One-level pressure switch setting
- Make
- Alfa Romeo
- Model
- 145/146 Factory Service Manual
- Year
- 1994–1999
- Section
- Heating-ventilation › One-level pressure switch setting
Technical data and maintenanceOne-level pressure switch setting
ONE-LEVEL PRESSURE SWITCH SETTING
| Contact opening pressure | 1.8 ± 0.07 bar |
| Contact closing pressure | 3 ÷ 3.5 bar |
3-LEVEL PRESSURE SWITCH SETTING (TRINARY)
| All models except T. Spark 16V and 1910 JTD | T. Spark 16V (with M2.10.3 injection - ignition system) | |
|---|---|---|
| 1. Level | Contact opening 2.2 ÷ 2.7 bar | Contact opening 2.45 ± 0.25 bar |
| Contact closing 2.26 ÷ 2.94 bar | Contact closing 2.85 ± 0.50 bar | |
| 2. Level | Contact closing 14.2 ÷ 16.18 bar | Contact closing 15.2 ± 0.98 bar |
| Differential 3.92 ± 0.98 bar | Contact opening 11.28 ± 1.99 bar | |
| 3. Level | Contact opening 25 ÷ 30 bar | Contact opening 25 ÷ 30 bar |
| Differential 6 ± 2 bar | Contact closing 17 ÷ 26 bar |
4-LEVEL PRESSURE SWITCH SETTING
| T. Spark 16V (with M2.10.4 and M1.5.5 injection - ignition system) 1910 JTD | ||
|---|---|---|
| 1. Level | Contact opening | 2.45 ± 0.35 bar |
| Contact closing | max 3.5 bar | |
| 2. Level | Contact opening | 15 ± 1 bar |
| Contact closing | 11 ± 2 bar | |
| 3. Level | Contact opening | 20 ± 1.2 bar |
| Contact closing | 16 ± 2.2 bar | |
| 4. Level | Contact opening | 28 ± 2 bar |
| Contact closing | 22 ± 4 bar | |
COMPRESSOR
| 1929 TD | 1910 JTD | 1598 1747 1970 T. SPARK 16V | 1370 T. SPARK 16V | |
|---|---|---|---|---|
| Make and type | HARRISON V5 | SANDEN SD7V16 | NIPPONDENSO TV 14SC | NIPPONDENSO TV 12SC |
| Cylinders number | 5 | (*) | - | - |
| Cylinders diameter | 36.8 mm | (*) | - | - |
| Stroke | 28.4 mm | (*) | - | - |
| Theoretic capacity | 151 cm3 at rev (max) | (*) | - | - |
| Max revolutions number | 7000 rpm | (*) | - | - |
| Deflector vanes number | - | (*) | 2 | 2 |
| Deflector vanes lenght/depth | - | (*) | 72.5 mm / 38.5 mm | 72.5 mm / 38.5 mm |
| Theoretic capacity | - | (*) | 127 cm3/rev | 127 cm3/rev |
| Working voltage electromagnetic coupling | 12 V | (*) | 12 V | 12 V |
| Absorbed power from electromagnetic coupling | - | (*) | 40 W (min) | 40 W |
| Working current electromagnetic coupling | 4.2 A | (*) | 2.2 A (min) | 2.2 A (max) |
(*): Not available when this publication was sent to print.
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