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A. Adjustment of bearing clearance
In order to ensure the normal work of the steering gear, the clearance of the bevel
bearings 7204 on either end of steering worm should be adjusted. When the bearings wear out
to make the axial clearance increase, the clearance should be adjusted timely; i.e. make the
upper and lower moving play of the steering worm be not more than 0.1mm through
increasing or reducing the quantity of adjusting shim (11).
B. Adjustment of mesh clearance of steering worm and crankpin
During operation, the mesh clearance will increase due to the wear out of the steering
worm and crankpin, and the idle angle of the steering wheel also increases. When the idle
°
angle of the steering wheel is more than 25 (or the arc length along the outside of the
steering wheel is more than 90mm), the clearance should be adjusted.
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