Adjust parking brake - AR42.20-P-0540EW

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MODEL 207, 212, 218

Fig 1: Thumbwheel, Parking Brake Shoe & Brake Disk

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

20.7.10

"Perform brake test on test bench" reference changed

Test sequence augmented/revised

	Removing
	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	Release parking brake
2	Remove rear wheels	Model 207	AP40.10-P-4050CW
2	Remove rear wheels	Model 212, 218	AP40.10-P-4050EW
	Adjust
3	Using a screwdriver turn the right and left adjustment wheel (1) until the brake shoes (2) abut the drums	Turning direction to apply the brake shoes (2): Turn the right adjustment wheel (1) against the direction of travel. Turn the left-hand adjusting wheel (1) in the direction of travel.
	Checking
4	Check brake disks (3) for locking up:	It must not be possible to turn the brake disks (3) by hand.
5	Release the left-hand and right-hand adjusting wheel (1)	Release the left-hand and right-hand adjusting wheel (1) by the same number of teeth.	*BE42.20-P-1001-01I
6	Check brake disks (3) for unobstructed movement:	It must be possible to turn the brake disks (3) completely freely by hand.
7	Operate parking brake
8	Check brake disks (3) for locking up:	It must not be possible to turn the brake disks (3) by hand.
9	Release parking brake
10	Check brake disks (3) for unobstructed movement:	It must be possible to turn the brake disks (3) completely freely by hand.
	Install
11	Fit rear wheels	Model 207	AP40.10-P-4050CW
11	Fit rear wheels	Model 212, 218	AP40.10-P-4050EW
12	Lower vehicle
13	Carry out brake test on the test stand		AP42.00-P-4290BA

ADJUSTMENT VALUES FOR PARKING BRAKE

Number	Designation		Model 207	Model 212	Model 218
BE42.20-P-1001-01I	Number of teeth by which adjusting wheel of adjusting mechanism must be loosened after the parking brake shoes make contact.	Number of teeth	8	10	10