Remove/install brake shoes at rear axle - AR42.10-P-0165GG

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

Fig 1: Identifying Rear Axle Brake Shoes Remove/Install Components (1 Of 6)

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Fig 2: Identifying Rear Axle Brake Shoes Remove/Install Components (2 Of 6)

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Fig 3: Identifying Rear Axle Brake Shoes Remove/Install Components (3 Of 6)

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Fig 4: Identifying Rear Axle Brake Shoes Remove/Install Components (4 Of 6)

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Fig 5: Identifying Rear Axle Brake Shoes Remove/Install Components (5 Of 6)

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Fig 6: Identifying Rear Axle Brake Shoes Remove/Install Components (6 Of 6)

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	Remove/install
	Risk of injury  to skin and eyes caused by handling hot or glowing objects.	Wear safety gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
1	Remove rear wheels
	Remove/install wheels, rotate if necessary		AP40.10-P-4050G
2	Remove lock screw (122)	Installation:  Replace securing bolt (122)
			*BA42.10-P-1001-16A
3	Release parking brake and detach brake drum (119)	Should it prove impossible to remove the brake drum (119), turn back the automatic adjuster to release the brake shoes (92). ↓
		Adjust automatic brake adjuster.	AR42.10-P-0169-01GG
		Clearance of brake shoes	*BE42.10-P-1001-13A
	Checking
4	Check brake drum (119) for wear	Brake drum dia.ø	*BE42.10-P-1002-12A
5	Unclip upper return spring (116)	Installation:  Ensure that the upper return spring (116) is securely hooked in place.
		Removal and installation tool	Fig 7
6	Unhook lower return spring (124)	Installation:  Pay attention to correct seat of lower return spring (124).
		Removal and installation tool	Fig 7
7	Extract push rod (107) with spring (110) and spring seat (113)	Installation:  Ensure that push rod (107), spring (110) and spring seat (113) are seated correctly.
8	Remove expanding springs (117)	Assembly tool	Fig 8
9	Remove brake shoes (92)	Installation:  Install rear brake shoe first (92). Before installing the upper return spring (116) for the front brake shoe (92), insert the push rod (107), compression spring (110) and spring cup (113).
	Checking
10	Check brake shoe (92) for wear	Brake lining thickness	*BE42.10-P-1003-12A
11	Unhook parking brake cable (41) from parking brake lever (92a)
12	Check the condition and operation of the automatic adjuster	If required, replace automatic adjuster: ↓
		Remove/install automatic brake adjuster.	AR42.10-P-0169GG
13	Install in the reverse order
14	Adjust automatic brake adjuster.		AR42.10-P-0169-01GG
		Clearance of brake shoes	*BE42.10-P-1001-13A
		Adjustment value for automatic adjuster	*BE42.10-P-1002-13A
	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 engine, actuate brake pedal several times until the pressure is built up and maintained in the brake system.	AS42.50-Z-0002-01A
15	Push down brake pedal several times	Firm resistance should be noticeable at the brake pedal.
16	Apply brake 5 times when driving forwards and reversing.	As when reversing while driving forwards only the rear brake shoes adjust, also brake hard several times, so that the front brake shoes likewise adjust.
	Checking
17	Check adjustment of parking brake, adjust if necessary		AR42.20-P-0540GG

TEST VALUES FOR DRUM BRAKE

Number	Designation			Model 460, 461, 463
BE42.10-P-1002-12A	Brake drum dia.0	Normal	mm	270 (+0, 2)
		Repair size I	mm	271 (+0, 2)
		Repair size II	mm	272 (+0, 2)
BE42.10-P-1003-12A	Brake lining thickness	Normal	mm	9.0
		Repair size I	mm	9, 5
		Repair size II	mm	10, 0
		Minimum lining thickness	mm	3.5

TEST VALUES FOR BRAKE SHOES

Number	Designation			Model 460, 461, 463
BE42.10-P-1001-13A	Clearance of brake shoes		mm	0, 3 (±0, 1)
BE42.10-P-1002-13A	Adjustment value for automatic adjuster	Installation dimension "a"	mm	82
		Dimension "b"	mm	11
		See picture		AR42.10-P-0169-01GG

DRUM BRAKE

Number	Designation		Model 460, 461, 463
BA42.10-P-1001-16A	Locking bolt, brake drum to wheel hub	Nm	20

Fig 7: Identifying Removal And Installation Tool (116 589 01 62 00)

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Fig 8: Identifying Assembly Tool (606 589 00 61 00)

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