Wabco EBS Emergency Valve 971 002 805 0 Drawing: 9710028050.pdf
Wabco EBS Emergency Valve 971 002 805 0 Publication:
For the spare parts market, the trailer emergency valve 971 002 802 0 will be in case of pneumatic failure replaced by 971 002 805 0.
|Pneumatic failures can be caused from:|
|Leakage in driving position at the exhaust||Contamination at the / or defective supply valve|
|Leakage in hand brake position||Contamination at the supply valve|
|Leakage over yellow coupling head||Mechanical defect inside the Trailer emergency valve|
The 971 002 805 0 do not has electrical components.
Mounting dimensions and pneumatical ports are equal.
For the 971 002 805 0, depending on the software status of the TEBS a wiring harness with sensor and/ or pressure switch is required. (see also market info from 01.03.2004)
All trailer emergency valves are shipped with a information sheet showing wiring diagrams of both types of repair units.
The repair units are as follows:
971 002 921 2 with software status C1, C2
971 002 922 2 with software status C3, D
The 971 002 805 0 is for the Aftermarket only.
In case of pneumatical failures at the 971 002 802 0, the time of warranty starts with the production date.