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,[XG G\AZ v Z&

,[XG GAZ v Z&. OI]V, .gH[SXG 5d5. Fuel injection pump. C[T]VM. VF ,[XGDFYL TF,LDFYL "VM4 OI]V, .gH[SXG 5d5GF 5|SFZ4 HS" 8F.5 s .G ,F.G f OI]V, .gH[SXG 5d5 4 UJ"GZ4 V[Z a,L0LU lJU[Z[ lJX[ XLBX[P. OI]V, >gH[SXG [ F. I . Pump ]. SFI". Function.

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,[XG G\AZ v Z&

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  1. ,[XG G\AZ v Z& OI]V, .gH[SXG 5d5 Fuel injection pump

  2. C[T]VM • VF ,[XGDF\YL TF,LDFYL "VM4 • OI]V, .gH[SXG 5d5GF 5|SFZ4 • HS" 8F.5 s .G ,F.G f OI]V, .gH[SXG 5d5 4 • UJ"GZ4 • V[Z a,L0L\U lJU[Z[ lJX[ XLBX[P

  3. OI]V, >gH[SXG [ F. I . Pump ] • SFI" Function • NZ[S >gH[S8ZG[ OFIZL\U VM0"Z 5|DF6[ CF> 5|[;ZYL VG[ RMSS; HyYFDF\ 0Lh, 5CM\RF0JFG]\ SFI" SZ[ K[P

  4. OI]V, >gH[SXG [ F. I . Pump ] • :YFG [ Location of F. I . Pump ] • 0Lh, OI]V, ;L:8DDF\ OI]V, OL0 5d5 VG[ >gH[S8Z JrR[ FI 5d5 CMI K[P

  5. OI]V, >gH[SXG [ F. I . Pump ] • OI]V, >gH[SXG 5d5GF 5|SFZ [ Types of F. I. Pump ] • !P HS" 8F>5 s>G ,F>G 8F>5f OI]V, >gH[SXG 5d5 • ZP 0L:8=LaI]8ZsZM8Zf 8F>5 OI]V, >gH[SXG 5d5

  6. !P HS" q %,gHZ 8F>5 s>G ,F>G 8F>5fOI]V, >gH[SXG 5d5 [ Jerk / Plunger Type Fuel Injection Pump ] • ZRGF q EFUM [ Construction / Parts ]v • %,gHZ4 • 8]Y[0 SJF0Zg84 • S\8=M, ZM04 • %,gHZ ZL8G" :5|L\U4 • ZM,Z 8[5[84 • S[D XFO84 • S[D • 5d5 AM0L4 • 0L,LJZL I]GLIG4 • 0L,LJZL JF<J4 • 0LPJF<J :5|L\U4 • JF<J ;L84 • A[Z,4

  7. !PHS" q %,gHZ 8F>5 s>G ,F>G 8F>5f OI]V, >gH[SXG 5d5 • >G ,F>G OI]V, >gH[SXG 5d5GL ZRGFDF\ %,gHZ CMI K[P H[ A[Z,DF\ ZC[ K[P %,gHZ VG[ A[Z,GL HM0LG[ V[,LD[g8 SC[ K[P • A[Z,DF\ %,gHZ Z{lBS UlT SZ[ K[P • %,gHZG[ VM5Z[8 SZJF 5d5 AM0LDF\ GLR[GF EFU[ S[D XFO8 CMI K[P • H[ FIPGF 8F.DL\U ULIZGL DNNYL V[gHLGGL UlT D[/J[ K[P • S[D J0[ %,gHZ A[Z,DF\ p5Z TZO 3S[,FI K[P VG[ %,gHZ ZL8G" :5|L\U %,gHZG[ GLR[ B[\RL ,FJ[ K[P

