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,[XG G\AZ v !) 5[8=M, V[gHLGGL .uGLXG ;L:8D IGNITION SYSTEM OF PETROL ENGINE

,[XG GAZ v !) 5[8=M, V[gHLGGL .uGLXG ;L:8D IGNITION SYSTEM OF PETROL ENGINE. C[T]VM. TF,LDFYL "VM4 5[8=M, V[gHLGGL .uGLXG ;L:8D lJX[ XLBX[P .uGLXG ;L:8DG] SFI" 4 5|SFZ4 ZRGF lJX[ XLBX[P .uGLXG ;L:8DGF EFUM lJX[ XLBX[P .uGLXG 8F.DLU lJX[ XLBX[P .

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,[XG G\AZ v !) 5[8=M, V[gHLGGL .uGLXG ;L:8D IGNITION SYSTEM OF PETROL ENGINE

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  1. ,[XG G\AZ v !)5[8=M, V[gHLGGL .uGLXG ;L:8D IGNITION SYSTEM OF PETROL ENGINE

  2. C[T]VM • TF,LDFYL "VM4 • 5[8=M, V[gHLGGL .uGLXG ;L:8D lJX[ XLBX[P • .uGLXG ;L:8DG]\ SFI" 4 5|SFZ4 ZRGF lJX[ XLBX[P • .uGLXG ;L:8DGF EFUM lJX[ XLBX[P • .uGLXG 8F.DL\U lJX[ XLBX[P

  3. H~ZLIFT q SFI" s Need / Function f • 5[8=M, V[gHLGDF\ lD`F|6G[ ;/UFJJF DF8[ T6BM pt5gG SZJFG]\ SFD .uGLXG ;L:8D SZ[ K[P

  4. H~ZLIFT q SFI" s Need / Function f • 5|SFZ s Type of Ignition System f • .uGLXG ;L:8DGF +6 5|SFZ K[P • !P D[uG[8M .uGLXG ;L:8D • ZP A[8ZL .uGLXG ;L:8D • #P .,S8=MlGS; .uGLXG ;L:8D

  5. !P D[uG[8M .uGLXG ;L:8D s Megnato Ignition systemf • ZRGF s Construction f v • VF ;L:8DDF\ S|[gSGF K[0[ D[uG[8 %,[8 5Z .uGLXG JF.g0L\U4 CB 5M.g84 S[D4 HTSM.,4 Sg0[g;Z q S[5[;L8Z CMI K[P • D[uG[8 %,[8 JF.g0L\U p5Z 0=D OZ[ K[P H[ S|[gS ;FY[ HM0FI[, CMI K[P0=DGF V\NZGF EFU[ D[uG[8 VG[ ACFZGF EFU[ S],L\U O[G GL ZRGF SZ[, CMI K[P • H.T. SM., ;FY[ H.T. S[A, J0[ :5FS" %,U HM0FI[, CMI K[P

  6. !P D[uG[8M .uGLXG ;L:8D s Megnato Ignition systemf • .uGLXG ;L:8DGF EFUMG]\ SFI" v • .uGLXG JF.g0L\U v ,M JM<8GM SZ\8 pt5gG SZ[ K[P • ;LPALP 5M.g8 v 5|FIDZL ;ZSL8G[ HM0JF v TM0JFG]\ SFD SZ[ K[P • S[D v ;LPALP 5M.g8G[ BM,JF v A\W SZJFG]\ SFI" SZ[ K[P • V[RP 8LP SM., v ,M JM>8[H SZ\8G[ CF. JM>8[H SZ\8DF\ ~5F\TZ SZJFG]\ SFD SZ[ K[P • Sg0[g;Z q S[5[;L8Z v ;LPALP 5M.g8G]\ Z1F6 SZJFG]\ SFD SZ[ K[P • V[RP8LPS[A, v CF. JM<8[H SZ\8 JCG SZJFG]\ SFD SZ[ K[P • :5FS" %,U v T6BM pt5gG SZJFG]\ SFD SZ[ K[P

