17
1.latch nut
2.pushing rod
3.antidust cover 4.locking steel
wire
5.locking
washer
6.assistant
leather cup
7.piston
8.base leather
cup
9.spring
10.cheak valve 11.valve
supporter
12.pump body
figure 2-8 base brake pump
2.4 Brake
The brake staff adopted is two shoe brake installed in the two sides of drive axle.The brake
staff consists of two groups of brake shoes,subsidiary brake pumps and regulators,one end of the
brake shoe,which holds back the parking brake parts through rebound spring and Pressure
spring,contacts with fixing pin and another end of it contacts with regulator,In addition,there are
brake packing device and automatic regulating device assembled on brake staff. See figure 2-9
1.brake baseplate
assembly
2.clearance
adjuster
3.friction plate
assembly
4.washer
5.pull rod
6. spring
7.washer
8.push rod
9. spring
10.push rod
11.spring
12.adjusting lever
13. spring seat
14. spring
15. spring cap
16. spring
17. spring seat
18.pull rod
19.pin
20. washer
21.rubber plug
22.brake cable
assembly
23.bolt M8×16
24.washer 8
25.cylinder
26. protective
cover
27.piston rod
28.piston
29.ceal cup
30.spring
31.oil plug
32.screw
33.protective cover
34.dust cover
figure 2-9 brake stuff