Instruction Manual

MS 231, MS 231 C, MS 251, MS 251 C
English
43
Maintenance and Care
The following maintenance intervals apply for normal operating conditions only. When working under
difficult conditions (high accumulation of dust, highly resinous lumber, lumber from tropical trees, etc.)
or longer than normal each day, the specified intervals must be shortened accordingly. If you only use
the tool occasionally, extend the intervals accordingly.
Before starting work At the end of work and/or daily Whenever tank is refilled Weekly Monthly Annually If faulty If damaged As required
Complete machine
Visual inspection (condition, leaks) XX
Clean X
Throttle trigger, throttle trigger lockout, choke
lever, stop switch, master control lever (dependent
on equipment)
Function test XX
Chain brake
Function test XX
Have checked by dealer
1)
X
Manual fuel pump (if present)
check X
Have repaired by a specialist dealer
1)
X
Fuel pick-up body / filter in fuel tank
check X
Clean, replace filter insert XX
replace XXX
Fuel tank Clean X
Lubricating oil tank Clean X
Chain lubrication check X
Saw chain
Check, pay attention to sharpness XX
Checking the chain tension XX
sharpen X
Guide bar
Check (wear, damage) X
Clean and turn over X
Deburr X
replace XX
Chain sprocket check X
Air filter
Clean XX
replace X