  8. !P HS" q %,gHZ 8F>5 s>G ,F>G 8F>5fOI]V, >gH[SXG 5d5 • HIFZ[ A[Z,DF\ %,gHZ GLR[GL AFH] CMItIFZ[ >G,[8 5M8" B]<,F CMI K[ • 5d5 0Lh, U[,[ZLDF\YL 0Lh, A[Z, DF\ VFJ[ K[P • CJ[4%,gHZ S[D J0[ p\RSFI K[PtIFZ[ AgG[ 5M8" A\3 YFI K[P tIFZAFN H[D H[D %,gHZ p5Z TZO HFI K[P T[D T[D 0Lh, p5Z NAF6 YFI K[P • H[YL 0LPJF<J B],L H>4 0Lh, 0LP I]lGIG DFZOT[4 CF> 5|[;Z 5F>5 ,F>G wJFZF >gH[S8ZDF\ HFI K[P • SFI" 5w3lT [ Working of FIP ]

  9. Plunger stroke phases

  10. !P HS" q %,gHZ 8F>5 s>G ,F>G 8F>5fOI]V, >gH[SXG 5d5 • SFI" 5w3lT [ Working of FIP ] • VF NAF6 I]ST 0Lh, >gH[S8ZDF\ GL0, JF<JG[ BM,[ K[P VG[ ;L,LP DF\ :5|[ X~ YFI K[P • %,gHZ J3FZ[ p5Z HTF\ C[,LS, :,M8 :5L, 5M8"GL ;FD[ VFJ[ K[P T[YL %,gHZGF p5ZGF EFU[ 0Lh, G]\ NAF6 38L HTF\ >gH[S8ZDF\ GL0, JF<J A\3 YFI K[P VG[ :5|[ 5]ZM YFI K[P

  11. %,gHZ Sg8=M, [ Plunger Control ] • %,gHZGL :8=MS ,\AF> ;TT V[S;ZBL ZC[ K[P T[YL T[DF\ O[ZOFZ SZL XSFTM GYLP 5Z\T] %,gHZ p5Z AG[[,M :,M8 ;L3M G ZFBTF C[,LS, ZFBJFDF\ VFJ[ K[P T[YL • %,gHZG[ H]NL H]NL DF+FDF\ UM/ O[ZJLV[ TM %,gHZGL H]NL H]NL p\RF.V[ :,M8G[ :5L, 5M8"GL ;FD[ ,FJL XSFI T[YL :5|[GF ;DIUF/FDF\ J3 38 SZJL XSI AG[ K[P • VF ZLT[ ;L,Lg0ZDF\ :5|[ YTF 0Lh,G]\ 5|DF6 lGI\l+T Y> XS[ K[P • NZ[S %,gHZG[ :,LJDF\ ,MS SZ[,F CMI K[P :,LJ 5Z 8]Y SJF0Zg8 OL8 YFI K[P • NZ[S 8]Y SJF0Zg8GF NF\TF V[S VF0F Z[S ZM0 ;FY[ HM0FI[,F CMI K[P • Z[SZM0G[ 0FA[ HD6[ B;[0L V[S;FY[ AWF %,gHZG[ H~Z D]HA UM/ O[ZJL XSFI K[ • VF Z[S ZM0 UJ"GZGL DNNYL V[S;L,[8Z 5[0, ;FY[ HM0FI[, ZC[ K[P • H[G[ 0=FIJZ 5U J0[ VM5Z[8 SZL XSFI K[P

  12. 0L,LJZL JF<J [ Delivery Valve ] • ;L,Lg0ZDF\ :5|[GL X~VFT VG[ V\T tJZLT SZJF[ HM>V[P H[YL :5|[GL X~VFT DF\ S[ V\T[ 0Lh,GF 8L\5F\ >gH[S8ZDF\YL G 50[P • VF DF8[ %,gHZ VG[ >gH[S8ZG[ HM0TL CF> 5|[;Z ,F>G 0Lh,YL EZFI[,L ZC[JL HM>V[P • CF> 5|[;Z ,F>G BF,L G YFI T[ DF8[ A[Z,GF p5ZGF K[0[ GMG ZL8"G 5|SFZGM 0L,LJZL JF<J UM9JFI[,M ZC[ K[P H[ 0L,LJZL JF<J CM<0ZDF\ A\3 ZC[ K[P • VF JF<J CF> 5|[;Z ,F>GDF\ ZC[, 0Lh,G[ A[Z,DF\ 5FK] VFJJF N[TM GYLP

