Schneider Airsystems UNM STS 660-10-270 Notice D'utilisation D'origine page 26

GB
UNM STS/STL
Problem
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 Warranty
Basic principle: complete unit in original
condition / proof of purchase.
Material and production defects are covered
by statutory provisions.
Excluded warranty claims: Wear/consum-
able parts; improper use; overload; manipu-
II/6
Cause
Excessive condensate in the
fre- pressure tank.
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
Remedy
Drain
Chap. 2.6.3).
See item E
Have the pressure switch reset/
replaced by a qualified person.
Replace or contact service part-
ner
Ensure sufficient ventilation.
Clean
Switch off compressor.
Compressor is too large, contact
service partner
Change oil.
Look for point of contact, remedy
error
Tighten
Chap. 2.6.9)
lation/use for other than intended use;
insufficient/incorrect/no maintenance; accu-
mulation of dust/dirt; incorrect/impermissi-
ble work methods; failure to observe the
Instruction Manual; incorrect processing/
working materials; incorrect electrical con-
nection; improper installation.
the condensate
the V-belt
(see
(see