Makita DCS 520i Service Manual download pdf (Page 24)

Working in winter

In order

prevent carburetor icing in conditions of low temper-

ature combined with high humidity. and in order to get up

operating temperature faster in subfreezing temperatures.

heated air can be taken from the cylinder.

At temperatures above freezing the carburetor must NOT be

fed

heated air.

Failure to follow these instructions can lead to damage

to the cylinder and piston!

Remove the filter cover and air filter

(see

'Cleaning the air

finer').

To enable hot-air induction from the cylinder, remove the

plug

(Nf)

using the universal wrench.

NOTE

Keep the plug in thesaw's

tool

kit. You must put the plug back

in at temperatures above

32"

Reinstall the air filter and filter cover.

MAINTENANCE

Sharpening the saw chain

CAUTION:

Before doing any work-on the guide bar or chain, ahya

switch

off

the engine and pull the plug cap

off

the spark

plug

(see

'Replacing the spark plug"). Always wear pro-

tective gloves!

The chain needs sharpening when:

The sawdust produced when sawing damp wood

looks

wood flour.

The chain penetrates the wood only under great pressure.

The cutting edge is visibly damaged.

The saw is pulled to the left or right when sawing. This is

caused by uneven sharpening of the chain.

Important: Sharpen frequently, but without removing

too

much metal!

Generally,

strokes of the file

will

be enough.

Have the chain resharpened at a service center when you

have already sharpened it yourself several times.

I-

The snow filter

(Wl,

see "Accessories") prevents the

induction

powder snow.

is placed under the prefilter

(en).

NOTE:

Remove the snow filter before working at temperatures

above

(32'

F)I

When not in use, store the snow filter in the assembly

tool

pouch.

.030"

(chain:

094,102

W8")

Proper sharpening:

CAUTION:

Use only chains and guide bars designed for this saw

(see the Extract from the spareparts list)!

All cutters must be

the same length (dimension a).

Cutters with different lengths result in rough running

the

chain and can cause cracks in the chain.

Minimum cutter length:

0.1

mm).

not resharpen the

chain when the minimum cutter length has been reached;

at this point, the chain must be replaced (see the Extract

from the spareparts list and 'Replacing the saw chain').

The depth

the cut is determined by the ditterence in

height between the depth limiter (round nose) and the

cutting edge.

The best results are obtained with a depth-limiter depth of

.025'

(chain:

085

325")

.OW

(chain:

094.

102

318').

CAUTION:

Excessive depth Increases

the risk of kickback!

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Makita DCS 520i Service Manual Page 24

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