Stihl SR 450 User Manual

21SR 430, SR 450
: Pull the wiring harness (1) out of
the guide (arrow).
– Remove the carburetor, b 9.5
– Remove the container,
SR 430 b 10.1,
SR 450 b 10.2
– Remove the metering unit,
SR 450, b 10.3
– Remove the blower wheel,
b 10.6
: Take out the screws (arrows).
: Push the complete engine (1) out
of the blower housing.
0002RA026 TG
1
0002RA027 TG0002RA028 TG
1
– Check the engine and, if
necessary, replace the cylinder,
piston, crankshaft or crankcase
– the muffler, ignition module and
spacer flange must be remove for
this purpose.
– Inspect the oil seals and replace
if necessary, b 4.3
– Check correct position of the oil
seals
– they must be properly located
in their seats.
Installing
Take care to avoid pinching the
short circuit and ground wires
between the engine and blower
housing.
: Push the straight crankshaft
stub (1) into the blower housing
bore (arrow).
0002RA029 TG
0002RA030 TG
1
– Push the engine against the
blower housing.
– Position the engine against the
blower housing and hold it there
– line up the holes in the engine
and blower housing.
: Insert the screws (arrows) and
tighten them down firmly.
– Install the blower wheel, b 10.6
– Fit the blower housing,
SR 430 b 10.7,
SR 450 b 10.8
0002RA031 TG

Stihl SR 450 Specifications

General

Product type	Backpack garden sprayer
Product color	Black, Orange, White
Tank capacity	14 L

Weight and Dimensions

Weight	12800 g