- 30 - Workshop Manual LDW CHD _ cod. 1.5302.345 - 6° ed_rev. 05
4
15
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12
Flywheel
Caution – Warning
During the demounting phases, pay particular attention to
prevent the ywheel from dropping as this could seriously
injure the operator. Wear protective goggles when removing the
ywheel ring.
Removetheboltswhichattachtheywheeltothecrankshaft;when
rettingtightento140Nmaftercheckingthatthelocatingpinisin
its seat. To remove the starter ring gear, it is recommended to cut
it into several portions with an iron hacksaw and then use a chisel.
To remove the starter rim, it is advisable to cut it into several parts
with a hacksaw and to then use a chisel. To replace, slowly heat for
15-20 minutes to a temperature of 300°C max. Fit the rim into the
ywheelhousing.makesurethatitrestsevenlyagainstthesupport
of the housing itself. Allow it to slowly cool.
Disassembly / Reassembly
Rocker arm cover for engines with recirculating vent
Components:
1 - Recirculating vent system
2-Oilrellingplug
3 - Rubber hose for the passage of the oil vapours
4 - Intake manifold
Intherockerarmcapwendmostoftherecirculatingventsystem1.
This device is used to separate the oil vapours and to convey them,
via a rubber hose 3, into the intake manifold 4.
The vapours are then recirculated inside the engine and not released
into the air as they can be polluting.
Acloggedupairlterandaconsequentincreaseinsuctionvacuum
could cause the oil to be sucked into the combustion chamber and
the engine over-revving.
This is in any case avoided as the diaphragm valve 7 by winning
the resistance of spring 6 - properly calibrated - closes duct 5 and
stops the oil from reaching manifold 4 via hose 3.
Rocker arm cover with vent into the air
Components:
1 - Decanting device
2-Oilllcap
3 - Gasket
Inside the decanting device 1 there is a small metal skein that
separates the oil from the bled vapours; before reassembling it,
clean it and verify its intactness.
Important
Every time the rocker arm cap is removed replace the gasket 3.
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