Drum Brakes
The pic above is of a drum brake that has been stripped of everything inside.
There are 3 types of brake drums!
The drum brakes consist of the following components:
2 x Shoe's - 1 x Rear Shoe, 1 x Front shoe
1 x Parking Brake
1 x Parking Brake Cable & Spring
1 x Wheel Cylinder
2 x Brake Shoe Tension Springs
2 x brake Shoe retaining Clips
The above is a Servo Drum Brake System
There is also Symplex & Duplex
The video on the left is of Hans our tutor showing us how the brake drum cover comes off. These tend to stick a bit & may need a bit of a tap to loosen it.
To the right we have the drum brake is fully dismantled, Both shoes, clips & all springs have been pulled off. After everything is off then we can start measuring all components.
(Left) Here the brake line has been clamp
(Right) loosing the wheel cylinder so we are able to do of car testing on it!
(Left) Once I had pulled the drum apart, me & my partner had checked everything that needed checking then my partner put the drum back together.
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