| 1. Remove brake shoes. |
| 2. Disconnect a brake tube. |
| 3. Turn out bolts and remove the working brake cylinder. |
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4. Remove dustproof covers from the working brake cylinder. |
| 5. Remove the piston. |
| 6. Get a returnable spring. |
7. Before assembly of the working brake cylinder check a condition of the following details:
– the cylinder and the piston on lack of wear, damages and a rust;
– the case of the working brake cylinder on absence of damages and cracks;
– a contact surface of the piston and brake shoes on lack of wear. |
| 8. Assembly is carried out in sequence, return dismantling. |
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Prevention
Before assembly clear the working brake cylinder isopropyl alcohol.
Before assembly grease with brake liquid the piston and the cylinder.
At assembly it is necessary to use new cuffs and dustproof covers.
Be careful not to lose a steel ball of the drainage valve.
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