Reference Modification no.
- 4 -
Page
82
Date
2002 01 01
Main
914 F
01476
11.9) Tightening torques
In general all screw connections have to be tightened by the use of a torque wrench.
If not specified otherwise for a component tighten screw-connections to following
torque:
M4 ➪ 4 Nm (35 in.lb)
M5 ➪ 6 Nm (53 in.lb)
M6 ➪ 10 Nm (90 in.lb)
M8 ➪ 24 Nm (212 in.lb)
M10 ➪ 35 Nm (310 in.lb)
â—† NOTE: Adhere to the tightening torques specified. See also indications in
Spare Parts List.
Hex. nut............................free wheel housing ...................M 34x1,5 ....... 120 Nm (1060 in.lb)
Stud..................................cylinder and cylinder head ........M 8 .................... 3 Nm (70 in.lb)
Hex. collar cap nut ...........cylinder head ............................M 8 .................. 22 Nm (195 in.lb)
Hex. nut............................cylinder head ............................M 8 .................. 22 Nm (195 in.lb)
Temperature sensor .........cylinder head ............................M 10 ................ 10 Nm (90 in.lb)
Spark plugs ......................on cold engine ..........................M 12x1,25 ....... 20 Nm (180 in.lb)
Impeller ............................water pump ...............................M 8 .................. 15 Nm (130 in.lb)
Allen screw ......................electronic module .....................M 5 ................. 2,5 Nm (22 in.lb)
Hex. hd. screw .................flywheel ....................................M 16x1,5 ....... 120 Nm (1060 in.lb)
Hex. hd. screw .................gearbox bearing fixation ...........M 7 .................. 15 Nm (130 in.lb)
Hex. nut............................drive gear on crankshaft............M 30x1,5 LH .. 200 Nm (1770 in.lb)
Box nut .............................fuel line .....................................M10x1 ............. 10 Nm (90 in.lb)
Plug screw .......................oil drain in crankcase ................M 16x1,5 ......... 35 Nm (310 in.lb)
Banjo bolt .........................oil drain on crankcase...............M 16x1,5 ......... 35 Nm (310 in.lb)
Banjo bolt .........................oil/fuel line ................................M 10x1 ............ 17 Nm (150 in.lb)
Banjo bolt .........................oil line .......................................M 8x1 .............. 10 Nm (90 in.lb)
Socket ..............................oil pump inlet ............................M 18/14 ........... 22 Nm (195 in.lb)
Plug screw .......................excess pres. valve, oil pump .....M 12x1 ............ 25 Nm (220 in.lb)
Magnetic drain plug.......... crankcase .................................M 12x1,5 ......... 25 Nm (220 in.lb)
Hex. hd. screw .................oil tank ......................................M 12 ................ 25 Nm (220 in.lb)
Bent socket assy., ............oil line .......................................M 22x1,5 ......... 25 Nm (220 in.lb)
Oil filter nipple .................. oil pump ....................................M 18x1,5 ......... 60 Nm (530 in.lb)
Oil pressure sensor ..........oil pump ....................................1/8-27 NPTF ... 15 Nm (265 in.lb)
Valve housing .................. oil line, turbo charger ................M 12x1,5 ......... 25 Nm (220 in.lb)
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