  7. !P D[uG[8M .uGLXG ;L:8D s Megnato Ignition systemf • SFI" 5wWlT s Working f v • S|[gS XFO8 OZJFYL D[uG[8 s 0=D f .uGLXG JF.g0L\U p5Z OZ[ K[P • R]\ASLI Z[BFVM S5FTF .uGLXG JF.g0L\UDF\ K JM<8GM SZ\8 pt5gG YFI K[P • H[ H.T. SM.,GL 5|F.DZL ;ZSL8DF\ HFI K[P • S[D J0[ 5|FIDZL ;ZSL8 A|[S YTF H.T. SM.,GL ;[Sg0ZL ;ZSL8DF\ CF. JM<8[H GM SZ\8 pt5gG YFI K[P • H[ H.T. S[A, J0[ :5FS" %,UG[ VF5TF :5FS" %,U T6BM SZ[ K[P

  8. !P D[uG[8M .uGLXG ;L:8D s Megnato Ignition systemf • p5IMU s Use f v • D[uG[8M .uGLXG ;L:8DGM p5IMU GFGF 5[8=M, JFCGM H[JFS[ DM5[04 :S]8Z4 DM8Z ;FIS,4 ZL1FF lJU[Z[DF\ YFI K[P

  9. ZP A[8ZL .uGLXG ;L:8D s Battery Ignition system f • ZRGF s Constructionf v • VF ;L:8DDF\ A[8ZL4 .uGLXG :JLR4 H.T. SM.,4 0L:8=LaI]8Z4 :5FS" %,U lJU[Z[GM p5IMU YFI K[P

  10. ZP A[8ZL .uGLXG ;L:8D s Battery Ignition system f

  11. ZP A[8ZL .uGLXG ;L:8D s Battery Ignition system f • ZRGF s Construction f v • T[DF\ A[8ZLGF 5MhL8LJ 8DL"G,G]\ HM0F64 .uGLXG :JLR wJFZF4 H. T. SM., AL 8DL"G, ;FY[ SZJFDF\ VFJ[ K[P HIFZ[ H. T. SM., 0L s0L:8=LaI]8Zf 8DL"G, ;FY[ HM0JFDF\ VFJ[ K[P H[ 0L:8=LaI]8ZGF C. B.5M.g8 D]J[A, 5M.g8 ;FY[ HM0FI[, CMI K[P HIFZ[ C. B. 5M.g8GM OLS; 5M.g8 VY" SZ[, CMI K[P • C. B.5M.g8GL 5[Z[,,DF\ Sg0[g;Z q S[5[;L8Z HM0JFDF\ VFJ[ K[P • H. T. SM.,GL ;[Sg0ZL ;ZSL8G]\ HM0F6 H. T. JFIZ J0[ 0L:8=LaI]8Z S[5GL • DwIDF\ 4 :5|L\U v SFA"G ZM0 VG[ ZM8Z wJFZF :5FS" %,U ;FY[ SZ[, CMI K[P

  12. ZP A[8ZL .uGLXG ;L:8D s Battery Ignition system f • SFI" 5wWlT s Working f v • .uGLXG :JLR VMG SZTF\4 A[8ZL JLH 5|JFC :JLRDF\YL H. T. SM., 5|F.DZL ;ZSL8DF\ Y.4 C. B.5M.g8 E[UF CMI tIFZ[ VY" Y. ;ZSL8 5}6" YX[P • HIFZ[ S[D C. B. 5M.g8GF D]J[A, 5M.g8G[ NAF6 SZL OLS; 5M.g8 ;FY[YL V,U SZX[P tIFZ[ H.T. SM., 5|F.DZL ;ZSL8 A|[S YJFYL ;[Sg0ZL ;ZSL8DF\ CF. JM<8[H SZ\8 pt5gG YX[P • H[ 0L:8=LaI]8Z S[5 DwIDF\ Y. :5|L\U VG[ SFA"G ZM0 wJFZF ZM8ZGF DwI EFUDF\ VFJ[, A|FX :8=L5 wJFZF4 H. T. JFIZ wJFZF4 :5FS" %,UGF ;[g8Z .,[S8=M0YL ;F.0 .,[S8=M0 5Z S]NSM sHd5f DFZL VY" YX[P tIFZ[ :5FS" %,U .,[S8=M0 U[5 JrR[ T6BM YX[P • VFD4 V[gHLGGF OFIZL\U VM0"Z D]HA4 JFZF OZTL NZ[S :5FS" %,UMG[ H. T. SZ\8 D/JFYL T[DF\ T6BM pt5gG SZ[ K[P

