Release 00 - 03/2018
Engine RS100 - RSC100
page 51
Service manual
15.3. Dismantling and checking the camshaft and
counterweight governor
1 - Bring the piston to the TDC (Top Dead Centre).
2 - Open the crank case [
15.2].
3 - Remove the camshaft (9).
4 -
Measure seat (A) of the camshaft, checking
for wear and tear. The value must not be lower
than 11,95 mm.
5 - Measure the cams (IN and EX) on the camshaft,
checking for wear. The value must not be lower
than 24,10 mm (IN) and 24,13 mm (EX).
6 - Check the regular movement of the pressure
reducer (10) and the efciency of the spring (11);
the whole group must always be replaced in the
case of breakage or irregular operation of the
pressure reducer.
7 - Check that the irregolar centrifugal (12) that are
not present ruptures of the lubrication pallets.
8 - Turn the governor’s gears quickly and check that
the counterweights (13) expand correctly, causing
the pin (14) to be moved axially.
15. ENGINE BLOCK - Overhauling internal parts
(IN)
(EX)
9
10
11
A
14
13
12
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