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BCZ4500DL / BCZ4500DW / BCZ4500CL / BCZ5000DL / BCZ5000DW / BCZ5000CL
WARNING
•Make sure that the engine has stopped and is cool
before performing any service to the machine.
Contact with moving cutting head or hot muffler
may result in a personal injury.
AIR FILTER
•The air filter, if clogged, will reduce the engine per-
formance. Check and clean the paper element by air
blow as required. If the element becomes dirty, re-
place with a new one.
FUEL FILTER
•When the engine runs short of fuel supply, check the
fuel cap and the fuel filter for blockage.
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.
9. Maintenance9. Maintenance(1) Fuel filter
(1) Paper element
(1)
(1)
REFILLING TRIMMING LINE
1. For replacement line, use a diameter of 2.4mm(.095in).
The spool is capable for a line upto 6m(20ft) on the
10cm(4”) head. Avoid using a larger line as it may cut
down the trimming performance.
WARNING
•For safety reasons, do not use metalreinforced
line.
2. Pinch the slotted area on the both sides of the spool
housing to unhook the bottom cap.
3. Take out the spool and pull off the old line. Put one
end of new line through the spool holes and pull it
until the length is equal between each part of the line.
4. Wind up the line in the correct direction as indicated
on the spool.
5. Hook each end of the line in the slot on the edge of
the spool, and then put the ends through the eyelets
on the housing. Make sure that the spring and the
washers are in place.
6. While holding the spool against the housing, pull the
line ends to release them from the slot.
7. Line up the slot on the bottom cap with the hook on
the housing, press the cap against the housing until it
clicks.
BLADE
• Check the blade and the fasteners for looseness,
cracking, or bending.
• Check the cutting edges and reform with a flat file.
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.