
GB-25
G
B
EXZ2610DL
WARNING
•
Make sure that the engine has stopped and is cool
before performing any service to the machine. Con-
tact with moving cutting head or hot muffler may
result in a personal injury.
AIR FILTER
• The air filter, if clogged, will reduce the engine perfor-
mance. Check and clean the filter element in warm,
soapy water as required. Dry completely before in-
stalling. If the element is broken or shrunk, replace
with a new one.
(1)
(1) Air filter
9. Maintenance
FUEL FILTER
• When the engine runs short of fuel supply, check the
fuel cap and the fuel filter for blockage.
(1)
(1) Fuel filter
Every Every Every
25
50
100
System/components
Procedure
Before
hours hours hours Note
use
after
after
after
fuel leaks, fuel spillage
wipe out
✔
fuel tank, air filter, fuel filter
inspect/clean
✔
✔
replace, if necessary
see adjusting
replace carburetor
idle speed adjuster
idling speed (p. 22)
✔
if necessary
clean and readjust
GAP: .025 in (0.6 ~ 0.7 mm)
spark plug
plug gap
✔
replace, if necessary
intake air cooling vent
clean
✔
throttle trigger, stop switch
check operation
✔
replace if
BC-EX, LRT-EX
cutting attachment
something’s wrong
✔
transmission
grease
✔
screws/nuts/bolts
tighten/replace
✔
✔
not adjusting screws
cutting attachment guard
make sure to attach
✔
BC-EX only
oiling port
clean
✔
PS-EX only
guide bar
clean
✔
PS-EX only
sprocket
inspect/replace
✔
PS-EX only
saw chain
inspect/sharp
✔
PS-EX only
ENGINE
SHAFT
CUTTING UNIT