MBM Corporation 352S - Manual (Page 66)

Operator's Manual multipli 35
72 Mathias Bäuerle GmbH
No: Possible Cause:
10 Gap between feed- and pressure
roller too wide
11 Paper stop is not set at the correct
height
12 Too much vacuum
13 Air brackets are not set parallel
14 Feed speed of suction drum too high
15 Gap between sheets is too narrow
16 Pump is not switched on
17 Suction drum is loose
18 Timing belt pulley is loose
19 Sheets are not fed at right angles
20 Sheets are not cut at right angles
21 Fold plate stop not set correctly
22 Change of fold speed
23 Steel balls too heavy
24 Insufficient guidance by balls
25 Distance between ejector rollers and
hold-down rollers too short
26 Ejector rollers on knife shafts are not
distributed evenly across paper width
27 Ejector rollers worn
28 Paper feed irregular
29 Delivery belt is slack
30 Paper jam, safety system has
switched off the machine
Remedy:
Narrow gap by turning setting disk
Change height by means of setting screw
Reduce vacuum
Adjust air brackets according to scale
Set hand wheel to slow feed speed
Adjust air flow. Move suction segment
against the rotation of the suction drum
Switch on pump
Tighten suction drum (3 Allen screws)
Tighten timing belt pulley
Align sheet guide on the feeder or right-
angle table
Adapt fold plate stop to the sheet by
ad-justing the knurled screw
Readjust with fine adjustment screw
Set regular speed, check fold
Use plastic balls
Shift ball cages
Increase distance
Arrange ejector rollers evenly across the
paper width
Replace rollers
Correct setting
Tension belt or replace, if necessary
Clear jam, switch the machine off and
then on again.