Baumfolder BAUM 26_30: Folder 1st Station Contfeed - Manual (Page 44)

TP10476-1 PAGE 44
TROUBLESHOOTING
PROBLEM CAUSE REMEDY
Sheets stick together Inadequate ink drying, cut Fan out thoroughly when
particularly along sides. with blunt guillotine blade. piling. Increase air blow.
Suction wheel picks Excessive suction. Reduce vacuum setting.
up double sheets. Air blow improperly set Increase air blow
Sheets stick together
Double sheet stop Set only to single paper Correct to double paper
reacts to single sheets. thickness. thickness. Tighten lock nut.
Sheet twists after suction Side Guide on register Bring guide plate forward.
wheel finishes feed-in. set too far back.
Too few marbles at start of Increase number of marbles
side gage. if necessary.
Suction gap too short. Increase gap setting.
Sheet leading edge If the leading edge of the sheet Adjust holder tongue
buckles on register or is being buckled, the holder accordingly.
lower sheets are being tongue below the suction wheel
pushed forward. is too high; if too low, sheets
are pushed forward.
Dirty valve piston sticking. Clean.
Sheets fail to run into the Only at 1st buckle plate: Fit sheet deflector to 1st
buckle plate. A curl in the sheet buckle and fold in 3rd
can cause the leading buckle plate.
edge to bend up or down
thus missing the upper or
lower buckle throat.
On all buckle plates: sheet Advance lower buckle plate
missing the buckle plate lips accordingly.
underlips.
Sheets fail to re-emerge Sheet unable to buckle as Set lower buckle plate
from buckle plate. buckle space too small. lip further back.
Folding rollers blunt or Wash off rollers with the
clogged with ink. type of rubberised-cloth
cleaning agent used in
offset work.
Inadequate inside clearance Increase clearance as
in buckle plate. necessary.