Chapter 6
6.15
PRONAR T672ECO
Technical Support
Fault
Possible cause
Solution
Excessive heating of
the axle hub.
Incorrectly adjusted service or
parking brake.
Adjust the expander arm positions
or parking brake cable tension.
Worn brake pads.
Replace brake shoes.
Incorrect hydraulic sys-
tem operation.
Incorrect hydraulic oil viscosity.
Check oil quality,
make sure that the oils in both
machines
are of the same grade. If neces-
sary,
change the oil in the tractor
and / or trailer.
Insufficient tractor hydraulic
pump performance, tractor
hydraulic pump defective.
Check the hydraulic pump on the
tractor.
Damaged or dirty actuator.
Check the cylinder piston rod
(bending, corrosion), check the
cylinder for leaks (piston rod seal),
repair or replace the cylinder if
necessary.
Actuator load too high.
Check and reduce the cylinder
load if necessary.
Damaged hydraulic lines.
Check and make sure that the hy-
draulic hoses are tight, not kinked
and properly tightened. Replace or
tighten as necessary.
Contaminated hydraulic oil.
Check oil cleanliness, replace fil
-
ters, change oil. clean the tank.
Incorrect oil level.
Check oil level and make up for
leaks.
Deregulated valves
or limit switches
Adjust limit valves and
limit switches
The individual functions
of the machine do not
work.
Hydraulic system hoses not
connected or not connected
correctly.
Check the connection and connect
the cables in accordance with the
operating instructions.
Trailer control electrical system
not connected.
Check the connection and connect
the cables in accordance with the
operating instructions.
Summary of Contents for T672ECO
Page 3: ...INTRODUCTION ...
Page 10: ...Introduction 8 PRONAR T672ECO ...
Page 11: ......
Page 12: ......
Page 15: ......
Page 16: ......
Page 17: ...GENERAL CHAPTER 1 ...
Page 32: ...SAFETY OF USE CHAPTER 2 ...
Page 51: ...Chapter 2 Safety of use 2 20 PRONAR T672ECO ...
Page 52: ...CONSTRUCTION AND PRINCIPLE OF OPERATION CHAPTER 3 ...
Page 71: ...RULES OF USE CHAPTER 4 ...
Page 101: ...PERIODIC INSPECTIONS OF THE TRAILER CHAPTER 5 ...
Page 131: ...TECHNICAL SUPPORT CHAPTER 6 ...
Page 147: ......
Page 148: ......
Page 150: ...APPENDIX A A 2 PRONAR T672ECO ...