You make removal of a beam in the following order:

– record forward wheels, you will hang out and record a back part of the car on basic racks. Remove back wheels;

– disconnect cables of the emergency brake from back brake mechanisms and release a cable from clips on a beam;

– disconnect brake tubes from back brake mechanisms and points of fastening on a beam;

– establish jacks from two parties of a beam to support its weight;

Fig. 10.27. Arrangement of a nut of fastening of the lower part of a rack

– under the car, in an opening of an arm of a beam of a back suspension bracket establish a key on the nut (see fig. 10.27 ) clamping a bolt of the lower fastening of a rack turn off a bolt and take it from the lever;

– disconnect from a back beam of a rack;

– having noted situation, remove pressure regulator spring in the brake system from a suspension bracket;

– be convinced that all elements connected with a back beam are disconnected, and the back beam is reliably supported by jacks;

– turn off nuts of hinged bolts from each party of a beam, take bolts and lower a forward part of a beam;

– lower jacks and take a back beam from under the car;

– if rubber-metal plugs of fastening of a back beam are worn-out, they need to be replaced;

Fig. 10.32. Removal of an external part of the rubber-metal plug of fastening of a back beam

Fig. 10.33. Removal of an internal part of the rubber-metal plug of fastening of a back beam

– using the corresponding stripper, remove external, and then internal plugs ( fig. 10.32 and 10.33 );

Fig. 10.34. Correct position of the rubber-metal plug in a back beam

– lower new rubber-metal plugs in soap solution and, using a stripper, install plugs in a back beam ( fig. 10.34 );

– if replacement of an arm of fastening of a back beam is made, establish an arm at an angle to a beam (13 ° 30’ ±1 °).

You carry out installation to the sequences, the return to removal.

After installation of a back beam into place by hand put all bolts and the clamps then finally tighten them the regulated moment.

Remove air from the brake system and adjust the emergency brake.