Troubleshooting - NetterVibration VAC Series Assembly Instructions Manual

Troubleshooting

9 Troubleshooting
In the case of malfunctions of the VAC proceed as follows:
Malfunctions
and causes
Malfunction
VAC does
not gener-
ate vacuum
VAC slides
when vi-
brated
Possible causes Corrective actions
Air supply insuffi- Check pressure before VAC and set to 2 to 6 bar.
cient
Hose connections
Check the hose connection assembly.
not correctly as-
sembled
Lines kinked Lay lines without kinking.
Cross-section of Increase cross-section of supply line.
supply line insuffi-
cient
Silencer clogged Clean or replace silencer.
Vacuum nozzle Clean vacuum nozzle (let clean; see page 24,
clogged "maintenance plan").
Mounting surface VAC is not suitable for this application.
permeable to air or
rough
Air supply insuffi- Check pressure before VAC and set to 2 to 6 bar.
cient
Lines kinked Lay lines without kinking.
Silencer clogged Clean or replace silencer.
Vacuum nozzle Clean vacuum nozzle (let clean; see page 24,
clogged "maintenance plan").
Mounting surface VAC is not suitable for this application.
permeable to air
Mounting surface Remove relevant layers.
oily, greasy or
moist
Suction cups worn Replace aged, brittle suction cups.
Subsurface rein- Put VAC on elastic surface between reinforcements
forced (membrane effect).
(bounce impacts)
Vibrational fre- Set frequency with a non-return throttle valve.
quency too high
25