Stihl SR 450 Product Instruction Manual - Page 38

Maintenance and Care - replacement tank

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English Maintenance and Care The following intervals apply to normal operating conditions only. If your daily working time is longer or operating conditions are difficult (very dusty work area, etc.), shorten the specified intervals accordingly. before starting work after finishing work or daily after each refueling stop weekly monthly every 12 months if problem if damaged if required Complete machine Visual inspection (condition, leaks) Clean X X X Control handle Check operation X X Air filter Clean Replace Pickup body in fuel tank Check Replace Fuel tank Clean Carburetor Check idle adjustment Readjust idle X X Spark plug Readjust electrode gap Replace after every 100 operating hours Visual Inspection X Cooling inlets Clean Sparl arresting screen1) in muffler Check Have cleaned or replaced by servicing dealer2) All accessible screws and nuts (not adjusting screws) Retighten Solution container and hose - SR 430 Visual inspection (condition, leaks) Clean X X Solution container, metering unit and hose Visual inspection (condition, leaks) - SR 450 Clean X X Strainer in container Clean or replace Metering unit on blower tube Check 36 X X X X X X X X X X X X X X X X SR 430, SR 450

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SR 430, SR 450
English
36
Maintenance and Care
The following intervals apply to normal operating conditions only. If your daily work-
ing time is longer or operating conditions are difficult (very dusty work area, etc.),
shorten the specified intervals accordingly.
before starting work
after finishing work or daily
after each refueling stop
weekly
monthly
every 12 months
if problem
if damaged
if required
Complete machine
Visual inspection (condition, leaks)
X
X
Clean
X
Control handle
Check operation
X
X
Air filter
Clean
X
Replace
X
Pickup body in fuel tank
Check
X
Replace
X
X
Fuel tank
Clean
X
Carburetor
Check idle adjustment
X
X
Readjust idle
X
Spark plug
Readjust electrode gap
X
Replace after every 100 operating hours
Cooling inlets
Visual Inspection
X
Clean
X
Sparl arresting screen
1)
in muffler
Check
X
Have cleaned or replaced by servicing
dealer
2)
X
All accessible screws and nuts (not adjust-
ing screws)
Retighten
X
Solution container and hose – SR 430
Visual inspection (condition, leaks)
X
Clean
X
Solution container, metering unit and hose
– SR 450
Visual inspection (condition, leaks)
X
Clean
X
Strainer in container
Clean or replace
X
X
Metering unit on blower tube
Check
X
X