RedMax BC250 Specifications download pdf (Page 38)

9. Maintenance

English

■ SPARK ARRESTER

• The muffler is equipped with a spark arrester to

prevent red hot carbon from flying out of the exhaust

outlet. Periodically inspect and clean as necessary

with a wire brush. In the State of California it is

required by law (Section 4442 of the California

Public Resources Code) to equip a spark arrester

when a gas powered tool is used in any forest

covered, brush covered, or grass covered

unimproved land. (MA6)

(1) Spark arrester

■ GEAR CASE (MA7)

• The reduction gears are lubricated by multipurpose,

lithium-based grease in the gear case. Supply new

grease every 25 hours of use or more often

depending on the job condition.

• Remove the side bolt in gearcase opposite of grease

nipple before installing new grease to arrange for old

grease to exit.

■ INTAKE AIR COOLING VENT

• Never touch the cylinder, muffler, or spark plugs

with your bare hands immediately after stopping

the engine. The engine can become very hot

when in operation, and doing so could result in

severe burns.

• When checking the brushcutter to make sure

that it is okay before using it, check the area

around the muffler and remove any wood chips

or leaves which have attached themselves to the

brushcutter. Note that failing to do so could

cause the muffler to become overheated, and

that this in turn could cause the brushcutter to

catch on fire. Always make sure that the muffler

is clean and free of wood chips, leaves, and

other waste before use.

• Check the intake air cooling vent and the area

around the cylinder cooling fins after every 25 hours

of use for blockage, and remove any waste which

has attached itself to the brushcutter. Note that it is

necessary to remove the plug guard shown in Figure

20 in order to be able to view the upper part of the

cylinder.

WARNING

MA7

(1)

MA6

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RedMax BC250 Specifications Page 38

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