Troubleshooting tips for Dual Full Air Brake Systems and methods to identify leakages :
| 6.0
PROBLEM: Poor brake / wheel rolling |
6.1
|
Foundation
brakes
|
- Excess clearance between
drum and brake lining.
- Glazy lining / brake drum.
- Excess drum ovality.
|
Adjust
the bakes.
Rectify or replace as per recommendation.
Rectify or replace as per recommendation. |
6.2
|
Brake
chambers and spring brake actuators
|
- Leakage through diaphragm.
- Leakage through clamp ring
joint.
- Wrong setting of push rod
fork stand out.
|
Replace
diaphragm.
Tighten clamp ring bolt.
Set to correct dimension.
|
6.3
|
Dual
Brake Valve - or RelayValve - if fitted
|
- Stickly operation of valve.
- Dual brake valve not operated
to full travel.
|
Sticky
operation of valve. Overhaul the assy.*
Check and rectify pedal travel.
|
6.4
|
System
pressure
|
System
pressure not maintained.
|
Adjust/rectify
to correct system pressure. |