Troubleshooting - NetterVibration NCT Series Operating Instructions Manual

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Troubleshooting

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