Astra
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2 E 3 Carburettor
Identification/Calibration
Engine 13 SC A 13 SC Output in kW (HP) 55 (75) 51 (69) Transmission MT AT
Code number 9 276 976 (90 107 515) 9 276 977 (90 107 516)
Colour code Cover screws yellow white Choke screws black white
Stage I. II. I. II. Fan shroud diam. mm 20 24 20 24 Choke valve gap small mm 0.9 to 1.3 (1.5 to 1.9) 0.9 to 1.3 (1.5 to 1.9) large mm 1.7 to 2.1 (2.2 to 2.6) 2.1 to 2.5 (2.3 to 2.7) Throttle valve gap 0.8 to 0.9 1.1 to 1.2 Fast idle speed rpm 2100 to 2500 2400 to 2800 Throttle valve dashpot stroke "H") mm 2.5 to 3.5 2.5 to 3.5
Stage I. II. I. II. Main jet X 97.5 X 112.5 X 97.5 X 112.5 Air correction jet 80 100 80 100 Mixture line identification 88 60 88 60 Part load enrichment diam. mm 0.5 - 0.5 - Preatomizer diam. mm 8 7 8 7 Mixture outlet diam. mm 2.5 3.0 2.5 3.0 Idle speed fuel jet 37.5/130 - 37.5/130 - Pretension of pull rod mm - 0.5 to 2.0 - 0.5 to 2.0 Release of forced return z - 0.23 to 0.6 - 0.2 to 0.6 Effective stage µ mm y - 0.6 to 1.0 - 0.6 to 1.0 Forced opening of choke valve mm 1.5 to 3.5 3.0 to 5.0
2 E 3 Carburettor
Identification/Calibration
Engine 13 SC A 13 SC Output in kW (HP) 55 (75) 51 (69) Transmission MT AT
Code number 9 276 976/90 107 515 9 276 977/90 107 516
Fuel enrichment 105 to 125 105 to 125 Float needle valve - diameter mm 1.5 1.5 Float weight g 5.75 to 5.95 5.75 to 5.95 Float level mm 28 to 30 28 to 30 Identification no. of pulldown unit 55 55 Identification no. of cam disc 163 164 Fuel transition system 1.2 1.2 Switching point for part load enrich. valve mbar 160 to 240 135 to 215
Stage I. II. I. II. Fuel injection quantity cm³/strokes 10.5to 13.5 - 7.5 to 10.5 - Identification no. of pump diaphragm 99 - 99 - Identification no. of part load enrich- ment valve 2 - 1 - Reduction of vacuum unit diameter. mm - 0.6 - 0.75 Choke switchoff time at approx. 14 V (s) 144 to 216 144 to 216 Height of enrich. line above preatomizer mm 22.0 to 24.0 22.0 . 24.0 Basic adjustment of throttle valve. 1/4 rotation from free 1/4 rotation from free of play of play Thermo time valve Valve open °C less then approx. + 28 less than approx. + 28 Valve closed °C more than approx + 35 more than approx + 35 Resistance at 20 to 30 °C in Ohm 6 + 1.5 6 + 1.5
2 E 3 Carburettor
Identification/Calibration
Engine 14 NV Output in kW (HP) 55 (75) Transmission MT
Code Number 90 107 560
Colour identification Cover bolts blue Automatic choke bolts brown
I. Stage II. Stage
Main nozzle X 95 X 110 Air correction nozzle X 117.5 X 90 Mixture pipe identification number 103 51 Pre-atomizer/mixture outlet Æ mm 8 / 2.5 7 / 3.0 Idle fuel nozzle 45 / 130 - Part load enrichment Æ . mm 0.55 - Fuel enrichment 57.5 to 77.5 - Fan shroud Æ mm 20 24
Choke valve gap small mm 1.7 to 2.1 - large mm 2.5 to 2.9 - Throttle valve gap mm 0.8 to 0.9 0.05 Throttle valve dashpot stroke "H" mm - - Forced opening of choke valve mm 1.5 to 3.5 - Fast idle rpm 2200 to 2600 - Tie rod pre-tension mm - 0.5 to 2.0 Forced return release Dim. "Y" mm - 0.5 to 1.1 Dim. "Z" mm - 0.1 to 0.7 Float needle valve Æ mm 1.5 - Float weight (dry) g 5.75 to 5.95 - Float level mm 28 to 30 -
