If any of the above is found, replace the brake caliper and the dust cover seal.
6.2.4.5 Brake Disc Surface and Worn Inspection
1. Clean the brake disc brake friction surface with industrial alcohol or a permitted equivalent detergent.
2. Check the brake disc friction surface for the following conditions:
•
Severe corrosion and / or pitting
•
Minor Surface Rust
•
Cracking and / or Sunburn
•
Serious Color Changing (Blue)
•
Deep scratches on the brake disc friction surface
If one or more of the above exists, then the brake disc needs to be repaired or replaced.
Note
After the brake disk surface repair or replacement, the brake pad needs to be replaced.
6.2.4.6 Brake Disc Thickness Measurement
FE06-0015b
1. Clean the brake disc brake friction surface with industrial alcohol or similar cleaning agent .
2. With a micrometer to measure and record evenly distributed 4 or more points minimum thickness along the circumference of the
brake disc. Make sure that only measure the brake pad lining contacting area. For each measurement, the micrometer and the
brake disc outer edge distance must be equal.
3. If the brake disc thickness exceeds the specifications, replace the brake disc.
Note
After the brake disk repair or replacement, the brake pad should be replaced.
6.2.4.7 Brake Disc Assembly Rear Face Run Out Measurement
Note
When removing the brake disc from the wheel hub / axle flange, remove the rust or dirt from the wheel hub / axle flange
and the brake disc mating surface, otherwise, it could lead to brake disc assembly rear face excessive run out, lead to
the brake pulsation.
6-8
Front Brake
Brake System
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
Page 4: ......
Page 330: ...Next Step 10 End 2 248 Fuel System JL4G18 D Engine EC718 EC718RV EC715 EC715RV 10 2009 ...
Page 1164: ......
Page 2008: ......