Zenoah G2500 Chainsaw User Manual


 
G2500
GB-16
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.
WARNING:
This saw is equipped with one of the following low
kickback bar/chain combinations:
Komatsu Zenoah Part Number
Saw Model Bar Size Guide Bar Saw Chain
10 2475-52110 2475-52210
10 2475-52120 3622-52210
9. Troubleshooting Guide
Case 1. Starting failure
Make sure the icing prevention system is not
working.
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.
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.
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
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-
Cutter length
Filing angle
Side plate angle
Top plate cutting angle
Ruler
Gap
No gap
Chain tilts
G2500