Remove/install brake shoes · ar4210t1020a · Mercedes-Benz WIS

AR42.10-T-1020A

Remove/install brake shoes

15.6.09

MODEL NMB671 with FRONT AXLE 733.406

T42.10-0047-06

3 Shield

4 Inner return spring

5 Outer return spring

6 Brake shoe

7 Brake shoe pin

8 Pin lock

9 Screw

10 O-ring

11 Brake shoe

12 Screw

13 Brake spring hook

 Danger!	Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension	Use only approved tensioning devices; shield off hazard area if necessary. Inspect special tools for damage and proper operation (visual inspection). Wear protective gloves.	AS00.00-Z-0001-01A
	Removing
1	Remove wheel		AR40.10-T-1100A
2	Detach brake drum		AR42.10-T-1010A
3	Detach guard plate (3)	 Remove lower shield (3) only.
4	Unhook outer return spring (5) using brake spring hook (13)	Brake spring hook
5	Unhook inner return spring (4) using brake spring hook (13)	Brake spring hook
6	Remove bolt (9) and remove pin lock (8)
7	Remove brake shoe pins (7) and brake shoes (6, 11)	 Remove O-rings (10).	AR42.10-T-1020-01A
	Install
8	Install brake shoe pins (7) and brake shoes (6, 11)	 Grease brake shoe pins (7) and bushings on brake shoes (6, 11), remove O-rings (10).	AR42.10-T-1020-02A
			*BR00.45-Z-1001-06A
9	Mount pin lock (8) and screw-in bolt (9)	 The microencapsulated bolts (9) have to be replaced.
10	Attach inner return spring (4) with brake spring hook (13)	 Use a new inner retracting spring (4).
		Brake spring hook
11	Attach outer return spring (5) with brake spring hook (13)	 Use a new outer retracting spring (4).
		Brake spring hook
12	Skim new brake linings to the brake drum diameter		AR42.10-T-1110A
13	Mount guard plate (3)
14	Attach brake drum		AR42.10-T-1010A
15	Mount wheel		AR40.10-T-1100A

Repair materials

Number	Designation	Order number
BR00.45-Z-1001-06A	Long-life grease	A 000 989 63 51 11