Maintenance And Care - Stihl SR 430 Instruction Manual

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24 Maintenance and Care

The following intervals apply for normal operating
conditions. The specified intervals must be short‐
ened accordingly when working for longer than nor‐
mal or under difficult cutting conditions (extensive
dust, etc.).
Complete machine
Control handle
Air filter
Manual fuel pump (if
present)
Fuel pickup body in fuel
tank
Fuel tank
Carburetor
Spark plug
Intake port for cooling air Visual inspection
Spark arresting screen in
muffler
Spacer, shim
All accessible screws,
nuts and bolts (not
adjusting screws)
Solution container and
hose – SR 430
Solution container, meter‐
ing unit and hose – SR
450
Strainer in solution con‐
tainer
Metering unit on blower
tube
28
Visual inspection (condi‐
tion, leaks)
Clean
Function test
Clean
replace
Check
Have repaired by a spe‐
1)
cialist dealer
check
replace
Clean
Check idle speed
Readjust idle speed
Adjust electrode gap
Replace after every 100
hours of operation
Clean
Check if installed
1)
Check or replace
check
Have replaced by serv‐
1)
icing dealer
Tighten
Visual inspection (condi‐
tion, leaks)
Clean
Visual inspection (condi‐
tion, leaks)
Clean
Clean or replace
check
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