Hitachi CS45EМ - Инструкция по эксплуатации - Страница 16

G

B

GB-15

WARNING

• This saw is equipped with one of the following low

kickback bar/chain combinations:

HITACHI Part Number

Bar Size

Guide Bar

Saw Chain

16

107-72811-200 138-32625-20(21BP-66E)

18

105-72830-201 136-32578-20(21BP-72E)

•

The bar rail should always be square. Check for wear
of the bar rail. Apply a ruler to the bar and the out-
side of a cutter. If a gap is observed between them,
the rail is normal. Otherwise, the bar rail is worn.
Such a bar needs to be corrected or replaced.

10. Troubleshooting Guide

Case 1.  Starting failure

WARNING

• Make sure the icing prevention system is not working.

Check fuel for water
or substandard mix-
ture.

Replace with proper
fuel.

C h e c k   f o r   e n g i n e
flooding.

Check spark ignition.

Remove and dry the
spark plug.
Then pull the starter
again with no choke.

Replace with a new
plug.

Case 2. Lack of power/Poor acceleration/

Rough idling

Case 3.  Oil does not come out

Check fuel for water
or substandard mix-
ture.

Check air filter and
fuel filter for clog-
ging.

C h e c k   c a r b u re t o r
for inadequate ad-
justment.

If the unit seems to need further service, please consult
with an authorized service shop in your area.

Replace with proper
fuel.

Clean.

Readjust speed
needles.

Check oil for sub-
standard quality.

Check oil passage
and ports for clog-
ging.

Replace.

Clean.

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d

d

a

a

d

d

a

a

a

d

a

a

WARNING

• Be sure to round off the front edge to reduce the

chance of kickback or tie-strap breakage.

Make sure every cutter has the same length and edge
angles as illustrated.

■ 

Guide Bar

•

Reverse the bar occasionally to prevent partial wear.

Cutter length

Filing angle

Side plate angle

Top plate cutting angle

Ruler

Gap

No gap

Chain tilts