11-36
140-3 SERIES
STRUCTURE AND FUNCTION, MAINTENANCE STANDARD FLYWHEEL, FLYWHEEL HOUSING
★ When tightening the flywheel mounting bolts,
tighten the first time with an impact wrench, then
use a torque wrench for the second time.
★ The flywheel mounting bolt can be re-used up to a maximum of 5 times. Each time the bolt is re-used, make
a punch mark on the bolt head.
Unit: mm
No. Check item Criteria Remedy
1 Face runout of flywheel housing Repair limit: 0.20
Repair
2 Radial runout of flywheel housing Repair limit: 0.20
3 Face runout of flywheel Repair limit: 0.20
4 Radial runout of flywheel Repair limit: 0.13
5
Tightening torque of flywheel housing
mounting bolts
(Coat thread and seat with engine oil)
Order
Target
(Nm{kgm})
Range
(Nm{kgm})
Tighten
the bolt
as shown
in the
diagram
order
1st step
191
{19.5}
147 – 235
{15 – 24}
2nd step
275
{28.0}
245 – 309
{25 – 31.5}
6
Tightening torque of flywheel
mounting bolts
(Coat thread and seat with engine oil)
Order
Target
(Nm{kgm})
Range
(Nm{kgm})
Tighten or
retighten
the bolt
as shown
in the
diagram
order
1st step
118
{12}
113 – 123
{11.5 – 12.5}
2nd step
Retighten
with 90º
90
Order for tightening flywheel
mounting bolts
Order for tightening flywheel
housing mounting bolts
+30º
0
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