SECTION 4 - SCHEDULED MAINTENANCE
13
CURSOR SERIES
Print P4D32C006 E Base - 03/2015
UNSCHEDULED MAINTENANCE
- HOW TO PROCEED
Visual turbocharger inspection
Only proceed when the engine is not turning over.
Visually check that the turbine, impellers of the compresser
and the relative intake/outlet pipes are not obstructed or da-
maged. Otherwise replace as necessary.
Check for any soot between the intake manifold and the tur-
bocharger, replace the gasket if soot is found.
Check the conditions of the turbocharger gasket (e.g. breaka-
ges, deformation, ...), replace if necessary.
Make sure that the wastegate control tie-rod is well tighte-
ned, lubricated and not out of shape.
Clean the heat exchanger (radiator)
Figure 14
227785
Check that the air intake surfaces of the radiators are free of
impurities (dust, mud, straw etc.).
Clean them if necessary using compressed air or steam.
!
When using compressed air, it is required to use
suitable personal protections for hands, face and
eyes.
Check the tappet clearances and adjusting if
necessary
Figure 15
114287
Remove the tappet cover
Take the cylinder whose clearance has to be adjusted into the
combustion phase; the valves of this cylinder are closed as
they balance those of the symmetric cylinder.
NOTE The correspondence of the symmetrical cylin-
dersis1-6,2-5and3-4.
In order to properly operate, follow these instructions and
data specified on the table.
By means of a ratchet spanner, loosen the nut (1) locking the
adjustment screw.
Insert the feeler gauge blade (3) corresponding to the opera-
ting clearance indicated in the table “Data and assembly clea-
rance” in SECTION 7 - Technical specifications.
Use a suitable wrench to screw or unscrew rocker arm (2)
adjusting screw.
Check that the thickness gauge blade (3) can slide with a slight
friction.
Lock the nut (1) holding the adjustment screw still.
To carry out the adjustments stated above, the sequence
showninthetableismandatory.
Start and rotation in the
engine direction
Balancing
cylinder
valves no.
Adjust valve
clearance
for cylinder
no.
1 and 6 at T.D.C. 6 1
120 degree of angle [˚] 3 4
120 degree of angle [˚] 5 2
120 degree of angle [˚] 1 6
120 degree of angle [˚] 4 3
120 degree of angle [˚] 2 5
Complete the operation by mounting the tappet cover and
its gasket.
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