Carburetor Repair; Metering Diaphragm - Stihl MS 192 T Manual

14.3

Carburetor Repair

14.3.1 Metering Diaphragm

– Remove the carburetor, b 14.2
: Take out the screws (arrows).
: Remove the end cover (1).
If the gasket and diaphragm are
stuck to the carburetor, they must
be removed very carefully.
1 2
: Carefully separate the metering
diaphragm (1) and gasket (2).
MS 192 T
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.
1
– 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.
: Secure the gasket, metering
diaphragm and end cover with
two screws (arrows).
2
1
– Fit the remaining screws in the
secured end cover and tighten
down all screws, working
crosswise.
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