
9
9
Troubleshooting
Observe the safety instructions in chap. Safety, from page 3 on.
Malfunction
Possible cause
Corrective action
Vibrator has too little power
or does not start
Connections switched
Place the air inlet on the connection with the smaller bore
(see arrows).
Dimensioning
Check size of the vibrator. Is the size correct?
Pressure too low
Check pressure in front of Vibrator.
Nominal width of hoses and valves observed?
Lines kinked?
Silencer clogged
Clean or replace silencer.
Power loss
Pressure on vibrator
Set operation pressure.
Caution:
Observe max. frequency.
Air line kinked
Connect the compressed air supply line without kinks.
Leakage in air line
Replace the compressed air supply line.
Silencer clogged
Clean or replace silencer.
Wear, pollution
Have vibrator checked by
Netter
Vibration
.
Only NCT:
Significant power loss, loud
noise from bearings
Damage to bearings
Have NCT checked by
Netter
Vibration
.
Unusual rise in sound level
after prolonged operating
time
Loose construction
parts or screws (rat-
tling)
Secure loose parts, tighten screws.
10 Disposal
All parts of the vibrators must be properly disposed of according to the material specifications.
The vibrators can be properly disposed by
Netter
Vibration
. The valid disposal prices are available on
request.
Material specifications
Material
Part
Aluminium
housing / NCT: turbine, bearing cover / NCR: cover
Steel, galvanised
Screws / NCB: steel ball, ball race, pin and cover
NCR: steel roller and inner ring
Tungsten alloy
NCT: unbalances
Plastics
Silencer, hose grommet
NCB: o-ring
Stainless steel (for NCT S)
housing, bearing cover, grommet
Sintered metal (for HT versions)
silencer
Brass (for HT versions)
hose grommet