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Problem
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What
to look for...
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What
should you do...
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Nail
heading
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- Glue
pot too high.
- Nipper
too high.
- Nipper
plates not adjusted properly.
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- Lower
glue pot.
- Readjust
nipper.
- Reset
nipper plates.
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Cover
loose from book
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- Nipper
not coming up high enough.
- Insufficient
glue.
- Glue
in pot too cold.
- Nipper
plates not set properly.
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- Readjust
nipper.
- Increase
amount of glue on glue rolls.
- Reset
gluepot temperature control.
- Reset
nipper plates.
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Cover
does not register with book
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- Cover
stops set wrong.
- Clamp
stops in wrong position.
- Cover
moved before being applied to book.
- Operator
not feeding book against the clamp stops.
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- Readjust
cover stops for cover.
- Reset
clamp stops to center book in clamp.
- Cover
may not lay flat. Roll cover to lay flat.
- Pay
more attention to keep book against stop.
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Glue
applied to only small portion of book
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- Book
moving in clamp.
- Glue
level low in gluepot.
- Glue
rolls not turning.
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- Increase
clamp pressure.
- Add
more glue to pot.
- Turn
on glue pot drive.
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Book
not being cut clean (pages toward stationary clamp fold
over)
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- Saw
blade gate worn.
- Cutters
dull.
- Gate
not set correctly.
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- Replace.
- Re-sharpen
or replace.
- Reset
saw gate.
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Books
stick or stay on delivery chute
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- Glue
on delivery chute.
- Too
much glue on book.
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- Remove
glue and spray with silicone.
- Adjust
amount of glue on rollers.
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Build
up of glue on one end of book
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- Speed
of glue roll is wrong.
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- If
glue build-up is on leading edge, increase the glue roll
speed. If glue build-up is on trailing edge, lower
the glue roll speed.
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Book
is distorted when it gets into delivery
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- Running
glue too not.
- Nipper
improperly set.
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- Reduce
glue temperature.
- Readjust
nipper setting.
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Clamp
stops about 3” too far right at nipper
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- 1 ohm
resister is not working.
- 1 ohm
potentiometer is not working.
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- Replace
resister.
- Replace
potentiometer.
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Clamp
fails to stop at nipper, delivery or end of cycle
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- Clamp
is not activating switch properly at these positions.
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- Readjust
switches position or replace if defective.
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Book
does not drop from clamp and jams on clamp return
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- Not
enough time is being allowed for book to drop.
- Clamp
is not properly adjusted for book thickness.
- Clamp
appears to have glue present.
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- Increase
time delay.
- Readjust
clamp.
- Clean
all clamping surfaces.
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Glue
pot will not heat properly
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- Heaters
not working properly or low voltage.
- Fuse
blown on temperature controller.
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- Check
for burned out heaters and replace if necessary.
- Replace
fuse.
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Cutter
motor will not start
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- Safety
switch is not properly set or cover is off.
- Heater
elements have shut off.
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- Readjust
safety switch.
- Reset
starter or timer.
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Glue
rollers do not turn
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- Drive
may not be engaged.
- Check
switch or timer.
- Check
for blown fuse.
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- Open
front glue pot door and lifting glue pot with handle.
- Switch
may not be on or timer might have shut the glue rollers
down.
- Replace
fuse.
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Nipper
will not run
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- Switch
may be in jog position.
- Check
for blown fuse.
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- Place
switch in run position.
- Replace
fuse.
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Machine
will not cycle
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- Cutter
motor must be on.
- Gluepot
must be up to temperature.
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- Turn
on cutter motor.
- Preset
gluepot before production. Glue must be molten before
cycling.
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