Check lining thickness of brake pads and condition of brake disks. · ap4210t4251ca · Mercedes-Benz WIS

AP42.10-T-4251CA

Check lining thickness of brake pads and condition of brake disks.

6.9.11

MODEL NMB613.367 /368
with VOSE front axle for O560,
with Lucas disk brake system D3

MODEL NMB613.367 /368 with REAR AXLE 746.211 /216
with Knorr SB 7000 disk brake system

W42.10-0008-02

Dimensions of brake disk

1 Brake disk

A Total thickness of new brake disk

B Wear limit

C Brake disk wear indicator

T42.10-0044-02

Possible wear patterns of brake disk surface

1 Brake disk

A1 Network-like cracking

B1 Cracks running to the center of the wheel hub

C1 Unevenness of surface

D1 Through-cracks

a Length of cracks

b Breadth and depth of cracks

c Brake lining friction surface

T42.10-0045-01

Brake pad thickness

2 Lining

3 Carrier plate

D Lining thickness, new condition

E Lining thickness, minimum

	Check
1	Remove wheels		AR40.10-T-1100B
2	Measure thickness of brake disks (1)	 Replace both brake disks (1) (against a separate order) if: - the brake disk wear indicator (C) is no longer visible or is worn on one side, - the service limit (B) is reached.
			*BE42.10-N-1001-08E
			*BE42.10-N-1001-09F
			*124589051900
3	Check the brake disk (1) for unevenness of the surface (C1)	 Replace both brake disks (1) (against a separate order) if unevenness of the surface (C1) exceed the permissible wear dimensions.
			*BE42.10-N-1002-08E
			*BE42.10-N-1004-09F
		Caliper gauge
4	Check brake disk (1) for cracks	 Network-type crack formation (A1) is permissible.
		 Replace both brake disks (1) (against a separate order) if: - the length of the cracks (a) or width and the depth of the cracks (b) exceed the permissible wear dimensions, - through-cracks (D1) are visible
			*BE42.10-N-1002-08E
			*BE42.10-N-1004-09F
		Caliper gauge
5	Check thickness of brake pads	 If the specified minimum lining thickness is reached the brake pads on the affected axle must be replaced complete.	*BE42.10-N-1003-11C
6	Mount wheels.		AR40.10-T-1100B

Test values for front brake disks

Number	Designation				Model 613.367/368 with VOSE front axle with Lucas D3 disk brake system


BE42.10-N-1001-08E	Brake disk thickness	New		mm	45
		Repair limit for friction linings with	8 mm carrier plate	mm	-
			10 mm carrier plate	mm	-
			Standard size	mm	41...45
			Oversize	mm	38...40
		Wear limit for friction linings with	8 mm carrier plate	mm	-
			10 mm carrier plate	mm	-
		Wear limit	absolute	mm	35
BE42.10-N-1002-08E	Brake disk	Maximum unevenness of surface		mm	1.5
		Maximum length of cracks		mm	63
		Maximum width and depth of cracks		mm	1,5

Test values for rear brake disks

Number	Designation				Model 613.367/368 with rear axle 746.211/216 with Knorr SB 7000 disc brake system


BE42.10-N-1001-09F	Brake disk thickness	New		mm	45
		Repair limit dimension		mm	>39
		Wear limit	absolute	mm	37
BE42.10-N-1004-09F	Degree of brake disk wear per side	Maximum unevenness of surface		mm	1,5
		Maximum length of cracks		mm	63
		Maximum width and depth of cracks		mm	1.5

Test specifications for brake caliper friction liner

Number	Designation			Model 613.367/368 with VOSE front axle with Lucas D3 disk brake system	Model 613.367/368 with RA 746.211/216 with Knorr SB 7000 disc brake system


BE42.10-N-1003-11C	Lining thickness	Minimum	mm	2	2

Caliper gauge

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