Intake Elbow, Removal And Installation - Stihl TS 420 Manual

12.6 Intake elbow, removal
and installation
A damaged intake elbow may lead
to impaired engine performance.
– Troubleshooting, b 4.5 or
b 4.6.
– Remove the shroud, b 7.4.
– Remove the carburetor b 12.2.
– Disconnect the impulse hose
from the connector on the flange,
b 12.6.1.
1
– Remove the ignition lead and
wiring harness from the air guide
shroud.
: Take out the screws (arrows).
– Remove the air guide shroud (1).
: Take out the screws (arrows) and
open the hose clips completely.
TS 410, TS 420
1
: Pull the intake elbow (1) off the
intake fitting.
– Remove the hose clips.
1
3
: Pull the intake elbow (1+2) out of
the flange (3).
– Examine and replace the flange if
necessary.
– Examine and replace the intake
elbow (1+2) if necessary.
The slightest damage may lead
to impaired engine performance.
– Check and clean the intake fitting
(arrows) on the cylinder, b 14.
The intake fittings must not display
any signs of damage. Damaged
parts must be replaced.
2
– Align the elbow so that the tab (3)
engages in the mount (arrow) on
the flange (2) and the marking (4)
points towards the upper elbow.
: Press the lower elbow (1) into the
flange (2) until it encloses the
lower hole completely.
2
2
– Align the elbow so that the recess
is lined up with the hole (arrows)
on the flange (2).
: Press the upper elbow (1) into the
flange (2) until it encloses the
upper hole completely.
4
1
3
1
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