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6-1-12-snyatie-proverka-i-ustanovka-zadnikh-barabannykh-tormozov.html
6.1.12. Removal, check and installation of back drum-type brakes
Removal
Remove a back wheel.
Unscrew a nut of fastening and remove a nave together with a brake drum (fig. 6.43). Remove the bottom returnable spring and springs of fixing of blocks.
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Fig. 6.44. Brake shoes and regulator assembled
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Remove brake shoes and a regulator assembled (fig. 6.44).
Check
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Fig. 6.45. Measurement of thickness of brake shoes
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Nominal thickness of a block: 5,14 mm.
Limiting thickness of a block: 1,5 mm.
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Fig. 6.46. Measurement of internal diameter of a brake drum
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Check palpation of a brake drum.
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Fig. 6.47. Check of completeness of a prileganiye of brake shoes and drum
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Check completeness of contact of a block and a brake drum (fig. 6.47).
Internal diameter and limiting palpation of a brake drum
Installation
Put special greasing on the places specified in drawing (fig. 6.48).
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Fig. 6.49. Scheme of installation of a spring of fixing
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Establish a finger and a spring of fixing of a brake shoe (fig. 6.49).
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Fig. 6.50. Installation of the top returnable spring
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Press draft and establish the top returnable spring (fig. 6.50). After assembly several times press the lever of a drive of the parking brake.
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