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© 2008 ICS, Blount International Inc. Specications are subject to change without notice. REV0708 F/N 71904
853PRO OPERATOR’S MANUAL
14
TROUBLESHOOTING
TROUBLESHOOTING
• SLOW DIAMOND CHAIN SPEED – Be sure the powerpack is providing the correct hydraulic
pressure and flow depending on your saw model (8 gpm / 30 lpm or 12 gpm / 45 lpm at
2,500 psi / 172.5 bar).
• POOR CUTTING SPEED – The diamonds may be glazed over. Make a few cuts in an abrasive
material such as a cinder block to expose the diamonds.
• PREMATURE CHAIN STRETCH – Not enough water pressure. The minimum water pressure
is 20 psi (1.5 bar). Insufficient water supply will result in excessive wear on the chain, which can
lead to loss of strength and chain breakage.
• CHAIN TENSIONER BREAKAGE – Side cover nuts are not tight enough.
Torque to 20 ft-lbs (27 Nm).
• WATER NOT FLOWING – Water hose is kinked or supply is not turned on.
• MOTOR WON'T TURN – Hydraulics are hooked up backwards or powerpack is set on reverse
flow.
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