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Home >> Mercedes Benz >> 2000 >> S430 >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes -- Testing & Repair -- 215 & 220 Chassis >> Testing & Repair >> Adjusting parking brake - AR42.20-P-0540 >> Adjusting parking brake - AR42.20-P-0540I

Adjusting parking brake - AR42.20-P-0540I

MODELS 215, 220 (except 215.379, 220.179) 

Fig 1: Identifying Adjusting Wheel
G04849517
MODIFICATION NOTES

2.12.02 Checking version of parking brake pedal assembly, added Step 1 BT42.20-P-0510-01A
2.12.02 Operate parking brake pedal and check pedal travel of parking brake pedal, included for the first time Step 2  
9.9.03 Play adjustment of brake shoes modified Step 10  
  Adjust     
DANGER Risk of death  cased by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the hydraulic hoist and position the four support plates below the hoist support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
NOTES Notes on repairs to brake system All models AH42.00-P-0003-01A
1 Check version of parking brake pedal assembly    
REFER TO COMPONENT MODIFICATIONS Parking brake pedal assembly modified   BT42.20-P-0510-01A
2 Operate parking brake pedal and check pedal travel of parking brake pedal IMPORTANT If the pedal travel is not within the tolerance range, 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 Lift vehicle with lifting platform until the wheels are clear    
4 Pre-tension automatic cable slack adjuster   AR42.20-P-0520-01A 
5 Remove rear wheels.    
REFER TO MAINTENANCE Remove/install wheels, rotate if necessary   AP40.10-P-4050Z
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 IMPORTANT Adjustment 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 bottom upwards.
 
7 Turn back the adjusting wheel (105) until the rear wheel can be turned completely freely IMPORTANT When slackening the adjusting wheels ensure that both sides are turned back by the same number of teeth (10 teeth).  
8 Relieve load on automatic cable slack adjuster.   AR42.20-P-0520-02A 
9 Actuate parking brake pedal several times 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 
10 Check that the rear wheels can turn freely    
11 Mount rear wheels    
REFER TO MAINTENANCE Remove/install wheels, rotate if necessary   AP40.10-P-4050Z
ADJUSTMENT VALUES FOR PARKING BRAKE

Number Designation Model 215, pedal assembly with pulled detent Model 215, 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
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A
ADJUSTMENT VALUES FOR PARKING BRAKE

Number Designation Model 220, pedal assembly with pulled detent Model 220, 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
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A