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Troubleshooting Guide - LEYBOLD SOGEVAC SV 40 BR2 Gebrauchsanleitung

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4 Troubleshooting Guide

Fault
Possible cause
Pump does not
Pump is connected incorrectly.
start.
Motor protection switch incorrectly set.
Operating voltage does not match motor.
Motor is malfunctioning.
Oil temperature is below 12°C (54°F).
Oil is too viscous.
Exhaust filter / exhaust line is clogged.
Pump is seized up.
(Sign : pump is jammed).
Pump does not
Measuring technique or gauge is unsuitable.
reach ultimate
External leak
pressure.
Float valve does not close.
Anti-suckback valve is malfunctioning.
Exhaust valve is malfunctioning.
Inadequate lubrication due to
- unsuitable or contaminated oil,
- clogged oil filter,
- clogged oil lines.
Vacuum lines are dirty.
Pump is too small.
Pumping speed is
Dirt trap in the intake port is clogged.
too low.
Exhaust filter is clogged.
Connecting lines are too narrow or too long.
Anti-suckback valve is hard to open.
After switching off
System has a leak.
pump under
Anti-suckback is malfunctioning.
vacuum, pressure
in system rises
too fast.
Pump gets too
Cooling air supply is obstructed.
hot.
Cooler is dirty.
Ambient temperature is too high.
Process gas is too hot.
Oil level is too low.
Oil is unsuitable.
Oil cycle is obstructed.
Exhaust filter / exhaust line is obstructed.
Exhaust valve is malfunctioning.
Pump module is no longer usable.
Oil comes from the vacuum system.
Oil in intake line
or in vacuum
Anti-suckback valve is obstructed.
vessel.
Sealing surfaces of anti-suckback valve are damaged
or dirty.
Oil level is too high.
Pump's oil
Exhaust filters are clogged or damaged.
consumption too
Nozzle of float valve is clogged.
high, oil mist at
Oil level is too high.
exhaust.
Condensation.
Oil is turbid.
Oil level is very low (oil is no longer visible).
Pump is
excessively noisy.
Oil filter is clogged.
Coupling element is worn.
Large vacuum leak in system.
* Reference section : This coluum refers to the section in the Operating Instructions that contains the applicable repair information.
1) Bubble test : Let the pump run at operating temperature with degassed oil, without gas ballast and with closed intake port.
Immerse the exhaust line in a bucket of water. If a steady stream of bubbles appear, the pump has an external leak.
30
-1)
. - Piping fittings loose.
Remedy
Connect the pump correctly.
Set motor protection switch properly.
Replace the motor.
Replace the motor.
Heat the pump and pump oil or use different oil.
Use appropriated oil grade.
Replace the filter or clean the exhaust line.
Repair the pump.
Use correct measuring technique and gauge.
Repair the pump. - Retighten.
Repair the valve.
Repair the valve.
Repair the valve.
Change the oil (degas it, if necessary).
Replace the oil filter.
Clean the oil lines and oil case.
Clean vacuum lines.
Check the process date; replace the pump, if necessary.
Clean the dirt trap ;
Precaution : install a dust filter in intake line.
Install new filter elements.
Use adequately wide and short connecting lines.
Check spring free length.
Check the system.
Repair the valve.
Set pump up correctly.
Clean the cooler.
Set pump up correctly.
Change the process.
Add oil to reach the correct oil level.
Change the oil.
Clean or repair the oil lines.
Replace the exhaust filter, clean the exhaust line.
Repair the valve.
Replace the pump module.
Check the vacuum system.
Clean or repair the valve.
Clean or repair the intake port and valve.
Drain the excess oil.
Replace the filters.
Check the valve, clean the nozzle.
Drain the excess oil.
Degas the oil or change the oil and clean the pump.
Precaution : open the gas ballast valve or insert a
condensate trap.
Clean the gas ballast intake filter.
Add oil.
Change the oil and filter.
Install new coupling element.
Repair vacuum leak.
Reparatur-
Hinweis *
2.3
2.3
1.8
3.3
3.4
3.11/3.12
2.7
3.9
3.6
3.10
3.3
3.3
3.5
1.4/2.2.1
3.4
2.2
3.6
2.1
3.8
2.1
3.3
3.3
3.4
3.10
3.11
3.6
3.6
3.3
3.4
3.9
3.3
2.5.2/3.2.2
3.7
3.3
3.3
3.11
3.11/3.12

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Diese Anleitung auch für:

Sogevac sv 65 br2Sogevac sv 100 br2

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