60
Timing cover and drive
7
Check the pulley for wear, cracks and other dam-
age. Replace it if required.
8
Check that the key is correctly installed in the fuel
injection pump shaft.
9
Install the pulley in position on the shaft with the
correct keygroove in contact with the key. There
are two keygrooves and two marked teeth, “A” and
“B”, on the pulley. On engines types MD22 and
MD22L use the keygroove lying on the same side
as the tooth marked “A”. On engines types TMD22
and TAMD22 use the keygroove lying on the same
side as the tooth marked “B”. Ensure that the mark-
ing on the pulley is turned to the front end of the en-
gine.
10
Install the spring washer and the pulley nut, hold the
pulley so that it does not move and tighten the nut
to press the pulley into position.
11
Check that the tooth with the correct marking (see
paragraph 2) is closest to the arrow on the timing
cover (B3). Install the two screws (M6 x 50) through
the smooth holes in the pulley and in the pump
bracket.
12
Install the timing belt, operation 15A-04. Remove
the fixing pin for the pulley and adjust the belt ten-
sion, operation 15A-03.
13
Tighten the pump pulley to 60 Nm and remove the
locking tool.
14
Remove the adjustment drifts from the camshaft
and the flywheel.
15
Check the fuel injection pump adjustment, opera-
tions 17A-03.
16
Turn the crankshaft two revolutions to ensure that
there is nothing preventing free movement
17
Install the cap of the timing cover, operation 15A-01
and install the inspection hatch.
18
Install the mounting screw in the adjustment hole in
the camshaft cover.
19
Connect the battery.
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