Engines Iveco C87 / Cursor 87. Manual - part 32
70000
114215
MAIN DATA TO CONTROL EXHAUST AND
DISCHARGE VALVE SPRING
Lubricate the valve stem and insert the valves in the
respective valve guides; fit the lower caps (1). Use tool
99360329 to fit the oil seal (2) on the valve guides (3) of the
exhaust valves; then, to fit the valves, proceed as follows.
- fit springs (6) and the upper plate (5);
- apply tool 99360264 (2) and block it with bracket (4);
tighten the lever (1) until cotters are installed (3),
remove tool (2).
540665
VALVE SPRINGS
Fitting the valves and oil seal ring
114280
Use tool 99360505 (3) fitted as shown in fig. to remove
bushings (2).
Accurately position beater during removal phase.
Before fitting, check valve spring flexibility using specific tool.
Compare the load and elastic deformation data with those
of the new springs given in the following figure.
Figure 86
Figure 87
Figure 88
Figure 89
87051
Should valves not have been overhauled or
replaced, remount them according to numbering
performed on dismounting.
Intake valves are different form exhaust valves in
that they have a notch placed at valve head centre.
NOTE
Use beater 99360505 to change bushings
Removal
Valve closed
Valve open
Fitting
For fitting, reverse operations performed for
removal, with care to make lube hole (1), drilled on
bushing, coincide with corresponding hole in housing.
Figure 90
86290
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
43
F2C CURSOR ENGINES