  13. OI]V, .gH[SXG 5d5 8[:8L\U [ Fuel Injection Pump Testing ] • OI]V, .gH[SXG 5d5DF\ A[ 5|SFZGF 8[:8 SZJFDF\ VFJ[ K[P • !P O[hL\U 8[:8 • ZP S[,LA|[XG 8[:8

  14. !P O[hL\U 8[:8 [ Phasing Test ] • F.I. 5d5 V[gHLGGL V\NZ NZ[S ;L,Lg0ZDF\ RMSS; ;DI[ 0Lh, DMS,[ V[8,[ S[ HM 5|YD ;L,Lg0ZDF\ SMd5|[XG :8=MS 5}ZM YJFGF 15 00LU|L 5C[,F\ 0Lh,GM K\8SFJ s :5|[ f SZT] CMI TM A3LH V[,LD[g8 H[ T[ ;L,Lg0ZDF\ SF[d5|[XG :8=MS 5}ZM YJFGF 15 00LU|L 5C[,F\ H 0Lh,GM :5|[ YJM HM.V[P • VF RMS;F. D[/JJF DF8[ 5d5 p5Z V[0H[:8D[g8 SZJFGL 5w3lTG[ 5d5GF O[HL\U TZLS[ VM/BFI K[P • F.I. 5d5GF 8[5[8 p5Z V[0H[:8L\U G8 VG[ :S|] J0[ VYJF S[8,FS 5d5DF\ 8[5[8 p5Z ;Ld; D]SL VYJF ;Ld; N]Z SZL F.I. 5d5 8F.DL\U UM9JL XSFI K[P

  15. ZP S[,LA|[XG 8[:8 [ Calibration Test ] • F.I.5d5 V[gHLGGF NZ[S ;L,Lg0ZDF\ NZ[S UlTV[ V[S ;ZBF 5|DF6DF\ 0Lh,GM HyYM :5|[ SZ[ T[ H~ZL K[P • VF 5|DF6[ F.I. 5d5 G[ ;[8 SZJFGL lS|IFG[ S[,LA|[XG 8[:8 SC[ K[P • H[ Sg8=M, :,LJ VG[ Sg8=M, 5LGLIG J0[ SZL XSFI K[P • F.I. 5d5G]\ O[hL\U VG[ S[,LA|[XG 8[:8L\U SZJF DF8[ S[,LA|[XG 8[:8 A[gRGM p5IMU YFI K[P

  16. UJ"GZ [ Governor ] • 0Lh, V[gHLGDF\ V[gHLGGL UlT J3FZJF DF8[ H[D H[D V[S;L,[8Z J3FZJFDF\ VFJ[ T[D T[D .gH[S8Z TZO HTF 0Lh,GM HyYM J3[ K[PSdAXG R[dAZDF\ NFB, YTL CJFGM HyYM J3TM GYLP 5lZ6FD[ V[Z OI]V, lD1RZ ZLR YFI K[P • H[ V[gHLGGL UlT J3FZ[ K[P5lZ6FD[ DCTD UlT p5Z SM. lGI\+6 ZC[T] GYLP VF DCTD UlT p5Z lGI\+6 ZFBJFG]\ SFI" UJ"GZ SZ[ K[P

  17. UJ"GZ [ Governor ] • UJ"GZGF 5|SFZ [ Types of Governer ]v • UJ"GZ RFZ 5|SFZGF CMI K[P • s ! f lDS[GLS, UJ"GZ • s Z f gI]D[8LS UJ"GZ • s # f CF.0=M,LS UJ"GZ • s $ f .,[S8=LS UJ"GZ

