1、GM DAEWOO Auto & Technology EDS Engineering GM DAEWOO Auto & Technology Standards SUPPRESSOR PLUG, IGNITION LEAD Do Not Use on New Programs. Being Replaced by GMW3172 EDS-T-5216 ISSUED DATE: 1984. 10. 02 REVISED DATE: 2008. 10. 27 VERSION: 3(Superceded) EDS-T-5216SUPPRESSOR PLUG, IGNITION LEAD PAGE:
2、 1/4 ISSUED DATE: 1984. 10. 02 REVISED DATE: 2008. 10. 27 VERSION: 3 GM DAEWOO Auto & Technology Note: This standard may be applied only for current project (incl. T255 Program). It is Superceded for all future projects and replaced by GMW3172. 1. PURPOSE The purpose of this specification is it, to
3、define the suppressing effect (HF - damping) as well as the physical, electrical and endurance tests on suppressor plugs, ignition lead. 2. QUANTITY OF TEST SAMPLE For the laboratony release tests of prototypes, 16 samples - suppressor plug are required. For the endurance test in the car, min. 24 pa
4、rts are necessary. The proposed test sequence and the quantity of test samples for every test is given in Blatt 3. 3. QUALITY CHECK For the supervision of the production quality and the satisfaction of this specification, the Dpt. Inspection & Quality control is responsible. 4. VISUAL TEST The suppr
5、essor plugs must be free from damages and foreign bodies in the state as supplied. 5. PHISICAL TEST The suppressor plugs must correspond to the definitions and specifications on the drawing in the dimensions and other physical properties. All units of measure are to be given in SI - units (System In
6、ternational), as they were discharged of the International Standards Organization. The value of resistor suppressor is to be given on the drawing. If nothing different is given, all tests are to be perfromed at tr (+23 5K). 5.1. Sounduess 5.1.1. Equip 4 suppressor plugs with 65 cm long, serial ignit
7、ion leads, air - vent protectors and spark - plug mock - up. 5.1.2. Store asm. over 144 h at +90 2.5K and immediately after then 1 h at +120 2.5K. EDS-T-5216SUPPRESSOR PLUG, IGNITION LEAD PAGE: 2/4 ISSUED DATE: 1984. 10. 02 REVISED DATE: 2008. 10. 27 VERSION: 3 GM DAEWOO Auto & Technology 5.1.3. Coo
8、l assembly down to tr (+23 5K). 5.1.4. Draw off suppressor plug, from the spark plug and insert it again 10 times. 5.1.5. Draw off lead and air - vent protector from the suppressor plug and insert it again 5 times. 5.1.6. The aged parts are to be so installed into a receptacle that all sealing point
9、s are immersed at the following filling with a 10% saline solution. 5.1.7. 7 cm from the edge of the air - vent protector, a shaking device embraces the ignition leads and moves these with an amplitude of 6 mm and 25 . 5.1.8. At a voltage of 20 KV put to the ignition leads of an ignition coil or an
10、equivalent voltage source (earthing potential in the water), at an impulse frequency of 20 , break - down or break - off may not occur within a testing time of 2 h. 5.2. Aging test (at high rel. air humidity) 5.2.1. The plug connector is to be equipped with a 11 cm long ignition lead (copper lead) a
11、nd air - vent protector. 5.2.2. The plug connector asm. is inserted to a spark - plug mock - up, which is screwed into a metal plate. The spark - plug mock - up is distinguished from a normal spark plug only in the absent center electrode. 5.2.3. A temperature - stabilized ignition coil or an equiva
12、lent voltage surce is adjusted to 20 KV (impulse frequency 20 ) at open circuit and then connected to the free, bare end of the ignition lead. The metal plate, into which the spark plug is screwed, is connected with earth connection. The voltage is to be measured. 5.2.4. Store plug connector 10 min
13、in cooling chamber at -20 3K. 5.2.5. Take plug connector out of the cooling chamber and immediately store 23 h 50 min in air - conditioning cabinet at +40 2.5K and 97% 1 % rel. air humidity. (If it permits the arrangement, it is to be adjusted to the higher limit value). 5.2.6. The points 5.2.4 and
