Formax FD 540 - Manual (Page 15)

TROUBLESHOOTING
Feeding, Bursting, and Stacking problems ar usually
due to improper adjustment of the machine to the forms
or due to non-standaTd or defective. forms. Refer to the
table below for typical problems.
Most problems fall into. one of three categories:
Electrical, Mechanical, or Form Flow. Electrical troubles
are usually obvious in that the machine will not run or
respond in the normal manner to its
controls. Mechanical problems are usually
accompanied by noise, slippage, tearing, or binds. If
aform flow problem is present, jamming, misstacking
or intermittent form damage will occur. The problems
should be diagnosed to one of the three categories
before proceeding to pinpoint the problem, The
best approach is a logical elimination of possible
malfunctions.
SYMPTOM PROBABLE CAUSE
Burster will not run. Line plug loose or pulled out’ Last Form Switch
Activated. (No Forms in Tractors). Switch off. Safety cover not
completely closed. Jam detector not activating Jam Detection
Switch.
Forms creep to one side. Infeed guides not set properly. Tension not uniform across the
roller. Edge of form not under roller.
Burster stalls tears forms. Tear point too high Burster not running fast enough. Feed
Roller carriage not positioned properly. Tough Form
perforations.
Improper Stacking Stacker wheels too close to outfeed of Burster. Stacker wheels
too far away from outfeed of Burster. Wheels not directly over
belts. Wheels not spinning freely. Edge of form not under roller.
Stacker Grill not properly adjusted.
Poor Slitting Slitter Blades improperly adjusted. Worn Blades.
Edge Slitters difficult to slide. Foreign material on Shafts (dirt, dust, grease). Burrs, marks
on Shafts. Material buildup in Slitter Hubs.
Stacker does not run but Burster does. Loose setscrew Broken belt.
Rollers do not rotate while motor is running. Broken Drive belt.
Loose Setscrews; on sprocket.
Broken chain.
Feed Roller Carriage will not advance. Loose Setscrew on Handwheel. Obstruction on rack. Pin
missing to drive gear.
Not Bursting properly Carriage not properly positioned. Incorrect roller tension.
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