2 E 3 Carburettor
Identification/Calibration /
Engine 14 NV Output in kW (HP) 55 (75) Transmission MT
Identification number 90 107 560
I. Stage II. Stage
Pulldown unit ident. number 59 - Stepped plate ident. number 192 - Pump diaphragm ident. number 85 - Part load enrichment valve ident. number 2 - Fuel transition system - 2.0
Part load valve switching point mbar 200 to 300 - Injection quantity cm³/10 stro. 10.5 to 13.5 - Vacuum unit reduction Æ mm - 0.6 Start switchoff time at approx. 14 volts s 144 to 216 - Height of enrichment pipe above pre-atomizer mm 22 to 24 - Thermo valve Passage °C below approx. +28 - closed °C above approx. + 35 - Resistance (at 20 to 30°C) Ohm 4.5 to 7.5
2 E 3 Carburettor
Identification/Calibration
Engine 16 SV Output in kW (HP) 60 (82) Transmission MT MT AT (with air conditioning)
Code number 90 107 522 90 107 553 90 107 523
Colour code Cover screws green yellow brown Choke screws. brown white brown
Stage I. II. I. II. I. II. Fan shroud Æ mm 20 24 20 24 20 24 Choke valve gap small mm 1.3 to 1.7 1.3 to 1.7 1.4 to 1.8 large mm 1.9 to 2.3 1.9 to 2.3 2.0 to 2.4 Throttle valve gap 0.8 0.8 0.8 Fast idle speed rpm 2000 to 2400 2000 to 2400 2500 to 2900 Throttle valve dashpot stroke"H" mm - - 2.5 to 3.5
Stage I. II. I. II. I. II. Main jet X 95 X 105 X 95 X 105 X 95 X 105 Air correction jet X 110 X 80 X 110 X 80 X 110 X 80 Mixture line identification 88 51 88 51 88 51 Part load enrichment Æ mm 0.55 - 0.55 - 0.55 - Preatomizer Æ mm 8 7 8 7 8 7 Mixture outlet Æ mm 2.5 3.0 2.5 3.0 2.5 2.0 Idle speed fuel jet 42.5/132.5 - 42.5/132.5 - 42.5/132.5 - Pretension of pull rod mm - 0.5-2.0 - 0.5-2.0 - 0.5-2.0 Release of forced return z - 0.1-0.7 - 0.1-0.7 - 0.1-0.7 Effective Stage II µ mm y - 0.5-1.1 - 0.5-1.1 - 0.5-1.1 Forced opening of choke valve mm - 1.5-3.5 - 1.5-3.5 - 3.0-5.0
2 E 3 Carburettor
Identification/Calibration
Engine 16 SV Output in kW (HP) 60 (82) Transmission MT MT AT (with air conditioning)
Code number 90 107 522 90 107 553 90 107 523
Stage I. II. I. II. I. II. Fuel enrichment 85 to 105 85 to 105 85to105 Float needle valve Æ mm 1.5 1.5 1.5 Float weight g 5.75-5.95 5.75-5.95 5.75-5.95 Float level mm 28 - 30 28 - 30 28 - 30 Identification no. of pulldown unit 59 59 59 Identification no. of cam disc 174 174 176 Fuel transition system Æ mm 0.85 0.85 0.85 Switching point for part load enrichment valve. mbar 200 - 300 200 - 300 140 - 210 Fuel injection quantity cm³/10 stro. 10.5 - 13.5 10.5 - 13.5 17.5 - 10.5 Identification no. of pump diaphragm 99 - 99 - 99 - Identification no. of part load enrichment valve 2 - 2 - 2 - Reduction of vacuum unit Æ mm - 0.6 - 0.6 - 0.75 Choke switchoff time at approx. 14 V (s) 144 - 216 144 - 216 144 - 216 Height of enrichment line above preatomizer. mm 27 - 29 27 - 29 27 - 29 Thermo time valve Valve open °C less than + 28 less than + 28 less than + 28 Valve closed °C more than + 35 more than + 35 more than + 35 Resistance at 20 - 30°C in ohms 4.5 - 7.5 4.5 - 7.5 4.5 - 7.5
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