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VS4930 Issue No:1 - 23/07/08
4.1.3 Vs4931 VCt setting Plate
Fit VS4931 VCT Setting Plate onto the VCT Units. The word
“toP”
should be visible on top of the Setting Plate. The “Scribe Mark I “ should
be on the Left-Hand arm of the Setting Plate, with the “Zero (Dot) Mark 0”
on the Right-Hand arm of the Plate,
matching the timing marks on the
camshaft sprockets. (fig.4).
Fig.4
Fig.5
4.1.4 Vs4640/t7 tensioner locking Pin
Apply pressure to the timing belt to activate the tensioner pulley and
allow the insertion of Locking Pin VS4640/T7. (Fig. 5).
Remove the old timing belt and discard.
4.2 installing new belt
Check that the VCT Setting Plate, Crankshaft Location Pin and Flywheel
Locking Tool are correctly fitted.
Install the new timing belt in a
clockwise
direction, starting at the VCT
Units/camshaft sprocket, then the crankshaft gear. Ensure the belt is taut
between sprockets.
4.2.1
Once the belt is fully fitted, remove the VS4640/T7 Tensioner
Locking Pin to release tension on to the belt.
4.2.2
Measure the depth of the bore in the crankshaft to determine the
correct new crankshaft pulley centre bolt to use.
If bore depth is 42mm. – use M12 x 29mm bolt
If bore depth is 52mm. – use M12 x 44.5mm bolt.
Install the lower belt cover.
Fig.6
4.2.3
Install the crankshaft pulley, counter-hold pulley with a suitable
Holding Tool whilst tightening the centre bolt, in two stages, 45Nm. + 90
degrees. (Fig.6).
note:
Crankshaft gear does not have a keyway
4.2.4
Remove the VCT Setting Plate, Crankshaft Location Pin and
Flywheel Locking Tool.
4.2.5
Turn the crankshaft carefully, by hand, 2 turns in the direction of
normal rotation and return to the position where the marks on the VCT
Units are at 11- o‘clock.
4.2.6
Insert VS3032/21 Crankshaft Location Pin and carefully turn the
crankshaft to
rest fully
on the Location Pin.
4.2.7
Fit VS4931 VCT Setting Plate on to the VCT Units and check that
the timing marks on the
VCt Units
and
camshaft sprockets
align and
are near to the outer edges of the Setting Plate upper arms. (Fig.7).
If the timing marks do not align, repeat the belt installation and tensioning
procedures.
Fig.7a
Fig.7b
