MS 651
English
40
Maintenance and Care
The following maintenance intervals apply to normal usage and operating conditions. If your daily
working time is longer or operating conditions are difficult (very dusty work area, resin-rich wood, trop-
ical wood, etc.), shorten the specified intervals accordingly. If you only use your power tool
occasionally, extend the intervals accordingly.
before starting work
after finishing work or daily
after each refueling stop
weekly
monthly
every 12 months
if problem
if damaged
as required
Complete machine
Visual inspection (condition, leaks)
XX
Clean
X
Throttle trigger, trigger lockout, choke lever, stop
switch, Master Control lever (depending on
version)
Check operation
XX
Chain brake
Check operation
XX
Have checked by servicing dealer
1)
X
Manual fuel pump (if fitted)
Check
X
Have repaired by servicing dealer
1)
X
Pickup body/filter in fuel tank
Check
X
Clean, replace filter element
XX
Replace
XXX
Fuel tank Clean
X
Chain oil tank Clean
X
Chain lubrication Check
X
Chain
Inspect, also check sharpness
XX
Check 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