  13. A[8ZL .uGLXG ;L:8DGF EFUM v Parts of Battery Ignition system • !P A[8ZL s Battery f • ZP .uGLXG :JLR s Ignition switch f • #P CF. 8[gXG SM., s High Tension Coil f • $P 0L:8=LaI]8Z s Distributor / Delco f • 5P :5FS" %,U s Spark Plug f

  14. !P A[8ZL s Battery f v • A[8ZL4 lJW'T XlSTG]\ ZF;FIl6S XlSTDF\ VG[ ZF;FIl6S XlSTG]\ lJW'T XlSTDF\ ~5F\TZ SZJF G]\ SFD SZ[ K[P • T[ 12 JM<8GM 0LP;LPJLH 5|JFC .uGLXG ;L:8DG[ VF5[ K[P

  15. ZP .uGLXG :JLR s Ignition switch f v • .uGLXG :JLR4 .uGLXG ;L:8DG[ VMG q VMO SZ[ K[P

  16. #P CF. 8[gXG SM., s High Tension Coil f • SFI" s Function f v ,M JM<8[H SZ\8G[ CF. JM<8[H SZ\8DF\ ~5F\TZ SZ[ K[P • ZRGF s Construction f • T[DF\ 5|FIDZL VG[ ;[Sg0ZL JF.g0L\U CMI K[P • ;MO8 SMZGL OZT[ 5FT/F TFZG]\ ;[Sg0ZL VG[ T[GF 5Z HF0F TFZG]\ 5|FIDZL JF.g0L\U CMI K[P • SMZ :8L, S[;L\UGL DwIDF\ CMI K[P • T[GF DYF/[ ;L<0[0 S[5 OL8 YFI K[P • 36L SM.,MDF\ JF.g0L\U T[,DF\ 0]A[,L ZC[ K[P • H[GFYL .g:I],[XGDF\ ;]3FZM YFI K[P

  17. CF. 8[gXG SM., s High Tension Coil f • H.T. SM.,G]\ SFI" s Working of H.T. coil f v • .uGLXG :JLR VMG SZTF4 C. B. 5M.g8 E[UF CMI tIFZ[ H. T.SM.,GL 5|F.DZL JF.g0L\UDF\ JLH 5|JFC JC[ K[P H[YL JF.g0L\UGL OZT[ D[uG[8LS OL<0 pt5gG YFI K[P • HIFZ[ C. B. 5M.g8 K]8F 50[ tIFZ[ 5|F.DZL ;ZSL8DF\YL JC[TM JLH 5|JFC A\3 YFI K[P T[YL D[uG[8LS OL<0 GFX 5FD[ K[P • h05YL D[uG[8LS OL<0 T]8TF ;[Sg0ZL JF.g0L\UDF\ CF. JM<8[HGM JLH 5|JFC 5|[Z6 YFI K[P • VFD4 H. T. SM.,DF\ CF. JM<8[H SZ\8 pt5gG YFI K[P

  18. $P 0L:8=LaI]8Z s Distributor / Delco f • 0L:8=LaI]8ZG]\ SFI" s Function of Distributor f v • !P 0L:8=LaI]8Z H. T. SM.,GL 5|FIDZL ;ZSL8G[ HM0[ v TM0[ K[P • ZP H. T. SZ\8G[4 V[gHLGGF OFIZL\U VM0"Z D]HA :5FS" %,UG[ VF5[ K[P • #P T[ V[0JFg; 5wWlTG[ VM5Z[8 SZL4 V[gHLGGL h05 VG];FZ :5FS" %,UG[ SZ\8 VF5[ K[P

  19. 0L:8=LaI]8Z s Distributor / Delco f • EFUM s Parts f • AM0L • 0L:8=LaI]8Z XFO8 • S[D • ZM8Z • C. B. 5M.g8 • Sg0[g;Z q S[5[;L8Z • .uGLXG V[0JFg; q ZL8F0" 5wWlT • 0LP S[5

