MS 251, MS 251 C
English
52
Maintenance and Care
The following information applies under normal operating conditions. The specified intervals must be
shortened accordingly when working for longer than normal each day or under difficult conditions
(extensive dust, highly resinous lumber, lumber from tropical trees, etc.). If the machine is only used
occasionally, the intervals can be extended accordingly.
B
ef
ore
s
ta
rtin
g
wo
rk
At
the
e
nd
of
w
ork
and
/or
da
ily
Whe
never ta
nk is refille
d
Wee
kly
Mont
hly
Ye
arly
If fa
ul
ty
If
dama
ged
As
requ
ired
Complete machine
Visual inspection (condition, leaks)
X
X
Clean
X
Throttle trigger, throttle trigger lockout, choke
lever, choke control, stop switch, master control
lever (dependent on equipment)
Function tests
X
X
Chain brake
Function tests
X
X
Have checked by a specialist 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
X
X
Replace
X
X
X
Fuel tank
Clean
X
Lubricating oil tank
Clean
X
Chain lubrication
Check
X
Saw chain
Check, pay attention to sharpness
X
X
Check chain tension
X
X
Sharpen
X
Guide bar
Check (wear, damage)
X
Clean and turn over
X
Deburr
X
Replace
X
X
Chain sprocket
Check
X
Air filter
Clean
X
X
Replace
X
Summary of Contents for MS 251
Page 2: ...Instruction Manual 1 61 Manual de instrucciones 62 127 ...
Page 130: ...MS 251 MS 251 C español EE UU 128 ...
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