43TS 400
English / USA
1)  STIHL recommends the STIHL dealer
* see “Guide to Using this Manual”
Maintenance chart
The following information refers to normal operating conditions.  
The specified intervals must be reduced accordingly when working 
under aggravated conditions (severe dust formation, etc.) and with 
longer daily working hours.
Before 
starting work
After work 
or daily
Every time 
after refuelling
Weekly
Monthly
Year ly
In the event 
of a malfunction
If damaged
As required
Complete machine
Visual inspection (condition, absence of leaks)
XX
Clean
X
Parts Functional test
XX
Pick-up body  in fuel tank
Check
X
Replace
XXX
Fuel tank Clean
X
V-belt
Clean / retension
XX
Replace
XX
Air filter (prefilter, auxiliary filter) Clean
XX
Air filter (all filter components) Replace
XX
Cooling air intake ports Clean
X
Cylinder fins Clean
X
Spark arresting screen* in the 
muffler
Check
X
Clean or replace
X
Carburetor
Check idle speed – 
abrasive wheel must not run on
XX
Adjust idle speed
X
Spark plug
Adjust electrode gap
X
Replace after about 100 operating hours
Accessible nuts and bolts 
(but not adjusting screws)
Retighten
X
Rubber buffer (AV element)
Check
XXX
Have replaced by servicing dealer 
1)
X
Cutting wheel
Check
XX
Replace
XX
Support / bracket / rubber buffer 
(bottom side of unit)
Check
X
Replace
XX
Safety labels Replace
X