  20. 0L:8=LaI]8Z s Distributor / Delco f • T[DF\ AM0L VG[ S[5 D]bI EFUM K[P • AM0L V[<I]DLGLID V[,MI 3FT] VG[ S[5 V[AMGF.8DF\YL AG[, CMI K[P • AM0LGL DwIDF\ XFO8 CMI K[PVF XFO8 5Z S[D4 ZM8Z4 V[0JFg; 5wWlT OL8 CMI K[P • S[D 5Z ,Ma; CMI K[P • ZM8Z V[AMGF.8G]\ AG[, CMI K[P T[GL 5Z DwIDF\ A|FX 58L CMI K[P • SFA"G ZM0 VG[ :5|L\U S[5DF\ CMI K[P • S[5DF\ A|FXGF 8DL"G, CMI K[P T[GL ;FY[ :5FS" %,U 5Z HTF H.T. JFIZ HM0FI K[P • ZRGF s Construction f v S[5 ZM8Z S[D AM0L V[0JFg; 5wWlT S[D XFO8 0=F.J ULIZ

  21. 0L:8=LaI]8Z s Distributor / Delco f • ZRGF s Construction f v • 0L:8=LaI]8Z AM0LDF\ %,[8 p5Z C. B. 5M.g8GM D]J[A, 5M.g8 :5|L\UYL VJFCS ZLT[ OL8 SZ[, CMI K[P HIFZ[ OLS; 5M.g8 AM0L VY" SZ[, CMI K[P • C. B. 5M.g8GL ;DF\TZs5[Z[,,fDF\ Sg0[g;Z q S[5[;L8Z OL8 SZ[, CMI K[P • %,[8GL GLR[GF EFU[ .uGLXG V[0JFg; 5wWlT VF5[, CMI K[P S[5 ZM8Z S[D AM0L V[0JFg; 5wWlT S[D XFO8 0=F.J ULIZ

  22. 0L:8=LaI]8Z s Distributor / Delco f • V[gHLGGL S[D XFO8 OZTF\4 S[D J0[ C. B.5M.g8 wJFZF 5|FIDZL ;ZSL8 D[S v A|[S YJFYL H. T. SM.,DF\ CFI JM<8[H SZ\8 pt5gG YFI K[P • H[ 0LPS[5 DwIDF\ :5|L\U VG[ SFA"G ZM0 wJFZF ZM8Z A|FX 58LGL DwIYL K[0[ VFJL ZM8ZGF[ K[0M 0LPS[5GF H[ 8DL"G, ;FY[ ;\5S"DF\ CMI T[ H. T. JFIZ wJFZF T[ JFIZ ;FY[ HM0FI[, %,UDF\ H. T. SZ\8 5CM\R[ K[P • VFD40L:8=LaI]8Z SFD SZ[ K[P • SFI" 5wWlT s Working f v

  23. 0L:8=LaI]8Z s Distributor / Delco f • 0L:8=LaI]8ZGL ;FDFgI BFDLVM • !P C.B.5M>g8GF D]J[A, 5M>g8 OFIAZ JMXZ D]S[, G CMI4 5M>g8 A/L UIF CMI4 5M>g8 5Z BF0F 50[, CMI4 5M>g8 U\NF CMI4 5M>g8 U[5 IMuI G CMIP • ZP Sg0[g;Z XM8" CMIP • #P S[DGM ,MA 3;FI[, CMIP • $P ZM8ZDF\ %,[ CMI4 ZM8Z S|[S CMI4 ZM8Z p5ZGL A|F; 58L T]8[, CMIP • 5P SFA"G ZM0 3;FI[, CMI4 SFA"G ZM0 :5|L\U JLS CMIP • &P O,FIJ[8 HFD CMI4 :5|L\UM JLS CMI • *P 0L:8=LaI]8Z S[5 XM8" CMI4 S[5DF\ JFIZM UD[ T[D UM9JFI[, CMI

  24. 5P :5FS" %,Us Spark Plugf • SFI" s Functionf v :5FS" %,U ;L,Lg0ZDF\ T6BM SZJFG]\ SFD SZ[ K[P

