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MAINTENANCE
Figure 10
Adjusting valve clearance
Mark on
gear case
TDC mark on
crankshaft pulley
Figure 11
Timing mark
22 / 155
5.3
Adjusting the valve clearance
CAUTION
Be sure to retighten the cylinder head bolts before
adjusting the valve clearance.
Procedure
1.
Set the cylinder to be adjusted to the top dead
center of compression stroke.
Tightening
torque
M10 bolt
M8 bolt
Table 10
Tightening torque
2.
The top dead center of compression stroke can be
obtained by aligning the TDC (Top Dead Center)
mark (notch) on the crankshaft pulley with the
mark on the gear case.
3.
First align the TDC mark for the No. 1 cylinder.
Confirm that the valves do not move up and down
when the crankshaft is turned about 20° in normal
direction of rotation and in reverse direction.
4.
When setting the top dead center for the No. 2
cylinder and that for the No. 3 cylinder, perform as
follows:
a
L2 (Two-cylinder engine)
Turn the crankshaft 180° clockwise from TDC
(Top Dead Center) of the No. 1 cylinder, to set
the No. 2 cylinder TDC.
b
L3 (Three-cylinder engine)
Turn the crankshaft 240° clockwise from TDC
of the No. 2 cylinder, to set the No. 3 cylinder
TDC. Further, turn the crankshaft 240°
clockwise from No. 3 cylinder TDC and
reconfirm the position of the No. 2 cylinder
TDC.
ENGLISH
Unit: N·m (kgf·m) [lbf·ft]
73.5 to 83.4 (7.5 to 8.5)
[54.25 to 61.48]
19.6 to 29.4 (2.0 to 3.0)
[14.47 to 21.70]
Service Manual Mitsubishi L-Series diesel engines
GENERAL
Version 08/2004
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