Zenoah G2500 ユーザーズマニュアル

G2500 / G2500 OPS

GB-17

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.

This saw is equipped with one of the following low
kickback bar/chain combinations:

Zenoah Part Number

Bar Size   Guide Bar

Saw Chain

Drum

10

2475-52110

2475-52210

2475-51110

10

2475-52120

3622-52210

2841-51110

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.

•

The bar rail should always be square. Check for wear
of the bar rail. Apply a ruler to the bar and the out

Ruler

Gap

No gap

Chain tilts

Make sure the icing prevention system is not work-
ing.

Check fuel for water
or substandard mix-
ture.

Replace with proper
fuel.

Check for engine
flooding.

Check spark ignition.

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

Replace with a new
plug.

Check fuel for water
or substandard mix-
ture.

Check air filter and
fuel filter for clog-
ging.

Check carburetor
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.

a

d

d

a

a

d

d

a

a

a

d

a

a

Cutter length

Filing angle

Side plate angle

Top plate cutting angle

When disposing your machine, fuel or oil for the machine, be
sure to allow your local regulations.