MAINTENANCE
28 | EN
www.schmalz.com
30.10.02.00604/02
Problem
Possible cause
Solution
Vacuum generator
works, but workpieces
are not picked up
Dust filter is contaminated
Clean or replace dust filter
Sealing mat is damaged
Replace sealing mat
Workpiece is too heavy
Workpiece is not suitable
Sealing rings of the separating or
ventilation cylinder are damaged
Replace sealing rings
The suction bar’s slider is clogged
with chips or resin
Clean slider and check valves
L x W x H
– proportions of the parts
to be lifted are not correct
Parts cannot be lifted
Operating pressure is too low
Set compressed air supply to 6 bar
Pneumatic cylinder is
not working
Cylinder is defective
Repair cylinder or replace if necessary
Operating pressure is too low
Set compressed air supply to 6 bar
Solenoid valve is not
working
Electrical control is not working
Check the connections and replace valve
if necessary
Solenoid valve is defective
Repair or replace the solenoid valve
Vacuum in the storage
chamber (below -300
mbar)
Leak in the system or the supply line Perform leak test (see section 9.10)
9
Maintenance
9.1 General maintenance instructions
WARNING
System maintenance by untrained personnel
Serious personal injury
► The system may only be maintained by trained personnel who have read and
understood the operating instructions.
► The system must be depressurized and disconnected from the power supply
for repair and maintenance work.
CAUTION
Hot solenoid valves
Burns
► Do not touch hot components.
► Wear protective gloves.
The blower or pump may not be opened during the warranty period. Opening them
voids the warranty.
(For exceptions, see the vacuum generator’s documentation (section 13, Other
Applicable Documents))
