Inspect condition of brake disks

AP42.10-P-4258TX

2.10.07

MODEL 219

P42.10-2612-11

010  Measuring caliper

1 Brake disk

2 Crack length

Modification notes

14.2.07

Brake disk thickness

Type 219.322

 	Remove/install
 Danger!	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
 Danger!	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
	Notes on repairs to brake system		AH42.00-P-0003-01A
1	Remove wheels		AP40.10-P-4050TX
	Checking
2	Check brake disks (1) at front and rear axle	 Inspect for scores and cracks. Hairline cracks can occur due to high stress.
		 Ventilated, brake disks (1) with perforations and without perforations do not have to be replaced if the crack length (2) is a maximum of 25 mm. With perforated brake disks (1) measure crack length (2) inclusive hole diameter. For cracks and scores which have split open and are deeper than 0.5 mm: 
		Replace brake disks.	AR42.10-P-0220TX
	Measure
3	Measure thickness of brake disks on front and rear axles using caliper gauge  (010)	 Observe the recommended limit dimensions to ensure that the wear limit is not exceeded before the next change of brake pad; if necessary: 
		Replace brake disks.	AR42.10-P-0220TX
		Test values for front axle	*BE42.10-P-1001-08I
		Test values for rear axle	*BE42.10-P-1001-09G
		 Vernier caliper	*140589001900
4	Install in the reverse order

Test values for front brake disks

Number	Designation			Model 219.354/356/ 357/375	Model 219.372


BE42.10-P-1001-08I	Brake disk thickness	New	mm	32	32
		Wear limit	mm	29,4	30
		Wear limit for maintenance service	mm	30	30,6

Test values for front brake disks

Number	Designation			Model 219.322	Model 219.376	Model 219.377


BE42.10-P-1001-08I	Brake disk thickness	New	mm	28	36	36
		Wear limit	mm	25,4	34	33
		Wear limit for maintenance service	mm	26	34,6	33,5

Test values for rear brake disks

Number	Designation			Model 219.322/ 354/356/ 357/375	Model 219.372	Model 219.376	Model 219.377


BE42.10-P-1001-09G	Brake disk thickness	New	mm	22	24	26	26
		Wear limit	mm	19,4	21,4	24	24
		Wear limit for maintenance service	mm	20,0	22	24,6	24,5

140 589 00 19 00

Vernier caliper