Stihl FC 90 User Manual

FC 90
English
29
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) XX
Clean X
Control handle Check operation XX
Air filter
Clean XX
Replace X
Pickup body in fuel tank
Have checked by dealer
1)
X
Have replaced by dealer
1)
XX
Fuel tank Clean XX
Carburetor
Check idle adjustment – the blade must
not turn
XX
Readjust idle X
Spark plug
Readjust electrode gap X
Replace after every 100 operating hours
Cooling inlets
Visual inspection X
Clean X
Valve clearance
Check and, if necessary, have adjusted
by dealer after first 139 hours of
operation
1)
X
Combustion chamber
Decoke after first 139 hours of opera-
tion, then every 150 hours of operation
X
Spark arresting screen in muffler
Check XX
Clean or replace XX
All accessible screws and nuts (not adjust-
ing screws)
Retighten X
Anti-vibration elements (rubber buffers,
springs)
Check XXX
Have replaced by dealer
1)
X

Stihl FC 90 Specifications

General

Brand	Stihl
Model	FC 90
Category	Engine
Language	English