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(1) Kunckle
Kunckle,combined by kunckle king pin,conical roller bearing,anti-dust cover,O ring,locates
between upper and down side of the steering axle body terminals. the upper end of king pin is
fastened on axle body by stop pin,and the lower end of it is fasten on axle body by forelock. The
supporter is supported by conical roller bearing which is pressed-in the axle body.
（
see figure
2-36
）
1. Thrust bearing 2. knokle 3. fast pin 4. Adjust washer
5. Pin roll 6. Needle bearing 7. Rubber mat 8. Underbed
figure 2-36
(2) Steering cylinder
Steering cylinder designed as a double-acting piston in pattern,that is,the piston rod connects
on each end to kunckle with connecting rod,and the pressure from fully hydraulic steering device
makes,by steering cylinder,piston rod move left and right to achieve left and right turning. the
piston seal adops the combination of supporting ring and O ring. there is Yx ring locates between
cylincer cover and piston rod to keep their leak-proofness. The oil cylinder is fixed upon steering
axle by cylinder covers on two sides.
（
see figure 2-37
）
1.piston rod assembly
2.cylinder cap
3.dust ring 50×72
4.U ring 50×60×8
5.O ring 63×3.55
6.O ring 60×3.55
7.support ring
8.cylinder assembly
9.bearing
figure 2-37 steering cylinder
