| | Results of the tests |
| 1 | CHECK FOR FLUID LEAKS | All OK | Problems met | Operation |
|---|
| Visually
check the braking system for leaks | Continue to Step 2 | Fluid leak detected | Retighten the connectors
(see Assembly 3330A) |
| Component defective | Replace faulty component |
| 2 | CHECK BRAKE PUMP FOR FLUID LEAKS | All OK | Problems met | Operation |
|---|
| Disconnect
the non-return valve connector from the servo unit and insert a
tube brush into the bottom of the servo unit chamber. Check that there
is no fluid in the chamber | Continue to Step 3 | Fluid present in the servo
unit chamber | Replace the servo unit Op. 3330D10 |
| 3 | CHECK FOR AIR IN THE SYSTEM | All OK | Problems met | Operation |
|---|
| Check
for presence of air in the braking system | Continue to Step 4 | Presence of air in the
system | Bleed
the system Op. 3330A18 |
| 4 | CHECK EFFICIENCY OF REAR BRAKE PLAY
TAKE-UP DEVICE | All OK | Problems met | Operation |
|---|
| Check
the efficiency of the rear brake play take-up device. | Continue to Step 5 | Faulty brake play take-up
device | Replace
the cylinders Op. 3320B20 |
| 5 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Search for the
fault starting from another symptom' |