Checking Injection Pump Timing
- Make
- Alfa Romeo
- Model
- 145/146 Factory Service Manual
- Year
- 1994–1999
- Section
- Engine supply - cooling › Checking Injection Pump Timing
Technical data and maintenanceChecking Injection Pump Timing
Checking Injection Pump Timing
(Specific for 1929 Turbodiesel engine)
| Injection pump distribution stroke | 0.8 mm |
|---|
Checking Automatic Fast Idle Device
Thermostatic Sensor Setting
(Specific for 1929 Turbodiesel engine) (*)
| Start of stroke | 60° ± 2 °C |
|---|---|
| Stroke at 75 °C | 7 mm |
| MAX stroke at 100 °C | 11 mm |
(*) : On the version with catalyst, though the injection pump has a fast idle device, use of it is not made (there is no connection with the thermostatic sensor).
Checking Automatic Fast Idle and Idle Speed
(Specific for Turbodiesel engines)
| [1929] TD | [1910] JTD | |
| Idle speed | 880 ÷ 920 rpm with control lever in contact with adjustment screw | 770 ÷ 830 rpm |
|---|---|---|
| Automatic fas idle speed (*) | 1180 ÷ 1220 rpm with gap between control lever & adjustment screw of 5 mm | - |
(*) : - On the version with catalyst, though the injection pump has a fast idle device, use of it is not made (there is no connection with the thermostatic sensor).
- 1910 JTD versions are not equipped with an automatic fast idling device.
Checking KSB Device Thermal Switch Setting
(Specific for 1929 Turbodiesel engine)
| Contact closing temperature | 60° ± 2°C |
| Contact opening temperature | 50° ± 2°C |
AIR SUPPLY
Fluxing Test
Specific for Boxer 1596 - MP3.1 engine
| Throttle on contact (closed) | 80 MAX Scale D - SOLEX flow meter |
| Throttle adjusted | 295 ± 10 Scale N - SOLEX flow meter |
Specific for Boxer 1712 16V engine
| Air leakage with by-pass screws completely tightened | 120 ÷ 130 Scale K - SOLEX flow meter |
| Air leakage with throttles adjusted and by-passes open | 185 Scale N - SOLEX flow meter |
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