WORKSHOP MANUAL - lombardini service
WORKSHOP MANUAL - lombardini service WORKSHOP MANUAL - lombardini service
11 TORQUE SPECIFICATIONS AND USE OF SEALANT TABLE OF TIGHTENING TORQUES FOR THE MAIN COMPONENTS Injection pump control rod Connecting rod **** POSITION Riference (figure and page n°) 45÷46 - p. 34 97 - p. 46 Diam. & pitch ( mm ) M 3 spec. 8x1 Torque ( Nm ) 1,1 40 Sealant Glow-plugs Oil filter cartridge (M 20x1,5 union) Camshaft bearing (M 6 screws) Rocker arm cover Main bearing caps Oil pan Camshaft bearing support screw Glow-plug cable nuts Fuel lift pump nuts Belt tensioner nut External Stop control lever nut Pump/injector unit fixing nut Rocker arm assembly support nut Fuel pump cam Flywheel side oil seal ring flange Pre-combustion chamber ring nut Vacuum pump fixing screws Belt tensioner Crankcase Speed governor lever screw Driving pulley Camshaft timing pulley Oil pressure switch Oil drain plug Cylinder headù Injection pipe Flywheel 166÷167 - p. 70 39 - p. 33 107÷111 - p. 48 80 - p. 41 34 - p. 31 140 - p. 60 25 - p. 29 152 - p. 64 51 - p. 35 73÷79 - p. 40÷41 7÷8 - p. 25 12 - p. 26 20 - p. 28 173 - p. 72 125÷126 - p. 55 95÷96 - p. 45 47 - p. 34 11 - p. 26 12x1,25 20X1,5 6 6x1 M 10 M 6 M 6 5x0,8 8x1,5 M 10 8x1,25 M 8 M 10 M 6 30x1,5 10x1,25 10 12x1,5 6x1 16x1,5 sin. 10x1,25 12x1,5 12x1,5 18 TCEI 4x1,5 10x1,5 20 15 10 9 60 10 10 5 24 40 8 20* 40 12 ** 50 15 7 360 80 25 40 *** 4 80 270 270 638 Silicon 7091 270 242 242 * Tighten the two nuts that fasten each pump/injector unit at the same time. For engines with the injectors fixed with selflocking nuts, tighten the nuts at 23 Nm. ** Tighten these in two phases: the first phase at 100 Nm, the second phase at 180 Nm. See page 40-41, figures 73-79. *** See page 45 **** Aluminium connecting rod with 35 Nm tightening torque. - 80 - FOCS Workshop Manual_cod. 1.5302.858_1° ed_ rev. 00
Torque specifications and use of sealant 11 Table of tightening torques for standard screws (coarse thread) Resistance class (R) Quality/ Dimensions 4.6 4.8 5.6 5.8 6.8 8.8 10.9 12.9 Diameter M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 R>400N/mm 2 R>500N/mm 2 R>600N/mm 2 R>800N/mm 2 R>1000N/mm 2 R>1200N/mm 2 Nm 0,5 1,1 2,3 3,8 9,4 18 32 51 79 109 154 206 266 394 544 Nm 0,7 1,5 3 5 13 25 43 68 105 145 205 275 355 525 725 Nm 0,6 1,4 2,8 4,7 12 23 40 63 98 135 193 260 333 500 680 Nm 0,9 1,8 3,8 6,3 16 31 54 84 131 181 256 344 444 656 906 Nm 1 2,2 4,5 7,5 19 37 65 101 158 218 308 413 533 788 1088 Nm 1,4 2,9 6 10 25 49 86 135 210 290 410 550 710 1050 1450 Nm 1,9 4,1 8,5 14 35 69 120 190 295 405 580 780 1000 1500 2000 Nm 2,3 4,9 10 17 41 83 145 230 355 485 690 930 1200 1800 2400 Table of tightening torques for standard screws (fine thread) Resistance class (R) Quality/ Dimensions 4.6 4.8 5.6 5.8 6.8 8.8 10.9 12.9 Diameter M 8x1 M 10x1 M 10x1,25 M 12x1,25 M 12x1,5 M 14x1,5 M 16x1,5 M 18x1,5 M 18x2 M 20x1,5 M 20x2 M 22x1,5 M 24x2 M 27x2 M 30x2 R>400N/mm 2 R>500N/mm 2 R>600N/mm 2 R>800N/mm 2 R>1000N/mm 2 R>1200N/mm 2 Nm 10 21 20 36 38 56 84 122 117 173 164 229 293 431 600 Nm 14 28 26 48 45 75 113 163 157 230 218 305 390 575 800 Nm 13 26 24 45 42 70 105 153 147 213 204 287 367 533 750 Nm 17 35 33 59 56 94 141 203 196 288 273 381 488 719 1000 Nm 20 42 39 71 68 113 169 244 235 345 327 458 585 863 1200 Nm 27 56 52 95 90 150 225 325 313 460 436 610 780 1150 1600 Nm 38 79 73 135 125 210 315 460 440 640 615 860 1100 1600 2250 Nm 45 95 88 160 150 250 380 550 530 770 740 1050 1300 1950 2700 FOCS Workshop Manual_cod. 1.5302.858_1° ed_ rev. 00 - 81 -
- Page 30 and 31: 4 Disassembly / Reassembly Valve ti
- Page 32 and 33: 4 Disassembly / Reassembly OIL PUMP
- Page 34 and 35: 4 Disassembly / Reassembly Injectio
- Page 36 and 37: 4 Disassembly / Reassembly 54 55 CA
- Page 38 and 39: 4 Disassembly / Reassembly VALVES T
- Page 40 and 41: 4 Disassembly / Reassembly Valve se
- Page 42 and 43: 4 Disassembly / Reassembly PISTON R
- Page 44 and 45: 4 Disassembly / Reassembly 91 92 Pi
- Page 46 and 47: 4 Disassembly / Reassembly CONNECTI
- Page 48 and 49: 4 Disassembly / Reassembly Central
- Page 50 and 51: 4 Disassembly / Reassembly Cranksha
- Page 52 and 53: 4 Disassembly / Reassembly . ......
