8.2.2. Replacement of the top draft

Need of replacement of the top draft arises at wear of its rubber plugs which installation is possible only industrially. Therefore it is necessary to replace the top draft assembled. For this purpose:

— remove a wheel;

— put a support under the lower lever;

Fig. 8.7. Bolts (1) of fastening of the top thirst for a body and longitudinal lever (2)

— turn out bolts of fastening of thirst for the longitudinal lever and a body (fig. 8.7)

— delay the longitudinal lever and remove the top draft;

— fix new top draft on a body and the longitudinal lever, tighten bolts fingers;

— tighten bolts 1 from a body the moment of 35 N · m;

— check purity of surfaces of contact of a brake disk and nave. Grease the central directing pin in a forward part of a nave with anticorrosive structure 1161038-3. Put a wheel and slightly tighten bolts, tighten them on diagonal the moment of 110 N · m;

PREVENTION It is important to carry out an inhaling on diagonal, putting the specified moment. It will prevent formation of tension in a brake disk.

— put a nave cover;

— remove a support and several times rock the car up-down;

— tighten a fixing bolt 2 longitudinal levers the moment of 90 N · m;

— check and if necessary adjust the angles of installation of wheels.