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Replacing the brake cylinder and the brake pads
| Fig. 7.2. Drum Brake Rear Wheel type LT18C: 1 - dust lip; 2 - piston; 3 - cuff; 4 - brake cylinder; 5 - bleed screw; 6 - a spring; 7 - the parking brake cable; 8, 12, 13 - support leg pads with a spring and a cup; 9 - Brake shield; 10 - release lever; 11 - extractor brake shoes; 14 - the bottom coupling spring pad; 15 - a spring mechanism for automatic adjustment of the gap; 16 - brake drum; 17 - pressing the brake pad; 18 - mechanism for automatic adjustment of the gap; 19 - the top coupling spring pad
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| Fig. 7.8. Drum Brake rear wheel: 1 - the parking brake cable; 2 - the bottom coupling spring; 3 - the top coupling spring; 4 - stand with a clamping spring and a cup; 5 - brake pads Spreader; 6 - brake pad presser; 7 - a mechanism for automatic adjustment of the gap; 8 - wheel brake cylinder
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When replacing a brake drum or wheel cylinder and replace the brake pads.
| Fig. 7.9. Removing the brake drum using two bolts M8h1,25
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Lift the rear of the car and put it on the stand. Remove the wheel, noting their position relative to the hub. Lower the lever of the parking brake system. On the outside of the brake board with a screwdriver inserted into the hole, press the lever of the automatic adjustment of the gap between the drum and shoes. The technological holes tighten two bolts M8h1,25 (Fig. 7.9), and evenly tightening them, remove the brake drum pad. Remove the cap from the hub, remove the cotter pin and loosen the nut on the hub. Remove the hub. Remove the spring mechanism for automatic adjustment of a backlash. Disconnect and remove the upper and lower locking spring pad. Remove the support legs of brake pad assemblies. Disconnect the parking brake cable. Remove the brake pad presser, and then block and extraction. Remove the mechanism of automatic adjustment of the gap. Disconnect the pipe from the wheel cylinder by taking action against the leakage of brake fluid. To remove the cylinder, remove the bolts securing it to a brake board. Clean the parts of the oil and dirt. Measure the dimensions of the brake drum and compare them with those given in Section. "General information". Installation is the reverse order. At the end of the assembly to remove the air from the hydraulic system and adjust the parking brake.
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