Troubleshooting - ICS 680GC Operator's Manual

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TROUBLESHOOTING

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TROUBLESHOOTING

• CUT-OFF SAW WON'T REACH FULL RPM – Air filter or pre filter may be dirty.

• SLOW DIAMOND CHAIN SPEED – Diamond chain tension too tight. Diamond chain should

always be able to be pulled around the guide bar by hand. It is normal for the diamond chain

drive links to hang below the guide bar.

• POOR CUTTING SPEED – Diamonds may be "glazed over". Make a few cuts in an abrasive

material such as a cinder block to expose the diamonds.

• CHAIN TENSIONER BREAKAGE – Side cover nuts are not tight enough.

Torque to 20 ft-lbs (27Nm).

• WATER NOT FLOWING – Water hose is kinked or supply is not turned on.

• WON'T START – Turn ignition switch on or possible defective spark plug.

• WON'T START – Low compression, less than 120 psi (8 bar). Possible incorrect fuel mixture.

• DIFFICULT TO START – Possible flooded engine. Turn ignition switch on, push choke in, hold

throttle on full with foot and pull starter cord until engine starts.

• DIFFICULT TO START – Possible fouled spark plug. Remove spark plug, clean with wire brush

and re-gap.

• DIAMOND CHAIN BREAKAGE – Diamond chain installed backwards. Bumpers should lead

segments into the cut.

• DIAMOND CHAIN BREAKAGE – Not enough feed pressure while cutting. Avoid letting the

cut-off saw bounce and chatter.

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Reference: new = 150 to 180 psi (10 to 12 bar)

used = 140 to 160 psi (9 to 11 bar)

Further questions?

Call 1-800-321-1240 or

680GC OPERATOR'S MANUAL

F/N 525746 Jan 09

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