SM42.20-L-0002B | Testing compressor | 2.2.99 |
MODELS 668.###, 670.### ## up to 081120 up to 30.11.98
except CODE (B16) 2-circuit hydraulic brake/2-circuit compressed air brake
except CODE (B19) hydraulic 2-circuit/compressed air 2-circuit heavy-duty brakes
Operation no. of operation texts or standard texts and flat rates
Range | Op. no. | Operation text |
N | 023714 | CHECK OPERATION OF AIR COMPRESSOR (ELECTRIC) 4 WU/0.3 hrs. |
N42.20-2028-01
P1 Test connector
V1 Boiler
P1 Test connector
N42.20-2026-01
| Testing | ||
1 | Connect pressure gauge to test | Test connection P1 is either at the front of the compressor, in front of boiler V1 or at the back at the overflow valve. | |
2 | Let compressed air out until 0 bar is reached by operating hand brake lever several times | ||
3 | Pump system up from 0 bar to 12 bar | Compressor switches off. Time difference between 0 bar and 12 bar must not exceed 6 min +/- 1 min. In case of insufficient operation | |
Adjust overflow valve by measuring the release pressure (boiler V1 filling) Specified value 9.6 bar - 0.3 bar |