Removal and disassembly
Raise the rear of the vehicle, put it on stands and remove the rear wheel.
Remove the cap, cotter pin and remove the toothed stopper.
Unscrew the hex nut and remove the lock washer.
Push up with a screwdriver through the threaded hole for the wheel bolt, the bar for automatic adjustment of the gap between the pads and the drum.
Press the hub, made integral with the brake drum, from the axle, making sure that the inner races of the bearings do not fall out.
Remove outer roller bearing inner race.
Remove the dirt ring, which cannot be reused.
Remove inner roller bearing inner race.
Using a brass drift, first press out the outer race of the inner roller bearing, then with a suitable drift the outer race of the outer roller bearing.
Take revenge on the brake drum and check the condition of the parts. Replace worn parts. Check the brake drum. If there are deep scratches or excessive ovality on the working surface, bore the drum on the machine, and then grind the drum with abrasive fine-grained materials.
Assembly and installation
Using a mandrel, press the inner race of the outer roller bearing into the hub, then the inner race of the inner roller bearing.
Press in the new dirt deflector ring until it stops.
Press in the outer race of the outer roller bearing, then the outer race of the inner roller bearing.
Press the hub onto the axle, install the lock washer and tighten the hex nut of the hub.
Adjust the clearance in the hub bearings as indicated below.
After adjusting the clearance, install the toothed stopper and cotter the hub nut with a new cotter pin.
Put on the hub cap, filling it with 10 g of grease.
Rear Suspension Details: 1 - rear suspension beam; 2, 4 - silent blocks; 3 - jet rod; 5, 25 - washers; 6 - hub axis; 7 - mud-reflecting ring; 8 - inner hub bearing; 9 - hub, made integral with the brake drum; 10 - cotter pin; 11 - outer bearing of the hub; 12 - lock washer; 13 - hub nut; 14 - toothed stopper; 15 - hub cap; 16 - a bolt of fastening of a sanlent-block of a reactive rod; 17 - lower spring cup; 18 - spring; 20 - bottom bumper; 21 - cup; 22 - bottom cushion; 23 - top pillow; 24 - bushing; 26 - emphasis; 27 - upper chipper; 28 - case; 29 - shock absorber.
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