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High vacuum pumps, exhausters and blowers operating manual
26
10
Damaged motor.
Check the motor operation. Replace, if
it is damaged.
Qualified technician
11
V-belts degraded.
Check tension V-belts and correct it, if
necessary. Replace V-belts if they are
consumed.
Qualified technician
12
Speed of motor rotation is not sufficient.
Check direction and speed of rotation.
Check the electrical connection and
correct it, if necessary.
Qualified technician
13
Speed of rotation is higher than the target.
Check the ratio of pulleys and correct,
if it is wrong.
Qualified technician
14
Speed of motor rotation is excessive.
Check the speed of rotation. Check the
electrical connection and correct it, if
necessary.
Qualified technician
15
Exceeding quantity of lubricant in the casing.
Drain any excess lubricant, restoring
the correct level.
Qualified technician
16
Deformation caused by foot tightening.
Check the uniformity of the supporting
surface of feet machinery (within 2
mm). If necessary, use some shims to
correct it.
Qualified technician
17
Intaked gas temperature too high.
Check the suction conditions are within
the established parameters (see
3,1,2). Correct, if necessary.
Qualified technician
18
Too high machine-room temperature.
Machine-room has to be appropriately
ventilated to dissipate the produced
heat. If ventilation is deficient, correct.
Operator
19
Frictions inside the blower/booster.
Stop the machine and rotate slowly
by hand. If there is friction or contact
between the parties, call assistance.
Assistance
20
Rotors out of phase after seizure.
Stop the machine and rotate slowly
by hand. If there is friction or contact
between the parties, call assistance.
Assistance
21
The contact of rotors is caused by fouling.
Stop the machine and rotate slowly
by hand. If there is friction or contact
between the parties, call assistance.
Assistance
22
The contact of rotors is caused by oxidation.
Stop the machine and rotate slowly
by hand. If there is friction or contact
between the parties, call assistance.
Assistance
23
Bearings or gears deterioration is caused by
lack of lubricant.
Stop the machine and rotate slowly
by hand. If there is friction or contact
between the parties, call assistance.
Assistance
24
Blower/booster damage is caused by seizure.
Stop the machine and rotate slowly
by hand. If there is friction or contact
between the parties, call assistance.
Assistance
25
No airtight plugs or seals.
Pick out the damaged external
tightness elements and replace them.
Qualified technician
26
Damaged internal tightness organs.
Stop the machine and call assistance.
Qualified technician
27
Clogged vent plugs.
Clean or replace vent plugs.
Qualified technician
28
Degraded silencers.
Replece the degraded silencer
components.
Qualified technician