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

MODEL 230

Fig 1: Identifying Parking Brake Cables

Courtesy of MERCEDES-BENZ USA

Fig 2: Adjusting Parking Brake

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

23.8.05

Clearance adjustment value changed to 10 teeth

Step 7

	Inspecting, setting
	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between the columns of the and position the four support plates below the lifting platform support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
1	Check version of parking brake pedal assembly
	Parking brake pedal assembly modified		BT42.20-P-0510-01A
2	Operate parking brake pedal and check pedal travel of parking brake pedal	If the pedal travel is outside the specified value, adjust parking brake.
		Actuating force on parking brake pedal	*BE42.20-P-1001-01C
		Notches through which the parking brake pedal must be depressed	*BE42.20-P-1002-01C
3	Hoist vehicle with lifting platform until wheels are free
4	Remove rear wheels.
	Remove/install wheels, rotate if necessary		AP40.10-P-4050Z
5	Slacken adjusting screw (89)
	Notes on repairs to brake system	All models	AH42.00-P-0003-01A
6	Using a suitable tool, turn the adjusting wheel (105) until the brake shoes touch the brake drum and the rear wheel no longer turns	Actuation direction for applying the brake shoes: Right side: Turn the adjusting wheel (105) from the bottom upwards. Left side: Turn the adjusting wheel (105) from the top downwards.
7	Turn back the adjusting wheel (105) until the rear wheel can be turned completely freely	When releasing the adjusting wheel ensure that both sides can be turned back by the same number of teeth (10 teeth).
8	Screw in adjustment bolt (89), continuing until the parking brake cable (86) no longer sags
9	Operate parking brake pedal several times and check pedal travel of parking brake pedal.	If the pedal travel is outside the specified value, adjust parking brake.
		Actuating force on parking brake pedal	*BE42.20-P-1002-01C
		Notches through which the parking brake pedal must be depressed	*BE42.20-P-1001-01C
10	Check that the rear wheels can turn freely
11	Fit rear wheels
	Remove/install wheels, rotate if necessary		AP40.10-P-4050Z

ADJUSTMENT VALUES FOR PARKING BRAKE

Number	Designation		Model 230, pedal assembly with pulled detent	Model 230, pedal assembly with pushed detent
BE42.20-P-1001-01C	Actuating force on parking brake pedal	N	170 (-50/+70)	170 (-50/+70)
BE42.20-P-1002-01C	Notches through which the parking brake pedal must be depressed	Quantity	1	5
BE42.20-P-1002-01C		See fig.	BT42.20-P-0510-01A	BT42.20-P-0510-01A