Remove/install brake shoes

AR42.10-W-1020D

15.6.09

MODEL 970, 972, 976
with drum brake (wedge unit)

W42.10-1036-12

Shown on front axle 731.700

1 O-rings

2 Upper brake shoe

3 Return spring

4 Brake shoe pin

5 Pin lock

6 Screw

7 Lower brake shoe

Modification notes

26.8.06	Skim new brake linings to brake drum diameter, added.	Step 1	AR42.10-W-1110A
	Install brake shoe pin (4), added.	Step 3	AR42.10-W-1020-02B

 	Remove/install
1	Remove brake drum	Front axle	AR42.10-W-1010C
		Rear axle	AR42.10-W-1010F
		 Installation: When new brake linings have been installed: 
		Skim new brake linings to the brake drum diameter.	AR42.10-W-1110B
2	Unhook both return springs (3)	 Installation: Attach retracting springs (3) with cranked section pointing toward inside.
3	Remove brake shoe pin (4)		AR42.10-W-1020-01B
		 Installation: Install brake shoe pins (4).	AR42.10-W-1020-02B
			*BA42.10-N-1002-16C
			*BR00.45-Z-1001-06A
4	Remove upper brake shoe (2) and lower brake shoe (7)
5	Remove O-rings (1) on upper brake shoe (2) and lower brake shoe (7)	 Installation: Use new O-rings (1), grease bushings.	*BR00.45-Z-1001-06A
6	Install in the reverse order

 Drum brake

Number	Designation		Model 970, 972, 976


BA42.10-N-1002-16C	Bolt, pin lock to brake carrier	Nm	36

Repair materials

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