Maintenance - Zenoah BCZ3000DW Owner's Manual

BCZ3000DL / BCZ3000DW

9. Maintenance

9. Maintenance
System/components
fuel leaks, fuel spillage
fuel tank, air filter, fuel filter
idle adjusting screw
spark plug
cylinder fins, intake air cooling vent
muffler, spark arrester, cylinder exhaust port
throttle lever, ignition switch
cutting parts
gear case
screws/nuts/bolts
debris guard
BLADE
• Check the blade and the fasteners for looseness,
cracking, or bending.
• Check the cutting edges and reform with a flat file.
(A) Saw blade
(B) 8-teeth blade
(C) 3-teeth blade
Point :
1. Keep the end corner sharp.
2. Round the root of the edge, using round file.
3. Do not use water when using a grinder.
• It is recommended that filing should be done by
professionals.
• Especially regarding filing the saw blade, Leave it to
the professionals.
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.
GB-14
Before
Procedure
use
wipe out
inspect/clean
see adjusting
idling speed
clean and readjust
plug gap
clean
clean
check operation
replace if
something's wrong
grease
tighten/replace
make sure to attach
Every Every Every
25 50 100
hours hours hours
after after after
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) Air filter
FUEL FILTER
• When the engine runs short of fuel supply, check the
fuel cap and the fuel filter for blockage.
(1) Fuel filter
SPARK PLUG
• Starting failure and misfiring are often caused by a
fouled spark plug. Clean the spark plug and check
that the plug gap is in the correct range. For a re-
placement plug, use the correct type specified by
KOMATSU ZENOAH.
0.6~0.7 mm
• REPLACEMENT PLUG IS A CHAMPION RZ7C.
Note
replace, if necessary
replace carburetor
if necessary
GAP: .025 in (0.6 ~ 0.7 mm)
replace, if necessary
not adjusting screws
(1)
(1)