Technical requirements for
1. symmetrical assembly.
2. bearing assembly of heavy duty grease cavity covered a total of 1.5 ~ 1.8kg, adjusting the axle nut so that the bearing axial clearance is 0.08 ~ 0.15mm, and then the nut is secured with a cotter pin.
3. cam shaft axial clearance after assembly is controlled in 0.2 ~ 0.3mm, and the brake arm after braking can automatically return.
4. brake drum, wheel assembly after the rotation should be flexible and reliable, the circumference of the radial clearance of brake shoe assembly
unilateral and brake drum is about 2mm, do not brake there shall be no friction and brake drum, brake drum and after assembly shall not protrude in end with T24 single chamber.
The braking system shall be carried out after the assembly of pneumatic brake testing, to ensure the braking performance, the unqualified should not leave the factory.
5. cam shaft sleeve assembly and adjustment and accurate location, along the brake bottom plate outer circumference, combination cam shaft supporting plate combination of inside and outside surface of each spot 3.
6. surface cleaning, surface spray black paint.
7. products signs at the moment good technical parameters, product number, date of production with 309 glue in proper position on the central axle (can also be based on user requirements).
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