72
Repair Instructions
Setting the 1
st
piston at top
dead center of the compres-
sion stroke (17A-01)
Special tools: 885037
1
Disconnect the battery and remove the screw over
the adjustment hole at the top of the front end of the
camshaft cover.
2
Turn the crankshaft (in the normal direction of rota-
tion – clockwise as seen from the front) until the ad-
justing hole in the crankshaft front bearing journal
corresponds to the hole in the camshaft cover.
3
Install the adjustment drifts through the camshaft
cover in the camshaft (A1) and through the flywheel
cover in the flywheel (B1).
Valve timings, checking/
adjustment (17A-02)
Special tools: 885037
Position the piston in cylinder 1 at TDC in the com-
pression stroke, operation 17A-01 If both the adjust-
ment drifts can be installed, the valve timing is cor-
rect. If only one of the drifts can be installed, adjust
the valve timings as follows:
1
If necessary remove the drift from the flywheel, turn
the crankshaft to align the adjustment hole in the
crankshaft to the hole in the camshaft cover and in-
stall the adjustment drift for the camshaft.
2
Remove the cap of the timing cover, operation 15A-
01.
3
Slacken off the screws securing the camshaft pul-
ley to the hub, so that the pulley can move on the
hub.
4
Unscrew the dome screw for the tension pulley and
loosen the timing belt tension.
5
Turn the crankshaft to align the adjustment hole in
the flywheel to the hole in the flywheel cover or
back plate. Install the adjusting drift on the flywheel.
6
Adjust the timing belt tension, operation 12A-03.
7
Tighten the mounting screws for the camshaft pul-
ley to the correct torque, see Workshop manual
“Technical Data”.
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 ...