Troubleshooting - PRONAR T672ECO User Manual

Chapter 6

6.7 TROUBLESHOOTING

Table 6.4. Faults
Fault
Trouble with starting.
Noise in the hub of the
axle.
Low braking efficiency.
PRONAR T672ECO
6.14
Possible cause
Brake system lines not con-
nected.
Parking brake applied.
Pneumatic connection lines
damaged.
Connection leakage.
Defective control valve or
braking force regulator.
Low pressure in
the pneumatic system.
Excessive bearing looseness.
Damaged bearings.
Damaged hub components.
System pressure too low.
System leakage.
Damaged tractor air compres-
sor.
Damaged brake valve on the
tractor.
Technical Support
Solution
Connect the brake lines.
Release the parking brake.
Replace.
Tighten, replace washers or seal-
ing sets, replace hoses.
Check valve, repair or replace.
Fill the system with the correct
pressure.
Check the clearance and adjust if
necessary.
Replace bearings.
Replace.
Check the pressure on the pres-
sure gauge on the tractor, wait for
the compressor to fill the tank to
the required pressure.
Check systems for leaks.
Repair or replace.
Repair or replace.