Nanni N4.40, Workshop Manual

Page: 90 / 175

ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S20
3. TIGHTENING TORQUES
Use a torque wrench to tighten the screws, bolts and nuts to the specified torque. Tighten the screws, bolts and
nuts used, such as on the cylinder head in the correct sequence and torque.
M00000003ENS0012US1
[1] TIGHTENING TORQUES OF SCREWS, BOLTS AND NUTS FOR
GENERAL USE
If the tightening torque is not specified, refer to the table below for the none specified torques values.
M00000003ENS0013US1
Indication on
top of bolt
No-grade or 4T 7T
Indication on
top of nut
No-grade or 4T
Unit N·m kgf·m lbf·ft N·m kgf·m lbf·ft
M6 7.9 to 9.3 0.80 to 0.95 5.8 to 6.8 9.81 to 11.2 1.00 to 1.15 7.24 to 8.31
M8 18 to 20 1.8 to 2.1 13 to 15 24 to 27 2.4 to 2.8 18 to 20
M10 40 to 45 4.0 to 4.6 29 to 33 49 to 55 5.0 to 5.7 37 to 41
M12 63 to 72 6.4 to 7.4 47 to 53 78 to 90 7.9 to 9.2 58 to 66
KiSC issued 06, 2009 A