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31
BR 500, BR 550, BR 600
English
1)
STIHL recommends that this work
be done by a STIHL servicing dealer
Maintenance Chart
The following maintenance intervals apply to normal operating conditions only.
If your daily working time is longer than normal or operating conditions are
difficult (very dusty work area etc.), shorten the specified intervals accordingly.
bef
ore
st
art
ing work
af
ter f
inishing
w
o
rk or
d
a
ily
af
te
r each
ref
uelin
g st
op
we
e
k
ly
m
o
nt
hly
e
v
er
y 12
m
o
n
ths
if pro
b
lem
if dama
ged
if req
u
ired
Complete machine
Visual inspection (conditon, leaks)
x
x
Clean
x
Control handle
Check operation
x
x
Air filter
Replace
x
x
Filter in fuel tank
Have checked by dealer
1)
x
Have filter replaced by dealer
1)
x
x
Fuel tank
Clean
x
Carburetor
Check idle setting
x
x
Readjust idle
x
Spark plug
Readjust electrode gap
x
Replace after 100 hours of operation
Cooling air intakes
Clean
x
Valve clearance
Check, adjust if necessary, after 139
hours of operation
x
Combustion chamber
Decoke after 139 hours of operation,
then every 150 hours
x
Spark arresting screen in muffler
Check
x
Clean or replace
x
All accessible screws and nuts (not
adjusting screws)
Tighten
x
Anti-vibration elements
(rubber buffers, springs)
Visual inspection
x
Have replaced by dealer
1)
x
x
Blower air intake screen
Check
x
x
Clean
x
Throttle cable
Adjust
x
Discharge wire (machines with non-
adjustable blowing attachment)
Check
x
Replace
x
x
Safety labels
Replace
x