High pressure fuel pump
High pressure fuel pump model 4UTNI-T-1111005-50
Installed on diesel D-245
High pressure fuel pump: I - version of a single-lever injection pump; II - a variant of a double-lever injection pump; 1 - fuel priming pump; 2 - pusher roller bushing; 3 - pusher roller; 4 - plunger pusher; 5 - pusher adjusting bolt with locknut; 6 - bottom plate; 7- plunger shank; 8 - plunger spring; 9 - rail; 10 - ring gear; 11 - fuel outlet channel; 12 - pressure valve spring; 13 - fitting; 14 - discharge valve; 15 - gasket; 16 - discharge valve seat; 17 - fuel supply channel; 18 - plunger bushing; 19 - coupling screw; 20 - pin; 21 - top plate; 22 - rotary plunger sleeve; 23 - cover; 24 - injection pump housing; 25 - cam shaft; 26 - rack nut; 27 - nut; 28 - washer; 29 - slotted sleeve; 30 - mounting flange; 31 - key; 32 - spring; 33 - air outlet plug; 34 - futorka; 35 - bypass valve; 36 - bolt; 37 - clamp; 38 and 102 - futorki: 39 - boost corrector housing; 40 - spring lever; 41 - spring starting enricher; 42 - finger; 43 - earring; 44 - regulator spring; 45 - rack rod; 46 - emphasis; 47- cover of the boost corrector; 48 - the main lever of the regulator; 49 - pin; 50 - bushing; 51 - diaphragm; 52 - plate; 53 - boost corrector cover; 54 - stock; 55 - screw; 56 - bolt; 57 - idle spring; 58-corrector rod; 59 - shims; 60-hard stop; 61 - corrector housing; 62 - bracket; 63 - bolt; 64 - heel; 65 - axis of the intermediate lever; 66 - intermediate lever; 67 - body of the speed controller; 68 - axis of levers; 69 - cargo; 70 - regulator clutch; 71 - adjusting screw; 72 - cargo axis; 73 - hub; 74 - elastic drive rubber elements; 75 - thrust washer; 76 - bearing cup; 77 - plate retainer; 78 - pump mounting plate; 79 - bearing; 80 - square bolt; 81 - handle - nut; 82 - cover; 83 - vertical cylinder; 84 - stock; 85 - piston of the fuel pump; 86 - inlet nylon valve; 87 - swivel square; 88 - body; 89 and 96 - springs; 90 - Discharge valve; 91 - fuel pump; 92 - pusher; 93 - guide sleeve; 94 - rod; 95 - piston of the fuel pump; 97 - emphasis; 98 - cork; 99 - fuel control lever; 100 - control lever roller; 101 - screw for adjusting the maximum speed; 103 - screw for adjusting the diesel stop lever; 104 - diesel stop lever
Plunger diameter 9.0 mm
Plunger stroke 9.0 mm
Spacing between sections 32 mm
Dimensions (length, width, height), mm 398х171х284
Weight, kg, no more than 14.5
Direction of rotation of the camshaft (drive side) - Right-hand
Pump section order 1-3-4-2
Angles of rotation of the camshaft (from the drive side), degrees 0-90-180-270
Ratio of camshaft speed to diesel crankshaft speed 1:2
Plunger stroke in the first section from the lower extreme position to the geometric start of injection, mm 3.3+ 0.05
Discharge valve - Mushroom, feather
Lubrication system - circulation, oil, with oil supply under pressure from the diesel lubrication system
Fuel priming pump - Piston with manual priming pump
Regulator - Centrifugal, all-mode, direct action with boost corrector
Supercharge corrector - Pneumatic
Nozzle - Mod. 17.1112010-01, closed type with hydraulically controlled needle lift, rod
Installed nozzle diameter, mm - 22.5
The method of adjusting the pressure of the start of fuel injection - Adjusting screw
Injection start pressure, MPa 17.5-18.2
Atomizer type - Mod. 145.1112110, fixed, multi-jet, five-hole
Nozzle weight, kg 0.75