75MS 192 T
– Remove the carburetor, b 14.2
: Take out the screws (arrows).
217RA228 TG
: Remove the end cover (1).
If the gasket and diaphragm are
stuck to the carburetor, they must
be removed very carefully.
217RA229 TG
1
: Carefully separate the metering
diaphragm (1) and gasket (2).
217RA230 TG
1 2
The diaphragm material is
subjected to continuous alternating
stresses and eventually shows
signs of fatigue. In other words, the
diaphragm distorts and swells and
must be replaced.
– Examine the metering diaphragm
for signs of damage and wear,
replace the gasket.
– Note the order in which the
metering diaphragm (2) and
gasket (1) are installed.
: Gasket and metering diaphragm
must be aligned so that the tab
(arrow) points towards the
adjusting nozzles.
217RA231 TG
: Secure the gasket, metering
diaphragm and end cover with
two screws (arrows).
217RA232 TG
– Fit the remaining screws in the
secured end cover and tighten
down all screws, working
crosswise.
217RA233 TG
14.3 Carburetor Repair
14.3.1 Metering Diaphragm