ICS 680ES - TROUBLESHOOTING

680ES OPERATOR MANUAL
45
© 2015 ICS®, Blount International Inc. Specications are subject to
change without notice. REV071315 F/N 577451
Troubleshooting
TROUBLESHOOTING
PROBLEM Possible Cause
SAW WON'T REACH FULL RPM Dirty air filter.
SLOW CHAIN SPEED
Chain tension too tight. Chain should always be able to
be pulled around the guidebar by hand. It is normal for the
drive links of the chain to hang below the guidebar.
POOR CUTTING SPEED
All of the above, plus diamonds may be glazed over. Make
a few cuts in an abrasive material to expose the diamonds.
PREMATURE CHAIN STRETCH
Not enough water pressure. The minimum water pressure
required is 1.5 bar (20 psi). Insufficient water supply may
result in excessive wear to the chain, which can lead to
stretch and chain breakage.
CHAIN TENSIONER BREAKAGE
Side cover nuts are not tight enough. Torque to 27 Nm (20
ft-lbs).
Tensioning with side cover nuts already tight.
WATER NOT FLOWING
Water hose is kinked or water supply not turned on.
Water ports plugged with debris.
WON'T START
Aged or bad fuel.
Corroded or eroded spark plug.
Multi-function lever in "STOP" position.
DIFFICULT TO START
Flooded engine. Put Multi-function lever in the middle
position hold throttle on full with foot and pull starter cord
(hard, short, fast pulls) until engine starts.
Fouled spark plug. Remove spark plug, clean, and re-gap
to 0.5 mm (0.020 in).
CHAIN BREAKAGE
Improper chain tension.
Insufficient water pressure.
Inserting saw into slot narrower than diamond chain
segments.
Using chain that is already stretched beyond ability to
tension