Page 37
Constant-Air Pressure Control Loop
Voith Turbo I Aftersales Service Manual Voith Retarder VR 115 E I Diagnosis and Troubleshooting
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Requirements
•
Ignition switched off
•
Retarder switched off
•
Battery voltage 18–32 V
•
Supply-air pressure in auxiliary circuit 8–11 bar
•
Oil level checked and in order
•
Electrical system of vehicle checked and in order
(see specifications of vehicle manufacturer)
•
Electrical connections of the retarder are
completely disconnected from the vehicle
Test scope
1. Connect the retarder tester (99/30) (see Test set-
up diagram Page 36 and operating instructions of
the retarder tester):
-
Connect cable 1 (99/31) to proportional valve
(3700).
-
Connect cable 2 (99/32) to pressure sensor
(9000).
-
Connect cable 3 (99/33) to oil temperature
sensors (5200/1) and coolant (5200/2).
-
Connect cable 4 (99/34) to the vehicle voltage
supply/PC interface.
2. Select the retarder type at the retarder
tester (99/30).
3. Vehicle ignition: ON
4. Toggle switch at the retarder tester in position "EIN
mit Regelkreis“.
Special tools
Retarder tester
in a case compl.
Air pressure
gauge
0–6 bar
99/29 99/7
comprising:
99/30–99/35
99/40
50/35 & 50/36
With the test software "Diana-Lite" (99/40),
measured values can be read out and stored via the
PC in addition to the tests with the retarder tester.
The stored measured values can be transmitted to
the Voith customer service for evaluation (see
operating instructions on CD-ROM).
153.001085xx
H53.1403xx
NOTE
Hot parts!
Hands could be burned.
Ö
Work carefully.
Ö
Wear protective gloves or use cloths if necessary.
CAUTION
