DVP LB.40WR Manuel d'utilisation et d'entretien - Page 18
Parcourez en ligne ou téléchargez le pdf Manuel d'utilisation et d'entretien pour {nom_de_la_catégorie} DVP LB.40WR. DVP LB.40WR 20 pages. Vacuum pumps with recirculating lubrication system
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9
TROUBLESHOOTING
DAMAGE
(A)
The pump does not run
(B)
The pump cannot
reach stated vacuum
(C)
Pump is noisy
(D)
Pump runs hot
(E)
High oil consumption
(F)
Pump does not
maintain vacuum after
power-off
(G)
Pump leaks oil
16
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Operating and Maintenance Instructions
LB.5WR – LC.25WR – LB.40WR – LB.60WR – LC.105WR
CAUSE
No voltage
Thermal switch has tripped
Room temperature is too low
Motor winding damaged
Suction of unpermitted substances
(only LB.5WR)
Low oil in tank
Oil contaminated
Intake filter obstructed (only LB.5WR)
Pump gaskets damaged
Discharge clogged
Air exhaust filter clogged
Bearings damaged
Solid particles in the oil
Vanes worn out
Motor coupling damaged
(where present)
Oil is not the suitable type
Poor room ventilation
Motor fan broken
Wrong power supply to motor
Discharge clogged
High working pressure
(close to atmospheric pressure)
Pump runs hot
Air exhaust filter clogged
Check valve damage
Tank screws, oil drain valve or plugs loosened
Tank gaskets damaged
Oil sight glass not tightened
REMEDY
Provide power supply
Identify reason and activate switch
Restore room temperature to allowed range
Contact Service Department
Contact Service Department
Top up oil
Change oil
Replace the filter cartridge
Contact Service Department
Check couplings at outlet
Change the air exhaust filter
Contact Service Department
Change oil
Contact Service Department
Contact Service Department
Change oil
Install an auxiliary ventilator
Contact Service Department
Check power supply
Check couplings at outlet
Check oil level frequently
See point "D"
Change the air exhaust filter
Contact Service Department
Tighten screws, valve or plugs
Contact Service Department
Tighten the oil sight glass
8702037 – 01/01/2011 – R.0
EN