Schneider Airsystems UNM STV 650-10-270 Notice D'utilisation D'origine page 33

Problem
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
Visit our website
tems.com/td/ for the latest version of all ex-
ploded drawings and spare parts lists for our
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.
2.10 Warranty conditions
Basis for warranty claims: complete unit
in original condition/proof of purchase.
Cause
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-
Remedy
Clean or replace load-relieving
valve.
Clean or replace the check valve
insert (see Chap. 2.6.10).
Replace check valve.
Drain
Chap. 2.6.3).
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. 2.6.9)
According to legal provisions, you re-
ceive the following warranty against
material and manufacturing defects:
private use only: 2 years,
commercial use: 1 year.
Excluded warranty claims: Wear/consum-
able parts; improper use; overload; manipu-
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.
UNM STH/STV
the condensate
the V-belt
GB
(see
(see
II/15