Iveco Stralis AT/AD. Manual — part 131
1
YES
NO
Inefficient lever operation.
Replace the lever.
Inefficient electronic control unit operation.
Check and if necessary replace the control unit.
Inefficient electric system operation.
Determine the trouble and restore the system.
(continues)
4
-
Poor or no retarder disengagement.
5
-
Indicator light comes on intermittently
(lever on 1-6).
6
-
Temperature control trips early.
Main retarder operating trouble:
1
-
No braking effect.
2
-
Poor braking effect.
3
-
Irregular braking effect.
YES
NO
YES
NO BRAKING EFFECT
2
YES
NO
Incorrect use of the retarder.
Use the retarder properly, keeping to the instructions
given in the operation and maintenance handbook.
Low oil level.
Top up the oil level.
POOR BRAKING EFFECT
YES
14
INTARDER - ZF HYDRAULIC RETARDER
S
TRALIS
AT/AD
Base - January 2003
YES
NO
Inefficient operation of the proportional solenoid
valve with the control valve.
Replace the worn or inefficient parts.
Inefficient operation of the temperature sensor.
Replace the temperature sensor.
Internal defect of the retarder.
Overhaul the retarder.
Internal defect of the retarder.
Overhaul the retarder.
Air system pipes leaking or burst.
Close the loose fittings. Replace the broken or
damaged pipes.
Inefficient operation of the electropneumatic valve
controlling the hydraulic accumulator.
Replace the electropneumatic valve.
YES
NO
YES
YES
NO
YES
YES
NO
NO
3
YES
NO
Moisture from the heat exchanger in the retarder.
Check the seal of the exchanger and replace it if
necessary.
Inefficient operation of the proportional solenoid
valve with the control valve.
Replace the worn or inefficient parts.
IRREGULAR BRAKING EFFECT
YES
INTARDER - ZF HYDRAULIC RETARDER
15
S
TRALIS
AT/AD
4
YES
NO
Inefficient operation of the electropneumatic valve
controlling the hydraulic accumulator.
Replace the electropneumatic valve.
Internal defect of the retarder.
Overhaul the retarder.
Temperature control trips due to low engine speed.
Keep a higher engine speed with an ensuing increase
in the flow rate of cooling water.
Inefficient operation of the temperature sensor.
Replace the temperature sensor.
Low coolant level.
Top up the level of coolant.
YES
YES
NO
YES
NO
YES
5
POOR OR NO RETARDER
DISENGAGEMENT
INDICATOR LIGHT COMES
ON INTERMITTENTLY
(Lever on 1-6)
Inefficient operation of the electronic control unit.
Check and if necessary replace the electronic control
unit.
Inefficient operation of the electric system.
Determine the trouble and restore the system.
NO
YES
NO
YES
16
INTARDER - ZF HYDRAULIC RETARDER
S
TRALIS
AT/AD
Base - January 2003
Inefficient operation of the cooling system.
Restore correct cooling system operation.
Inefficient operation of the electronic control unit.
Check and if necessary replace the electronic control
unit.
YES
YES
NO
6
TEMPERATURE CONTROL TRIPS
EARLY
INTARDER - ZF HYDRAULIC RETARDER
17
S
TRALIS
AT/AD
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст