ar4210b1090he

Checking brake drum and brake linings for wear

Tipo ar · tema 42.10 · versione 0102 · 2019-04-04

Valido per: Model 963, 964 with rear axle 740.880/884 with code B2B (Drum brakes on front and rear axle)

Non disponibile in “it”; mostrato in Inglese.

Collocazione

Gruppo funzionale 2 Telaio › 42 Freni impianto idraulico e meccanico › 42.10 Freno di servizio — Serie 963 · Serie 964

EinPAS 21 Freni/impianto di depressione/impianto pneumatico › 21.15 Freno di servizio/impianto di depressione › 21.15.40 Freno di servizio anteriore — Serie 963 · Serie 964

EinPAS 21 Freni/impianto di depressione/impianto pneumatico › 21.15 Freno di servizio/impianto di depressione › 21.15.42 Freno di servizio posteriore — Serie 963 · Serie 964

Valido anche per motori/cambi: 740 880, 740 884

AR42.10-B-1090HE

Checking brake drum and brake linings for wear

28.03.2019

Model

963, 964 with rear axle 740.880/884

with code B2B (Drum brakes on front and rear axle)

Checking brake drum and brake linings for wear

Represented on rear axle 748.29

1

Brake linings

A

Brake lining total thickness

B

Brake lining minimum thickness

W42.10-0062-12

Topical note

Guidelines for cleaning brake linings

AH42.10-N-0005-01A

Remove

1

Remove the brake drum

Remove/install brake drum

AR42.10-B-1010HE

2

Clean the drum and brake shoes

Check

3

Check if the brake drum has cracks due to heat, furrows and wear

If there are cracks due to heat, furrows or wear:

Machine the inner surface of the brake drum or replace the brake drum.

Brake drum inside diameter

*BE42.10-B-1001-12E

If the inner surface of the brake drum has been machined or if the brake drum has been replaced:

Replace the brake linings (1).

4

Check the brake lining thickness (1)

Brake linings thickness

*BE42.10-B-1001-13E

If the brake lining thickness is too reduced:

Replace the brake linings (1).

Minimum brake lining thickness, for replacement

*BE42.10-B-1007-13E

Install

5

Install the brake drum

Remove/install brake drum

AR42.10-B-1010HE

Drum brake

Number

Designation

Type 934.241/251, 938.142, 936.315, 963.4, 964.2 with rear axle 740.880/881/884/885/892/893, 746.23/314/315, 748.27/594, 749.119/143

BE42.10-B-1001-12E

Brake drum inside diameter

Normal

mm

410,0

Repair I

mm

411,5

Repair II

mm

413,0

Wear limit

mm

414,5

Brake shoes

Number

Designation

Type 964.2 with rear axle 740.884

Type 963.4 with rear axle 740.880

BE42.10-B-1001-13E

Brake linings thickness

Normal

mm

17,0

18,0

Repair I

mm

18,0

18,8

Repair II

mm

19,0

19,5

Brake shoes

Number

Designation

Type 964.2 with rear axle 740.884

Type 963.4 with rear axle 740.880

BE42.10-B-1007-13E

Minimum brake lining thickness, for replacement

Normal

mm

-

5

Repair I

mm

-

6

Repair II

mm

-

7

Documenti citati