Checking alignment of steering knuckle (removed) - AR40.30-P-0451B

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MODEL 140

Fig 1: Identifying Alignment Of Steering Knuckle - Model 140

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removing, installing
1	Remove/install steering knuckle		AR33.25-P-0400A
	Measuring
2	Place steering knuckle with attached wheel hub or brake disc on parallel supports.		*WH58.30-Z-1015-12A
3	Measure and note height dimension "A" as comparative measurement with a height marking device.	Measure on the flat surface of the brake caliper mounting.	*WH58.30-Z-1016-12A
4	Measure and note height dimension "B1-B3" at the lowest point of the respective bore.	The test values are calculated from the difference between height dimension "A" and the height dimensions: "B1" = Supporting joint mounting "B2" = Upper wishbone mounting "B3" = Steering knuckle arm mounting	*BE40.30-P-1001-01A

TEST VALUES FOR STEERING KNUCKLE

Number	Designation			Model 140
BE40.30-P-1001-01A	Difference in height measurement	"A" - "B1"	mm	3.2 ±1
		"B2" - "A"	mm	82.3 ±1
		"B3" - "A"	mm	79.1±1
		See figure		AR40.30-P-0451B

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1015-12A	Parallel bases
WH58.30-Z-1016-12A	Height marking device