Install, remove automatic brake adjuster - AR42.10-P-0169GG

MODEL 460, 461, 463 with drum brakes on the rear axle 

MODIFICATION NOTES

29.11.2011	Long-life grease repair materials replaced by hot-grease paste	Step 6
08.11.2012	Clearance of brake shoes		BE42.10-P-1001-13A
08.11.2012	Adjustment value for automatic adjuster		BE42.10-P-1002-13A

Fig 1: Automatic Brake Adjuster Remove/Install Components (1 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 2: Automatic Brake Adjuster Remove/Install Components (2 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 3: Automatic Brake Adjuster Remove/Install Components (3 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 4: Automatic Brake Adjuster Remove/Install Components (4 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 5: Automatic Brake Adjuster Remove/Install Components (5 Of 5)

Courtesy of MERCEDES-BENZ USA

	Remove
	Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
1	Remove rear wheel
	Remove/install wheels, rotate if necessary		AP40.10-P-4050G
2	Remove retaining bolt (122)	Replace locking bolt (122).
3	Release parking brake and detach brake drum (119)	If the brake drum (119) cannot be detached, release the brake shoes by turning back the automatic adjuster (53a): ↓
		Adjust automatic brake adjuster.	AR42.10-P-0169-01GG
		Clearance of brake shoes	*BE42.10-P-1001-13A
4	Unhook return spring (124) and press back the brake shoes	Removal and installation tool	Figure
5	Remove bolt (77) and remove automatic adjuster (53a)
	Install
6	Install automatic brake adjuster (53a).	Position automatic adjuster (53a) in the center of the elongated hole in the brake carrier plate. Slightly tighten the bolt (77). Apply light coating of grease to bolts (1). Snap transfer elements (2) into notches in bolts (1).
		Paste, hot lubrication 1 kg, DBL 6879.20	*BR00.45-Z-1005-06A
7	Insert brake shoe into groove in transfer elements (2) and attach lower return spring (124)	Ensure that the lower return spring engages securely (124).
		Removal and installation tool	Figure
8	Mount the brake drum (119) and install new safety-screw (122)	Safety screw, brake drum to wheel hub	*BA42.10-P-1001-16A
9	Adjust automatic brake adjuster (53a).		AR42.10-P-0169-01GG
		Clearance of brake shoes	*BE42.10-P-1001-13A
		Adjustment value for automatic adjuster	*BE42.10-P-1002-13A
10	Tighten screw/bolt (77)	Bolt, automatic adjuster to carrier plate	*BA42.10-P-1003-16A
11	Install rear wheel
Remove/install wheels, rotate if necessary			AP40.10-P-4050G
	Risk of accident  when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work.	Before starting the engine, actuate brake pedal several times until pressure is built up and maintained in the brake system.	AS42.50-Z-0002-01A
12	Push down brake pedal several times	Firm resistance should be noticeable at the brake pedal.
	Check
13	Check parking brake adjustment, adjust parking brake if necessary		AR42.20-P-0540GG

CHECK VALUES FOR BRAKE SHOES

Number	Designation		Model 460, 461, 463
BE42.10-P-1001-13A	Clearance of brake shoes	mm	0, 3 (± 0, 1)

CHECK VALUES FOR BRAKE SHOES

Number	Designation			Model 460, 461, 463
BE42.10-P-1002-13A	Adjustment value for automatic adjuster	Installation dimension "a"	mm	82
		Distance "b"	mm	11
		Picture		AR42.10-P-0169-01GG

DRUM BRAKE

Number	Designation		Model 460	Model 461
BA42.10-P-1001-16A	Safety screw, brake drum to wheel hub	Nm	20	20

DRUM BRAKE

Number	Designation		Model 463
BA42.10-P-1001-16A	Safety screw, brake drum to wheel hub	Nm	20

DRUM BRAKE

Number	Designation		Model 460	Model 461
BA42.10-P-1003-16A	Bolt, automatic adjuster to carrier plate	Nm	65	65

DRUM BRAKE

Number	Designation		Model 463
BA42.10-P-1003-16A	Bolt, automatic adjuster to carrier plate	Nm	65

Fig 6: Identifying Removal And Installation Tool (116 589 01 62 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1005-06A	Paste, hot lubrication 1 kg, DBL 6879.20	A 000 989 76 51