| Symptoms |
Possible Defect |
Action |
| A. Pedal Contacts floor |
1.Badly adjusted
2.Linings worn
3.No brake fluid |
Adjust brakes properly
Adjust Brake system
Refill system |
| B. Pedal feels spongy |
1. Air in system
2.Insufficient fluid in reservoir |
a. Bleed system
a. Top up fluid and bleed system |
| C.Pedal can be depressed without brake action even thoughshoes have been adjusted and system bleed |
1.Fault in mastercylinder |
a. Renew master cylinder |
| D.Braking effort decreses and pedal goes to the floor with brake shoes adjusted |
1.Brake pipes or hoses leaking
2.Damaged or defective cups in m/cylinder or w/cylinders |
a.Tighten connections or fit new pipes or hoses
a.Renew leaking w/cylinder or defective m/cylinder |
| E. brakes overheat |
1. Insufficient push-rod free-play in m/cylinder blocked
2. Return spring weak
3.Rubber parts swollen due to use of unsuitable brake fluid |
a.Adjust free play
b.Fit new return springs
c. Drain fluid,remove all rubber parts and flush system,replace all parts in mastercylinder |
| F.Brakes tend to grab |
1.Linings worn, rivets protrude from lining
2.Drums have run out
3.Oil on linings |
a.Fit new linings
a.Skim of fit new ones
a.Fix leak,renew shoes if bad enough |
| G.Brake pedal tends to pulsate. |
1.Drums have run out
2.Warped wheels can cause run out |
a.Machine or replace
a.Try another set of wheels |