  18. 0Lh, OI]V, ;L:8DDF\YL CJF N]Z SZJFGL ZLT s V[Z a,L0L\U f [ Method of Air Bleeding from Diesel Fuel Feed System ] • 0Lh, OI]V, ;L:8DDF\ HM CJF VFJL HFI TM .gH[S8ZG[ 0Lh, D/T] A\3 Y. HFI K[P 5lZ6FD[ V[gHLG RF,] Y. XST] GYLP 0Lh, OI]V, ;L:8DDF\ VFJL UI[, CJF N]Z SZJFGL 5wWlTG[ V[Z a,L0L\U SC[JFDF\ VFJ[ K[P • VF 5|lS|IF X~ SZTF 5C[,F OI]V, 8[gSDF\ 0Lh, EZ[,]\ K[ T[GL BF+L SZL ,MP • C[g0 5|F.DL\U 5d5GF VF\8F BM,MP 5|FIDZL OL<8ZGF[ J[g8 %,U :S|] -L,M SZMP C[g0 5d5YL 5d5L\U SZMP J[g8 %,U :S|]DF\YL 0Lh, VG[ CJFGF 5Z5M8F GLS/JF ,FUX[P5Z5M8F JUZG]\ 0Lh, VFJJF ,FU[ V[8,[ J[g8 :S|] 8F.8 SZL ,MP • VF ZLT[ ;[Sg0ZL OL<8Z4 OI]V, 5d5GL VM., U[,[ZL4 .gH[S8Z lJU[Z[ EFUM VFU/YL V[Z a,L0L\U SZMP • V[Z a,L0L\U SZTL JBT[ C[g0 5|F.DL\UGL lS|IF ;TT RF,] ZFBMP

  19. >gH[SXG ;L:8DGL HF/J6L [ Maintenance of Fuel System ] • !P C\D[XF X]w3 0Lh,GM p5IMU SZMP • ZP OL<8Z V[,LD[g8 RMSS; ;DI[ AN,L GF\BJ] HM>V[P • #P V[gHLG VMJZ CL8 s J3] 50T] UZD f G YJF NMP • $P V[gHLG VM>, AN,TL JBT[ OI]V, 5d5G]\ VM>, AN,MP • 5P >gH[SXG 5d5 OFpg0[XG AM<8 NZ JBT[ T5F;MP • &P 5F>5 ,F>G ,LS[H G CMJL HM>V[P 8F>8 SZJF KTF\ ,LS[H CMITM AN,MP • *P V[gHLG C\8L\U SZT] CMI4 SF/M 3]DF0M SF-T] CMI VYJF J3FZ[ Z[>h YT] CMI TM 8[:8 A[gR p5Z 5d5 TYF >gH[S8Z T5F;MP • (P >gH[SXG 5d5GF A|L3ZG[ ;FO ZFBMP

  20. 5|`GM • OI]V, .gH[SXG 5d5GF 5|SFZ H6FJM m • HS" 8F.5 OI]V, .gH[SXG 5d5GF EFUMGF GFD H6FJM m • HS" 8F.5 OI]V, .gH[SXG 5d5DF\ OI]V,G]\ 5|DF6 S[JL ZLT[ AN,L XSFI K[ m • FI 5d5GF 8[:8 H6FJM m • OI]V, .gH[SXG 5d5 ;FY[ UJG"Z XF DF8[ ZFBJFDF\ VFJ[ K[ m • UJG"ZGF 5|SFZ H6FJM m • V[Z a,L0L\U V[8,[ X]\ m

  21. p5;\CFZ • VFH[ VF ,[XGDF\YL 4 • OI]V, .gH[SXG 5d5GF 5|SFZ4 • HS" 8F.5 s .G ,F.G f OI]V, .gH[SXG 5d5 4 • UJ"GZ4 • V[Z a,L0L\U lJU[Z[ lJX[ XLbIFP • VFJTF 5LZLI0DF\ .gH[S8Z GMh, lJX[ XLBLX]P

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