14、5.2.5 are repeated 12 times. This results a total testing time of 288 h. 5.2.7. The point 5.2.3 is repeated per workday (6h after cold storage), while the test sample remains in the air - conditioning chamber. 5.3. The measured voltage may never come to less than 10 KV.EDS-T-5216SUPPRESSOR PLUG, IGN
15、ITION LEAD PAGE: 3/4 ISSUED DATE: 1984. 10. 02 REVISED DATE: 2008. 10. 27 VERSION: 3 GM DAEWOO Auto & Technology 5.3 Aging test with regard to acid effect 5.3.1. Remove metal casing. 5.3.2. Provide insulation part in the lower range of the spark plug chamber with bore 1 and subsequently close this w
16、ith a pasted small silicon plate. 5.3.3. Store suppressor plug 2h at -20 3K. 5.3.4. Store cold part 15 min in air conditioning chamber at +40 2.5K and 97 % 1% rel. air humidity. 5.3.5. Close spark - plug - sided chamber with glass plate and suitable sealing compound hermetically. 5.3.6. The small si
17、licon plate is pierced with an injection needle and 2 L nitric oxyde N2O4(NO2) is injected. After the withdrawal of the injection needle the opening in the small silicon plate is thoroughly closed. 5.3.7. Store test setup (as described under 5.3.5) over 24h at +50 2.5K. 5.3.8. Remove glass plate and
18、 sealing. 5.3.9. In the demounted metal casing, cut out opening in the range of the bore in insulating part to avoid breakdown and mount metal casing. 5.3.10. Mount 10cm long ignition lead (copper core) and air - vent protector. 5.3.11. Store plug connector - ignition lead - air - vent protector asm
19、. in an air conditioning chamber at +40 2.5K and 97% 1% rel. air humidity. 5.3.12. After 0.5h the test sample is taken out of the air conditioning chamber and 20 KV is put from a temperature - stabilized ignition coil or an equivalent voltage source to the ignition lead (ignition impulse sequence =
20、20 ). The metal casing is connected with earth connection. 5.3.13. The measured drop in voltage may not come to more than 5 KV. 5.4. Damping Attenuation equivalent to VDE 0879, Pt. 1. Radio interference control equipment type B. 5.5. Temperature stability After 1 h storage at +160 2.5K and following
21、 cooling down to tr (+23 5K), the plug connection must still satisfy all requirements of this specification. 5.6. Withdrawal force The force which is required to draw off the plug connector from the spark plug, must come to (60 20)N. 5.7. Plug - in force The force, which is required to plug in the p
22、lug connector to the spark plug, may come to max. 150 N. EDS-T-5216SUPPRESSOR PLUG, IGNITION LEAD PAGE: 4/4 ISSUED DATE: 1984. 10. 02 REVISED DATE: 2008. 10. 27 VERSION: 3 GM DAEWOO Auto & Technology 5.8. Breakdown test Test setup as 5.2.1 and 5.2.2. A temperature - stabilized ignition coil or an eq
23、uivalent voltage source is connected to the free, bare end of the ignition lead and adjusted to 30 KV. The impulse frequency should come to 20 . Within a testing time of 10 min, breakdown or break - off may not occur. 5.9. Track resistance The plug connector should satisfy the requirements of DIN 53
24、480 KA 3 c. 5.10. Corrosion test The plug connector submits to a salt - spray test corresponding to the specifications of the ASTM. B-117 or an equivalent test. 5.10.1. The plug connector must be visually acceptable after 48 h according to a standard arranged between supplier and GMDAT TECHNICAL CEN
25、TER. 5.10.2. The plug connector may not show any defects after 144 h which might impain the function. 6. CAR The suppressor plugs must endure a range of action to be defined by the GMDAT TECHNICAL CENTER under normal traveling conditions without rejection in the car. If the supplier of suppressor plugs has to perform a test connected with it, this is to be specially arranged. After the test the suppressor plugs must still perfect in the function.