  25. :5FS" %,U s Spark Plugf • ZRGF s Constructionf • :5FS" %,U AM0L :8L,DF\YL AGFJ[, CMI K[P • AM0LGF GLR[GF EFU[ VF\8F CMI K[P • VY" q ;F.0 .,[S8=M0 AM0L ;FY[ HM0[[, CMI K[P • ;[g8Z .,[S8=M0 OZT[ VJFCS 5M;L",LG VG[ VAZBG]\ 50 CMI K[P • ;[g8Z .,[S8=M0 GLS, V[,MI :8L, VYJF %,[8LGDDF\YL AGFJ[, CMI K[P • A[ .,[S8=M0 JrR[ 0.020YL0.040 inchU[5 ZFBJFDF\ VFJ[ K[P

  26. Thermal shrink zone Conductive glass seal (contents of steel shavings determine the resistance) Nickel plated shell

  27. :5FS" %,U s Spark Plug f • 5|SFZ s Type f v !P CM8 :5FS" %,U ZP SM<0 :5FS" %,U

  28. :5FS" %,U s Spark Plug f • !P CM8 :5FS" %,U s Hot Spark Plug f v • VFJF :5FS" %,UDF\ .g:I],[8Z 8L5 ,F\AL CMI K[P • T[DF\ UZDLG[ ;L,Lg0Z C[0 ;]3L 5CM\RJF DF8[ ,F\AM Z:TM 5;FZ SZJM 50[ K[P • VF %,U UZD ZC[ K[P • VF %,UGF Y|[0 ZLR ,F\AM CMI K[P • VF %,U SM<0 ZGL\U V[gHLGMDF\ J5ZFI K[P

  29. :5FS" %,U s Spark Plug f • ZP SM<0 :5FS" %,U s Cold Spark Plug f v • VF :5FS" %,UDF\ .g:I],[8Z 8L5 GFGL CMI K[P • T[DF\ UZDLG[ ;L,Lg0Z C[0 ;]3L 5CM\RJF DF8[ 8]\SM Z:TM 5;FZ SZJM 50[ K[P • VF %,U 9\0F ZC[ K[P • VF %,UGF Y|[0 ZLR 8]\SM CMI K[P • VF %,U CM8 ZGL\U V[gHLGM S[ Z[;L\U DM8ZMDF\ J5ZFI K[P

  30. Heat Range: Too hotspark plug Adapted spark plug Too coldspark plug

  31. :5FS" %,U s Spark Plug f • :5FS" %,U Y|[0 s Spark Plug Thread f v • :5FS" %,U Y|[0GL A[ ;F>h K[P !P 18 MM ZP 14 MM • EFZTLI JFCGMGF V[gHLGMDF\ 14 MM GF :5FS" %,U J3] p5IMU YFI K[P

  32. :5FS" %,U s Spark Plug f • :5FS" %,U ZLR s Spark Plug Rich f v • :5FS" %,U ZLRGL +6 ;F>h K[P !P9.5 MM ZP 12.7 MM #P 19 MM ,M\U ZLR %,U XM8" ZLR %,U

  33. :5FS" %,U s Spark Plug f • :5FS" %,U CL8 Z[gH s Spark Plug Heat Range f v • :5FS" %,U p5Z CL8 Z[gH ,B[, CMI K[P NFPTP W 175 Z 1 H[DF\ • W VFSFZ4 Y|[0 ;F>h4 • 175 G\AZ CL8 Z[gH4 • Z VFSFZ4 >,[S8=M0 5|SFZ4 • 1 %,U ZLR NXF"J[ K[P

  34. Electrode gap

  35. :5FS" %,U s Spark Plug f • :5FS" %,U SFD G VF5JFGF SFZ6M s Reason for Spark Plug Failure f v • !P :5FS" %,UGF A[ >,[S8=M0 JrR[ IMuI U[5 ZFB[, G CMIP • ZP :5FS" %,U UZD YJFYL XM8" YIM CMIP • #P :5FS" %,U ;F>0 >,[S8=M0 T]8L UI[, CMIP • $P :5FS" %,U VF\8F BZFA CMI VYJF %,U C[0DF\ ,]h OL8L\U CMIP • 5P :5FS" %,U U[5 JrR[ VM>, q SRZM VFJJFYLP

