Spare Parts Service - Schneider Airsystems UNM 650-10-90 D Manual De Instrucciones

Problem
E Compressor
continuously.
F During operation,
compressed
escapes via
load-relieving valve.
G After the switch-off
pressure is reached,
compressed
escapes via
load-relieving valve
until switch-on
pressure is reached
H Compressor
switches on
quently.
I Safety valve blows
out.
J Compressor over-
heats.
K Oil-lubricated com-
pressor: the
level rises without
oil having
added.
L V-belt driven com-
pressor: unusual
running noises.
2.9

Spare parts service

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Cause
runs Intake filter badly contami-
nated.
Air consumption of compressed
air tools is too high.
Leakage at compressor.
Excessive condensate in the
vessel.
Compressed air line leaky:
Condensate drain valve is open
or missing.
Load-relieving valve leaky.
air
the
Check valve insert leaky or
defective.
air
Check valve is damaged.
the
Excessive condensate in the
fre- pressure vessel.
Compressor overloaded.
Vessel pressure is higher than
the set switch-off pressure.
Safety valve is defective.
Air supply not sufficient.
Cooling fins on cylinder (cylin-
der head) contaminated.
Duty cycle too long.
Condensate collects in the oil.
oil
High humidity.
been
V-belt or belt disc is scraping
against belt guard grating.
V-belt sags.
www.schneider-airsys-
BAM/CPM/SUM/UNM/ZPM
Remedy
Clean or replace intake filter.
Check the air consumption of the
tools. Contact the service partner
Locate leak, contact service part-
ner.
Drain
Chap. 2.6.5).
Check compressed air line, plug
leak.
Close or replace.
Clean or replace load-relieving
valve.
Clean or replace the check valve
insert (see Chap. 2.6.11).
Replace check valve.
Drain
Chap. 2.6.5).
See item E
Have the pressure switch reset/
replaced by a qualified person.
Replace safety valve or contact
service partner.
Ensure sufficient ventilation.
Clean cooling fins on cylinder
(cylinder head).
Switch off compressor.
Compressor is too large, contact
service partner.
Change oil.
Look for point of contact, remedy
error
Tighten
Chap. 2.6.10)
products. If you have any special questions,
please consult the Schneider Airsystems Ser-
vice centre in your country (addresses in the
service appendix) or your local dealer.
the condensate
the condensate
the V-belt
GB
(see
(see
(see
II/15