Formax FD 676 Manuel de l'opérateur - Page 16

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SYMPTOM
Stacker does not run but Burster does.
Rollers don't rotate/machine runs.
Won't burst properly.
Forms pull out of tractors.
Uneven inking.
Signature position moves.
Large variations in trim accuracy.
Snap roller carriage will NOT move.
Loop forming between the slitter and
the infeed roller.
PROBABLE CAUSE
Broken belt
Loose stacker drive gear/tbroken drive pin.
Faulty stacker motor.
Faulty stacker motor speed control
Faulty stacker switch.
Broken drive belt, Loose pulley.
Incorrect roller tension.
Carriage not properly positioned.
Tear point not set correctly.
Tear bar not set correctly.
Roller timing off.
Incorrect form length setting.
Incorrect feed roller tension.
Tractor drive pulley bound up.
Tractors binding internally.
Tractor pins not centered in margin holes.
Dull slitter blades.
Tractor timing is off.
Ink roller not adjusted properly.
Ink roller needs replacing.
Signature patch not installed properly.
Patch worn out.
Ink roll not spinning freely.
Incorrect check length for print cylinder.
Form not in tractors.
Print cylinder loose.
Print cylinder timing incorrect.
Signature patch not positioned correctly.
Paper not centered to slitter feed.
Margin slitter setscrew not tightened down.
Defective switch or motor.
Broken carriage drive chain.
Loose setscrew on carriage advance shaft or on motor.
Obstruction on rack.
Obstruction at the pivot arm.
Obstruction between the infeed and snap rollers.
Broken flow strap.
Bent infeed finger.
Tear bar in low position.
Too many tear points.
Need Anti-tenting bracket.
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