Mitsubishi S4Q, Руководство пользователя

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35 / 174 Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
CYLINDER HEADS AND VALVE
MECHANISM
ENGLISH
ENGINE MAIN PARTS
6. Assembling rocker arms and rocker shaft
When installing the rocker arms to the rocker shaft,
position the arms with their assembly marks point-
ing forward. After installing the arms, make sure
they move smoothly.
7. Installing valve pushrod
1) Insert the pushrod into position through the
pushrod hole in the cylinder head.
2) Make sure the ball end of each pushrod rests
securely on the curved surface (R section) of
the tappet.
8. Installation of rocker shaft assembly
1) Install valve caps.
2) When installing rocker shaft brackets, tighten
the long bolts first, then tighten the short bolts
(reversal of removal sequence).
Figure 43 Assembling rocker arms and rocker shaft
Assembly mark
Figure 44 Installing rocker shaft assembly
Tightening
torque
Long bolts
15 ± 2 N·m
(1.5 ± 0.2 kgf·m)
[11 ± 1 lbf·ft]
Short bolts
12 ± 1 N·m
(1.2 ± 0.1 kgf·m)
[9 ± 1 lbf·ft]