RedMax CHT2250 Manuel de l'opérateur télécharger pdf (Page 13)

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CHT2250

U

S

■ SPARK ARRESTER (MA4)

• 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.

(1) Spark arrester

■ 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.

• Clean the cylinder fins with

compressed air or a brush. (MA5)

(1) Cylinder

(2) Intake air cooling vent (back)

• If waste gets stuck and causes

blockage around the intake air cooling

vent or between the cylinder fins, it may

cause the engine to overheat, and that

in turn may cause mechanical failure

on the part of the hedge-trimmer.

■ BLADES

Oil blades each gas tank filling. (MA6)

• Make sure that the blade bolts are

well tightened.

• The blade assembly is designed to

automatically compensate for any

play between the blades.

■ Sharpening (MA7)

Always keep the file or sharpener at an

angle of 45° to the blade, and:

• Always grind in the direction of the

cutting edge;

• Note: files cut only in one direction; lift

WARNING

IMPORTANT

WARNING

MA4

MA5

MA6

MA7

MA8

MA9

8. Maintenance

the file from the blade when returning

to start a new pass;

•Remove all burr from the edge of the

blade with a slip stone;

• Remove as little material as possible;

• Before refitting the sharpened blades,

remove filings and then apply grease.

Do not try to sharpen a damaged blade:

change it or take it to a Service dealer.

■ REDUCTION GEARBOX

Refill gear housing every 25 working

hours.

Use greese pump. Feed greese until it

comes out of the base of blades. (MA8)

■ PROCEDURES TO BE PERFORMED

AFTER EVERY 100 HOURS OF USE

1. Remove the muffler, insert a

screwdriver into the vent, and wipe

away any carbon buildup. Wipe away

any carbon buildup on the muffler

exhaust vent and cylinder exhaust port

at the same time.

2. Tighten all screws, bolts, and fittings.

3. Check to see if any oil or grease has

worked its way in between the clutch

lining and drum, and if it has wipe it

away using oil-free, lead-free gasoline.

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