- Page 54 and 55: 5 LUBRIFICATION CIRCUIT Danger - At
- Page 56 and 57: 5 Lubrification circuit Oil pressur
- Page 58 and 59: 6 COOLANT CIRCUIT Danger - Attentio
- Page 60 and 61: 7 FUEL SYSTEM Fuel feeding / inject
- Page 62 and 63: 7 Fuel system Plunger barrel ring n
- Page 64 and 65: 7 Fuel system Setting of injector R
- Page 66 and 67: 7 Fuel system Static injection adva
- Page 68 and 69: 8 ELECTRIC SYSTEM Alternator, 14V 3
- Page 70 and 71: 8 Electric System STARTER MOTOR - B
- Page 72 and 73: 8 Electric System Oil pressure swit
- Page 74 and 75: 9 SETTINGS SPEED SETTINGS Setting t
- Page 76 and 77: 9 Settings Pump/injector unit deliv
- Page 78 and 79: 10 STORAGE ENGINE STORAGE - When th
- Page 82 and 83: 12 SPECIAL TOOLS SPECIAL TOOLS DESC
- Page 84: - Notes . .........................
11<br />
TORQUE SPECIFICATIONS AND USE OF SEALANT<br />
TABLE OF TIGHTENING TORQUES FOR THE MAIN COMPONENTS<br />
Injection pump control rod<br />
Connecting rod ****<br />
POSITION<br />
Riference<br />
(figure and page n°)<br />
45÷46 - p. 34<br />
97 - p. 46<br />
Diam. & pitch<br />
( mm )<br />
M 3 spec.<br />
8x1<br />
Torque<br />
( Nm )<br />
1,1<br />
40<br />
Sealant<br />
Glow-plugs<br />
Oil filter cartridge (M 20x1,5 union)<br />
Camshaft bearing (M 6 screws)<br />
Rocker arm cover<br />
Main bearing caps<br />
Oil pan<br />
Camshaft bearing support screw<br />
Glow-plug cable nuts<br />
Fuel lift pump nuts<br />
Belt tensioner nut<br />
External Stop control lever nut<br />
Pump/injector unit fixing nut<br />
Rocker arm assembly support nut<br />
Fuel pump cam<br />
Flywheel side oil seal ring flange<br />
Pre-combustion chamber ring nut<br />
Vacuum pump fixing screws<br />
Belt tensioner<br />
Crankcase<br />
Speed governor lever screw<br />
Driving pulley<br />
Camshaft timing pulley<br />
Oil pressure switch<br />
Oil drain plug<br />
Cylinder headù<br />
Injection pipe<br />
Flywheel<br />
166÷167 - p. 70<br />
39 - p. 33<br />
107÷111 - p. 48<br />
80 - p. 41<br />
34 - p. 31<br />
140 - p. 60<br />
25 - p. 29<br />
152 - p. 64<br />
51 - p. 35<br />
73÷79 - p. 40÷41<br />
7÷8 - p. 25<br />
12 - p. 26<br />
20 - p. 28<br />
173 - p. 72<br />
125÷126 - p. 55<br />
95÷96 - p. 45<br />
47 - p. 34<br />
11 - p. 26<br />
12x1,25<br />
20X1,5<br />
6<br />
6x1<br />
M 10<br />
M 6<br />
M 6<br />
5x0,8<br />
8x1,5<br />
M 10<br />
8x1,25<br />
M 8<br />
M 10<br />
M 6<br />
30x1,5<br />
10x1,25<br />
10<br />
12x1,5<br />
6x1<br />
16x1,5 sin.<br />
10x1,25<br />
12x1,5<br />
12x1,5<br />
18<br />
TCEI 4x1,5<br />
10x1,5<br />
20<br />
15<br />
10<br />
9<br />
60<br />
10<br />
10<br />
5<br />
24<br />
40<br />
8<br />
20*<br />
40<br />
12<br />
**<br />
50<br />
15<br />
7<br />
360<br />
80<br />
25<br />
40<br />
***<br />
4<br />
80<br />
270<br />
270<br />
638<br />
Silicon<br />
7091<br />
270<br />
242<br />
242<br />
* Tighten the two nuts that fasten each pump/injector unit at the same time. For engines with the injectors fixed with selflocking<br />
nuts, tighten the nuts at 23 Nm.<br />
** Tighten these in two phases: the first phase at 100 Nm, the second phase at 180 Nm. See page 40-41, figures 73-79.<br />
*** See page 45<br />
**** Aluminium connecting rod with 35 Nm tightening torque.<br />
- 80 - FOCS Workshop Manual_cod. 1.5302.858_1° ed_ rev. 00
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