Pierburg 1B3 (DR engine)
diffuser diameter |
24 mm
|
Main dosing system: | |
- marking of the fuel jet |
Х112.5/ 110.5*
|
– emulsion tube marking |
90
|
Idle system: | |
- marking of the fuel jet |
47,5
|
- marking of the air jet |
130
|
Econostat: | |
- marking of the fuel jet |
37,5
|
- marking of the air jet |
130
|
Needle valve hole diameter, mm |
1,75
|
The diameter of the fuel jet economizer power modes,
mm |
0,5
|
Accelerator pump: | |
– nozzle diameter, mm |
0,4/ 0,45*
|
– fuel supply in one cycle, see3
|
(0,9 ± 0,15)
|
Starting gaps of the air damper, mm: | |
- first stage |
2,3 ± 0,15/ 2,1 ± 0,15*
|
- second step |
3,0 ± 0,15
|
Idling frequency, min–1: | |
- cold engine |
3400 – 3800
|
- warm engine |
700 – 800
|
Marking of the automatic starter |
251/ 250*
|
Carbon monoxide content (SO) in exhaust gases, % |
no more (1,0 ± 0,5)
|
* For vehicles with automatic transmission.
Pierburg 2E2 (D.S. engine)
(chamber 1/ chamber 2)
| |
Main dosing system: | |
- marking of the fuel jet |
X105/ X120
|
- marking of the air jet |
100/ 100
|
Idle system: | |
- marking of the fuel jet |
40/ –
|
Econostat: | |
Fuel jet diameter, mm |
– / 1,25
|
Accelerator pump: | |
– nozzle hole diameter, mm |
0,35/ –
|
– fuel supply in one cycle, see3
|
1,1 ± 0,15/ –
|
Starting gaps of the air damper, mm: | |
- first stage |
2,3 ± 0,15/ –
|
- second step |
4,7 ± 0,15/ –
|
Idling speed, min–1: | |
- cold engine |
2800 – 3200
|
- warm engine |
700 – 800
|
Marking of the automatic starter |
258
|
Carbon monoxide content (SO) in exhaust gases, % |
no more (1,0 ± 0,5)
|
Keihin 26–30DC (NP engine)
chamber 1/ chamber 2
| |
Diffuser diameter, mm |
20/ 26
|
Main dosing system: | |
fuel jet marking |
112/ 155
|
air jet marking |
95/ 120
|
Idle system: | |
- marking of the fuel jet |
48/ –
|
- marking of the air jet |
125/ –
|
Economizer: | |
- marking of the fuel jet |
40/ –
|
Accelerator pump: | |
– nozzle diameter, mm |
0,45/ –
|
– fuel supply in one cycle, see3
|
0,78 ± 0,12/ –
|
Needle valve hole diameter, mm |
2,5
|
Fuel level in the float chamber, mm |
(9,0 ± 1,0)
|
Starting clearance of the air damper, mm |
4,6 ± 0,15
|
Idling speed, min–1: | |
- cold engine |
4000 – 4400
|
- warm engine |
700 – 800
|
Carbon monoxide content (SO) in exhaust gases, % |
no more (1,0 ± 0,5)
|
* For vehicles with automatic transmission.
Keihin (WH engine)
chamber 1/ chamber 2
| |
Diffuser diameter, mm |
22/ 28
|
Main dosing system: | |
- marking of the fuel jet |
120/ 165 (150*)
|
- marking of the air jet |
80/ 110
|
Idle system and transition system of the first chamber: | |
- marking of the fuel jet |
50/ –
|
- marking of the air jet |
120/ –
|
Transition system of the second chamber: | |
- marking of the fuel jet |
– / 90
|
- marking of the air jet |
– / 150
|
Accelerator pump: | |
– nozzle hole diameter, mm |
0,35/ –
|
– fuel supply in one cycle, see3 |
0,82 ± 0,12/ –
|
Economizer: | |
- marking of the fuel jet |
50 (60*)
|
Starting clearance of the air damper, mm |
5,6 ± 0,15/ –
|
Opening the throttle when the engine is cold at idle, mm |
1,3 ± 0,1 (1,5 ± 01*) / –
|
Needle valve bore diameter |
2.8 mm
|
Throttle valve starting gap, mm |
0,6 ± 0,07 (0,7 ± 0,07*) / –
|
Idling speed, min–1: | |
- cold engine |
3500
|
- warm engine |
750 – 850
|
Carbon monoxide content (SO) in exhaust gases, % |
no more (1,0 ± 0,5)
|
* For vehicles with automatic transmission.
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