Zenoah G2500 OPS owner manual Troubleshooting Guide, Disposal, Case 1. Starting failure

Page 17

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.

Cutter length

Filing angle

Side plate angle

Top plate cutting angle

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

G2500 / G2500 OPS

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.

Ruler

Gap

No gap

Chain tilts

WARNING:

This saw is equipped with one of the following low

kickback bar/chain combinations:

 

 

Zenoah Part Number

Bar Size Guide Bar

Saw Chain

Drum

102475-52110 2475-52210 2475-51110

102475-52120 3622-52210 2841-51110

G B

9. Troubleshooting Guide

Case 1. Starting failure

WARNING

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

Check fuel for water

a fuel.Replace with proper

or substandard mix-

ture.

 

Case 2. Lack of power/Poor acceleration/ Rough idling

Check fuel for water

 

 

a

fuel.Replace with proper

or substandard mix-

ture.

 

 

 

 

 

 

 

d

 

 

Check air filter and

 

 

a Clean.

fuel filter for clog-

d

Check for engine flooding.

d

Check spark ignition.

a

a

Remove and dry the spark plug.

Then pull the starter again with no choke.

Replace with a new plug.

ging.

 

 

 

 

 

 

 

d

 

 

Check carburetor

 

 

a

needles.Readjust speed

for inadequate ad-

justment.

 

 

 

 

 

Case 3. Oil does not come out

 

 

 

Check oil for sub-

a

Replace.

standard quality.

 

 

 

d

 

 

Check oil passage

 

 

a

Clean.

and ports for clog-

ging.

 

 

 

 

10. Disposal

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

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

GB-17

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Contents G2500 G2500 OPS E13*97/68SH2G3*2002/88*0085*03 Wear head, eye and ear protectionContents For safe operation Kickback Safety Precau Tions for Chain SAW US ERS General requirements working at height Using the chainsaw in the treePreparing to use the saw in the tree Securing the work position for two-handed useFreeing a trapped saw One-hand use of the chainsawStarting the saw in the tree Position Oil cap Explanation of Symbols on the MachinePosition Fuel cap Standard saw unit package contains the items as illustrated Installing Guide Bar and Saw ChainFuel and Chain Oil One-push-start Operating the EngineStarting the Engine Normal start For Smoother USE of ONE-PUSH-START Adjusting the CarburetorChecking the OIL Supply Chain Brake SawingReleasing the Brake Stopping the EngineFelling a Tree Periodical Service Points MaintenanceMaintenance After Each USE Saw Chain Maintenance of Saw Chain and Guide BarCase 2. Lack of power/Poor acceleration/ Rough idling Troubleshooting GuideDisposal Case 1. Starting failurePower unit Cutting head G2500 / G2500 OPS Sprocket bar SpecificationsHard nose bar G2500Limited warranty