Determining shim thickness for commencement of delivery. Bosch injection pump Table 2 Table 1 1 Calculation example: BFM 1012 BFM 1013 1.00.13.1 Engine type Commencement of delivery (FB) (° C/A BTDC) Camshaft type Pre-stroke (Vh) Nom. value (mm) Pre-stroke correction factor (mm/° C/A) Standard dimensions inj.
pump (Lo) (mm) BFM 1012 BFM 1012 BFM 1012 BFM 1012/ C BFM 1012/ C BFM 1012/ C BFM 1012 BFM 1012 6 7 8 9 10 11 12 13 C C C C C C C C 5,16 4,98 4,80 4,63 4,47 4,30 4,14 4,00 0,1 0,1 0,1 0,1 0,1 0,1 0,1 0,1 109 / 119 109 / 119 109 / 119 109 / 119 109 / 119 109 / 119 109 / 119 109 / 119 BFM 1013 BFM 1013 BFM 1013 BFM 1013 BFM 1013/ C BFM 1013 5 6 7 8 9 10 A A A A A A 6,32 6,11 5,90 5,70 5,50 5,31 0,1 0,1 0,1 0,1 0,1 0,1 143 143 143 143 143 143 BFM 1013 BFM 1013 BFM 1013 BFM 1013 BFM 1013 BFM 1013 4 4,5 5 5,5 6 7 B B B B B B 5,70 5,60 5,50 5,40 5,31 5,10 0,1 0,1 0,1 0,1 0,1 0,1 143 143 143 143 143 143 Theor. thickness "T" S (mm) Shim- thickness "S" S (mm) Theor.
thickness "T" S (mm) Shim- thickness "S" S (mm) 0,95 - 1,049 1,05 - 1,149 1,15 - 1,249 1,25 - 1,349 1,35 - 1,449 1,45 - 1,549 1,55 - 1,649 1,65 - 1,749 1,75 - 1,849 1,85 - 1,949 1,95 - 2,049 2,05 - 2,149 2,15 - 2,249 2,25 - 2,349 2,35 - 2,449 1,0 1,1 1,2 1,3 1,4 1,5 1,6 1,7 1,8 1,9 2,0 2,1 2,2 2,3 2,4 2,45 - 2,549 2,55 - 2,649 2,65 - 2,749 2,75 - 2,849 2,85 - 2,949 2,95 - 3,049 3,05 - 3,149 3,15 - 3,249 3,25 - 3,349 3,35 - 3,449 3,45 - 3,549 3,55 - 3,649 3,65 - 3,749 2,5 2,6 2,7 2,8 2,9 3,0 3,1 3,2 3,3 3,4 3,5 3,6 3,7 Cylinder No. 0 0 1 2 0 1 2 3 Injection pump No. xxx xxx xxx FB measured °C/A 8 8 10 FB nom. from table 1 °C/A 9 9 10 Vh corr. factor from table 1 mm/°C/A 0.1 0.1 0.1 Vh nom.
from table 1 mm 4.63 4.63 5.31 L0 nom. from table 1 mm 109 119 143 A/100 of inj. pump mm 0.53 0.22 1.33 L measured mm 116.26 126.57 152.22 E1 = FB act. - FB nom °C/A -1 -1 0 E2 = E1 x Vh corr. factor mm -0.1 -0.1 0 E3 = E2 + Vh nom. mm 4.53 4.53 5.31 E4 = E3 + L 0 mm 113.53 123.53 148.31 E5 = E4 + A/100 mm 114.06 123.75 149.64 TS = L - E5 mm 2.20 2.82 2.58 "SS" from table 2 mm 2.2 2.8 2.6