Lubricate the tappets and fit them in their seats.
Lubricate the camshaft bushings and fit the shaft, taking care
not to damage the supporting bushings. Fit the nozzles, check-
ing that the centring pins are correctly positioned in the cylin -
der assembly.
Having to change the bushings, use one drift for removal and
assembly. The camshaft assembly clearance must be from
0.070 to 0.150 mm.
OUTPUT SHAFT
Measuring journals and crankpins
- Measure the pins of the bench and of the connecting rod
with the micrometric calliper and establish if the engine
shaft and/or the connecting rod and bench bearings need
to be replaced.
It is recommended to insert the found values in the
proper table.
During assembly, the bushings must be facing so that
the lubrication holes match those in the seats.
On completing assembly, bore the bushings to the diameter
showninFigure18.
Changing the tappets
- The surface of the tappets in contact with the cams of the
camshaft must be perfectly smooth with no dents.
Slight dents can be removed with an extremely fine
abrasive stone.
Changing the tappets, due to excessive clearance in the
seats, involves fitting oversized tappets after boring the
seatswithanappropriatereamer.
Fitting tappets and camshaft
We recommend to lubricate the tappets carefully by
keeping them immersed for 30’.
82233
Changing the bushings
Figure 19
Figure 20
NOTE
NOTE
NOTE
89801
16
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
VECTOR 8 ENGINES
Base - April 2006 Print P2D32V001E
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