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Checking and replacing the brake pads
| Fig. 298. Control of the thickness of the lining through the hole on the back side of the brake shield
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On the reverse side of the brake shields fitted plugs, after the removal of which you can check the thickness of the brake linings. Fig. 298 shows where the inspection hole. Shine a flashlight into it. If the thickness is decreased as a result of lining wear to about 2.5 mm, the pads must be replaced in the kit, on both wheels. To replace the pads, proceed as follows: - Lift the rear of the car and set it on supports; - Substitute Chock the rear wheels; - Return to the starting position adjusting mechanism, as otherwise the brake pads can get stuck in the drum. For this purpose it is necessary to insert back into the drum through one of the threaded holes screwdriver, find the control wedge mechanism and push it up. The mechanism is to the left on the upper side of the drum (Fig. 299);
| Fig. 299. Homing wedge adjustment mechanism through the opening on the inner side of the brake drum
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- To remove the hub cap, carefully hooking a screwdriver or using a special tool, as shown in Fig. 285;
| Fig. 285. Removing the cover of the hub. By using such tools ensure that the cover is not damaged
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- Remove the brake drum. If it jams up again to press the control wedge, as shown in Fig. 299;
| Fig. 301. Removing the brake pads. The retaining pins and a hook fastening of the bottom of the return spring are indicated by arrows
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- Press the finger from the reverse side onto the pins holding the brake pads, pliers seize the spring plate on the outer side pads (the top arrow in Fig. 301), and press it inwardly to expand until the head of the pin will not be possible to carry through the spring. Remove the spring plate, a spring and a pin. Perform this work on both stocks; - Tackle one block up on the bottom side and remove it from the support. Unhook the hook liberated the bottom of the return spring; - Open the two brake pads down, as shown in Fig. 302, and disconnect the parking brake cable from the pad;
| Fig. 302. Removing the brake pads. Place the parking brake cable connection arrow
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| Fig. 303. Dismantling the brake pads in the grip of a - disconnect spring pad (the location of the hooks shown by arrows); b - the arrow shows the spring expander strap
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- Clamp the brake pads in a vice as shown in Fig. 303, and a pair of pliers to unhook from the clamping spring regulating wedge and upper return spring. To remove a block by removing one side of the expander bar; - Expanding raise the bar to a position where its spring released, and it will be possible to unhook and remove completely. Also, remove the control wedge to remember how it was set; - Thoroughly clean all parts. Especially check the condition of rubber boots brake cylinders. When leaks fluid cylinders should be repaired or replaced;
| Fig. 304. Setting the brake pads grip
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- Clamp the pads as shown in Fig. 304, in a vise, install tension spring and paste Expanding the bar to block. Both operations are carried out simultaneously. To do this, stretch the spring, until it is fixed;
| Fig. 305. Building blocks before installing
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- Insert the control wedge shoe and collect pads as shown in Fig. 305. Secure the top returnable spring. For accurate fixing springs guided in Fig. 300;
| Fig. 300. Details of the rear brake: 1 - the brake pads; 2 - tension spring wedge; 3 - lower return spring; 4 - the upper return spring; 5 - the parking brake lever; 6 - compression spring; 7 - cup compression spring; 8 - pressure spring; 9 - Spreader bracket; 10 - regulates the wedge; 11 - working brake cylinder; 12 - bolt brake cylinder; 13 - brake board; 14 - retaining pin; 15 - plug inspection hole
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- To fix the parking brake cable, the brake pads to dissolve both the top and set the upper ends of the pads in the brake cylinder pistons wheels without damaging the rubber covers; - To fix a lower return spring and set the left block to the support; - Fix the presser spring regulating wedge block and lift the screwdriver above the support; - Set retaining pin pad in sequence, return dismantling; - To establish a brake drum and adjust the bearing of a back wheel (Sect. 13.2); - Repeatedly press the brake pedal to activate the mechanism for adjusting the rear brake.
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