25
Cylinder head
10
Remove the injectors, operation 19A-02 and the
glow plugs, operation 22C-01 to prevent any possi-
ble damage to the tips.
11
Remove the screw from the adjustment hole on the
top of the front end of the camshaft cover 12A.03/
A4. Turn the crankshaft until the adjustment hole in
the front of the camshaft front bearing journal corre-
sponds with the hole in the cover.
12
Install the adjusting drift on the flywheel.
13
Remove the cap of the timing cover, operation 15A-
01 and remove the camshaft pulley, operation 15A-
06.
14
Remove the mounting screw which is installed
through the camshaft cover into the timing cover
(A1).
Remove the screw securing the timing cover to the
cylinder head (A3).
15
Unscrew the screws for the cylinder head evenly in
reverse order compared to the illustration 12A.09/A.
Remove the screws and dismantle the cylinder
head (B), ensure that the camshaft does not come
into contact with the timing cover. Place the cylin-
der head on even surface that will not damage the
cylinder head surface.
16
Check the upper side of each screw head for punch
marks. If there are four punch marks on the screw
heads it means that the screws have been post
tightened four times and cannot be reused. Check
the screws for deformation using a straight edged
ruler held along the screw. If there is a visible de-
crease in shaft diameter or in the threaded section,
which has not been not been threaded into the cylin-
der head, the screw must be discarded.
17
Remove the cylinder head gasket.
18
Clean the underside of the cylinder head and the
surface of the cylinder block. Ensure that there is
no debris in the cylinder bores.
19
Ensure that the 1
st
and 4
th
pistons are at top dead
center and that the adjustment drifts are installed
through the back plate or through the flywheel cover
in the flywheel adjustment hole.
Summary of Contents for MD22
Page 1: ...Engine repair MD22 TMD22 TAMD22 Workshop Manual 2 0 A ...
Page 2: ......
Page 129: ...127 Notes ...
Page 130: ...128 Notes ...
Page 132: ...7738684 5 English 04 1999 ...