Trouble Shooting - escofred BE-1N Manual De Instrucciones

VIII. Trouble Shooting
Phenomenon
of trouble
Low degree
of vacuum
Oil leakage
Oil injection
Difficult
starting
Possible reason
1. Oil insufficient
2. Pump oil emulsified,
not clean
3. Oil inlet blocked or oil
feeding inadequate
4. Pump pipeline or
vessel leak
5. Improper pump
chosen
6. Too long service life,
parts worn,
clearance enlarged
1. Oil seal damaged
2. Oil tank joint loosen or
damaged
1. Too much oil
2. Inlet pressure too high
for a long time
1. Too low oil
temperature
2. Motor or power supply
trouble
3. Foreign matter falling
in the pump
Way to eliminate
Add oil to center line of
oil scale
Replace with new oil
Clean oil inlet and
filtering screen
Check pipeline and
vessel for leakage and
repair
Check the size of vessel
sucked and re-compute
the pump to choose
Repair or replace with a
new pump
Replace with a new oil
seal
Tighten screws or
replace O-type ring
Discharge oil to oil base
line
Chose proper model
pump
Lead air inlet to atmos-
phere, start motor inte-
rruptedly, heat pump oil
Check and repair
Check and eliminate the
foreign matter
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