
the other surface of valve body.
b. Order of assembly
valve core - spring piece -
valve sleeve - shift arm- shim -
valve body - slip ring - block
ring - front cover - steel ball -
screw cover - block plate -
interlock shaft - rotor - stator
- spacing sleeve - back cover.
Fig5.4 Structure of steering unit
5.3.5 Inspection on reassembly of steering system
(1) Check the arrangement of the hydraulic pipeline and the turning direction for
correctness.
(2) Check the force necessary to turn 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.
(3) After assembling a steering system, put up the turning wheel, make the
engine to run at a slack speed, then turn the steering wheel slowly, and do it times and
times, to exhaust the air in the hydraulic pipeline and cylinder. Check whether voice
for it to turns is normal or not. If abnormal voice can’t be heard, it says that the air has
been exhausted absolutely. Then make the engine run at a slack speed, to go up the
oil temperature.
(4) Measure the operation of steering
Place the truck on the dry and flat road. Attach the spring equilibrator to the verge