Removal

Mark brake shoes if they are be used repeatedly. They should be established back on the places, differently there will be an unevenness of distribution of brake forces between wheels.

Remove wheels.

Fig. 6.26 . Squeezing of a holding spring

Press on holding spring in the arrow A direction while on it it will be possible to press from an opening in the arrow B direction (fig. 6.26) .

Fig. 6.27 . Povorachivaniye of a holding spring

Turn holding spring 1 clockwise while it will be impossible to take it from the top opening (fig. 6.27) .

Fig. 6.42 . Removal of components of a cable of the indicator of wear of brake shoes

Disconnect shtekerny connection of 1 indicator of wear of brake shoes (fig. 6.42) .

Take a cable of the indicator of brake shoes from the holder 2 on a brake support.

Remove the lower part of the tip 3 indicators of wear of brake shoes and a cable of the sensor of frequency of rotation 4 of the holder on a brake support.

Fig. 6.43 . Removal of caps

Remove caps (fig. 6.43) .

Turn off and take both directing fingers from a brake bracket.

Remove a brake support and to strengthen it a wire so that it in the weight did not press on a brake hose and did not damage it.

Take brake shoes.

Clear a basic surface of brake shoes in a bracket holder, remove corrosion.

Cleaning of a brake support.

For cleaning of a brake support use only alcohol.

Installation

Before pressing pistons into the cylinder by means of the special device, it is necessary to pump out brake liquid from a tank. Otherwise in a case долива liquids it can flow out and cause damages.

Fig. 6.44 . Installation of pistons

Press pistons by means of the T10145 tool (fig. 6.44) .

NOTE Internal brake shoes (on the party of pistons) are established for a certain direction of movement therefore it is necessary to put marking on them.

Brake shoes which are established for a certain direction движенияв the established condition on a reverse side of a brake shoe should show down (in the direction of rotation of a brake disk) (fig. 6.45) .

Fig. 6.45 . Brake shoes

Fig. 6.46 . Installation of a brake shoe

Establish a brake shoe with holding springs in the piston (fig. 6.46) .

Establish an external brake shoe in a bracket holder.

Fix a brake support two directing bolts on a bracket holder.

Establish both caps.

Press a cable of the sensor of frequency of rotation 4 in the holder on a brake support.

Connect tips 3 and 1 of the indicator of wear of brake shoes in the holder on a brake support.

Fix a cable of the indicator of wear of brake shoes in the holder 2 on a brake support.

Establish holding spring in the top opening, then turn clockwise.

Establish the bottom holding spring on a bracket holder.

Then press holding spring at first in the direction of an arrow A and then at the same time in an opening of a brake support in the arrow B direction (fig. 6.26) .

Establish wheels.

NOTE After each replacement of brake shoes several times strongly press a brake pedal. It is necessary in order that brake shoes occupied the working situation.

After replacement of blocks check level of brake liquid.

Inhaling moment

Brake support to a bracket holder: 30 N · m.