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(Assess Condition Of Brake Linings - AP42.10-P-4252D)

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Model 253 

G13772417Courtesy of MERCEDES-BENZ USA
G13772418Courtesy of MERCEDES-BENZ USA
WARNING Warning Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
  Risk of death caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
  Notes on repairs to brake system   AH42.00-P-0003-01A
  Notes on handling, transport and storage of composite brake disks   AH42.10-P-9406-12LF
INSPECT Check    
1 Assess lining thickness (1) of brake linings on front axle IMPORTANT If necessary, use flashlight (2) or mirror (3). The thickness of the pad backing plate can be used as a guide when assessing brake lining thickness. Brake lining thickness
If, in exceptional cases, assessment by means of visual inspection is not possible:
↓
Detach wheel and tire assemblies and inspect them, subject to separate repair order.		 *BE42.10-P-1001-06B 
2 Assess lining thickness (1) of brake linings on rear axle IMPORTANT If necessary, use flashlight (2) or mirror (3). The thickness of the pad backing plate can be used as a guide when assessing brake lining thickness. Brake lining thickness
If, in exceptional cases, assessment by means of visual inspection is not possible:
↓
Detach wheel and tire assemblies and inspect them, subject to separate repair order.		 *BE42.10-P-1001-18B 
3 Determine likely remaining distance of brake linings NOTES If the wear limit for the brake linings is reached, the brake linings must be replaced subject to a separate repair order. Otherwise the braking effect may be impaired and people, property and environmental damage may result!
IMPORTANT Per axle, the brake pad with the least lining thickness (1) is to be used for determining the likely remaining distance.
In order to avoid an unscheduled workshop visit between services, it is necessary to determine the remaining distance of the present brake linings. If the remaining distance determined is smaller than the next service interval, premature brake pad replacement should be recommended to the customer.		 AP42.10-P-4253-03EW
CHECK VALUES FOR FRONT AXLE BRAKE LINING

Number Designation Model 253
BE42.10-P-1001-06B Brake lining thickness Brake pad, new mm 13
Pad backing plate mm 5
Wear limit mm 2
Wear indicator activated (if installed) mm 2-3
CHECK VALUES FOR REAR AXLE BRAKEPAD

Number Designation Model 253
BE42.10-P-1001-18B Brake lining thickness Brake pad, new mm 11
Pad backing plate mm 5
Wear limit mm 2
Wear indicator activated (if installed) mm 2-3
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