ar4210b0030c

Releasing combination cylinder mechanically

Tipo ar · tema 42.10 · versione 0301 · 2016-02-12

Valido per: Vehicle 979 with Rear axle 743.45 with CODE B02 (Anti-block system (ABS) for brakes)

Non disponibile in “it”; mostrato in Inglese.

Collocazione

Gruppo funzionale 2 Telaio › 42 Freni impianto idraulico e meccanico › 42.10 Freno di servizio — Serie 979

EinPAS 21 Freni/impianto di depressione/impianto pneumatico › 21.15 Freno di servizio/impianto di depressione › 21.15.40 Freno di servizio anteriore — Serie 979

EinPAS 21 Freni/impianto di depressione/impianto pneumatico › 21.15 Freno di servizio/impianto di depressione › 21.15.42 Freno di servizio posteriore — Serie 979

Valido anche per motori/cambi: 743 45*

AR42.10-B-0030C

Releasing combination cylinder mechanically

12.02.16

Vehicle 979 with Rear axle 743.45 with CODE B02 (Anti-block system (ABS) for brakes)

Releasing combination cylinder mechanically

B42.10-0507-11

Represented on rear axle 743.45

1 Combined cylinder

2 Plug

3 Nut

4 Accumulator spring recoil bolt

5 Relief bolt

X Locking position

Loosen

1

Chock the vehicle against unintentional displacement

In the case of no compressed air, the combined cylinder parking brake can be released mechanically.

The vehicle wheels are to be chocked whenever any brake system repair service occurs.

2

Remove the nut (3) and lift out the spring recoil bolt from the housing (4)

3

Disconnect the compressed air hoses from the combined cylinder (1)

Before disconnecting the hoses on the combined cylinder (1), it is necessary to identify them, to facilitate at assembly.

4

Remove the plug (2) and lift out the relief bolt (5) on the combined cylinder (1)

5

Insert the relief bolt (5) again in the combined cylinder (1), and fit it in the slot of the emergency disc, turning 1/6 of one turn until locking it

6

Turn the nut of the relief bolt (5) and recoil the emergency spring until locking

The parking brake has to be deactivated, during the recoiling procedure up to the position of locking (X) of the emergency spring.

Actuate

7

Remove the relief bolt (5) from the combined cylinder (1)

Install the recoil bolt of the spring (4), and tighten the nut (3) to the specified torque.

*BA42.10-B-1002-08D

8

Connect the compressed air hoses of the combined cylinder (1)

Connect the hoses of the combined cylinder (1), according to the identification made, to facilitate in the assembly.

9

Install the relief bolt (5) again in the combined cylinder (1)

10

Apply the parking brake

Brake cylinder

Número

Denominação

Vehicles 979.02/04/07/09, 979.27

BA42.10-B-1002-08D

Mechanic relief bolt - maximum

- To release

Nm

35

- To tighten

Nm

45