  36. OFIZL\U VM0"Z s Firing Order f • D<8L ;L,Lg0Z4 V[gHLGMDF\ V[S ;L,Lg0Z 5KL ALHF ;L,Lg0Z DF\ XlST pt5gG YJFGF S|DG[ OFIZL\U VM0"Z SC[ K[P • +6 ;L,Lg0ZJF/F V[gHLGGM OFIZL\U VM0"Z G\AZ 1 – 3 – 2 4 • RFZ ;L,Lg0ZJF/F V[gHLGGM OFIZL\U VM0"Z G\AZ 1 – 3 – 4 – 2 4 • K ;L,Lg0ZJF/F V[gHLGGM OFIZL\U VM0"Z G\AZ 1 – 5 – 3 – 6 – 2 – 4 K[P

  37. >uGLXG 8F>DL\UG]\ DCtJ s Important of Correct Ignition Timing f • V[gHLGDF\ pt5gG YTL XlSTGM VF3FZ RFH"GF NCG 5Z ZC[, K[P • 5[8=M, V[gHLGDF\ OFIZL\U VM0"Z D]HA CJF VG[ 5[8=M,GF lD`F|6G]\ NCG YFI K[P • 5[8=M,G[ T6BM D/TF ;/UTF YM0L JFZ ,FU[ K[P • H[YL 5FJZ :8=MS X~ YFI T[ 5C[,F V[8,[ S[ SMd5|[XG :8=MS 5]ZM YFI T[ 5C[,F T6BM SZJFDF\ VFJ[ K[P H[G[ >uGLXG 8F>DL\U SC[ K[P • HM ;DI;Z :5FS" sT6BMf SZJFDF\ VFJ[ TM lD`F|6G]\ ;\5}6" NCG YFI K[P VG[ • T[DF\YL 5]Z[5]ZL XlST D/[ K[P • :5FS" ;DI;Z YFI T[ DF8[ >uGLXG 8F>DL\U D[/JJFDF\ VFJ[ K[P

  38. >uGLXG 8F>DL\UG]\ DCtJ s Important of Correct Ignition Timing f • HM ;DI SZTF JC[,M :5FS" YFITM 4 • V[gHLG VF>0,L\UDF\ l5| >uGLXG YFI4 • V[gHLG VMJZ CL8 YFI4 • A[S OFIZ s V[Z S,LGZDF\YL f YFI4 • 5FJZ ,M; YFI4 • V[ShM:8 U[; J3] GLS/[

  39. >uGLXG 8F>DL\UG]\ DCtJ s Important of Correct Ignition Timing f • HM :5FS" ;DI SZTF\ DM0M YFI TM 4 • V[gHLGDF\ :8F8L"\U 0LOLS<8L4 • VMJZ CL8L\U4 • A[S OFIZ s ;FI,[g;ZDF\YL f YFI4 • 5FJZ ,M; YFI4 • V[ShM:8 U[; J3] GLS/[

  40. 5|`GM • .uGLXG ;L:8DG]\ SFI" X]\ K[ m • A[8ZL .uGLXG ;L:8DGF D]bI EFUM SIF K[ m • .uGLXG ;L:8DDF\ Sg0[g;Z XF DF8[ VF5JFDF\ VFJ[ K[ m • BZFA Sg0[g;Z X]\ V;Z SZ[ K[ m • 0L{8=LaI]8ZDF\ SMg8[S8 A|[SZ 5M.g8 X]\ SFI" SZ[ K[ m • :5FS" %,UDF\ U[5 XF DF8[ ZFBJFDF\ VJ[ K[ m • :5FS" %,UGL U[5 DF5JF DF8[ SIF ;F3GGM p5IMU SZJFDF\ VFJ[ K[ m

  41. p5;\CFZ • VFH[ VF56[4 • 5[8=M, V[gHLGGL .uGLXG ;L:8D 4 • .uGLXG ;L:8DG]\ SFI" 4 5|SFZ4 ZRGF 4 • .uGLXG ;L:8DGF EFUM 4 • .uGLXG 8F.DL\U lJX[ XLbIFP

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