Inspections And Maintenance By Dealer; Maintenance And Care - Stihl BR 450 Instruction Manual

16 Inspections and Maintenance by Dealer

16 Inspections and Mainte‐
nance by Dealer
16.1 Spark Arrestor in Muffler and
Spacer
WARNUNG
To reduce the risk of damage to persons or
objects from contact with hot parts, never oper‐
ate the machine without a spacer, or with the
spacer damaged.
► If the engine is down on power, have the spark
arrestor in the muffler checked

17 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
0458-391-8321-B
Visual inspection (condi‐
tion, leaks)
Clean
Function test
Clean
replace
check
Have repaired by a spe‐
1)
cialist dealer
Have checked by
1)
dealer
Have replaced by serv‐
1)
icing dealer
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 the spacer for damage
► Have a damaged spacer replaced immediately
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