Decommissioning; Troubleshooting - Schneider Airsystems SEM 100-8-6 W-oilfree Notice D'utilisation D'origine

GB
SEM oilfree
2.6.4 Check screw fittings
1. Check all screw connections for tight fit
and retighten if necessary.
2. Observe the tightening torques (tighten-
ing torques calculated according to VDI
2230).
2.6.5 Clean intake filter
See Part 1 of the Instruction Manual.
Do not purge the intake opening. No for-
eign objects may enter.
Never operate the compressor without an
intake filter.
2.8

Troubleshooting

Observe the safety instructions!
Problem
A Protective motor
switch interrupts
power supply.
B Pressure relief does
not function
C Compressor
not start when
switched on.
II/10
Cause
In case of malfunctions (e.g.
overheating;
extension cable too long or
with incorrect cross-section),
the protective motor switch is
tripped.
The pressure relief is shut
down by an interruption of the
power supply or voltage drop in
the mains when the compres-
sor is switched on.
does Vessel pressure is higher than
switch-on pressure.
Power supply faulty.
Protective motor switch inter-
rupts power supply.
Pressure switch defective
2.6.6 Cleaning/replacing the
check valve
1. Unscrew the locking screw (Figure 6a).
2. Clean the insert and seat.
3. Replace the insert in case of damage,
squeezing or hardening.
4. If the seat is damaged, replace the entire
check valve.
2.6.7 Replacing the safety valve
1. Detach the safety valve (item 11) by un-
screwing it anticlockwise.
2. Screw the new safety valve into place by
screwing it clockwise.
2.7

Decommissioning

Observe the safety instructions!
2.7.1 Disposal
Dispose of the unit and packaging materials
according to applicable regulations.
Remedy
Switch off the compressor. Wait a
low voltage; short while. For compressors
with an external protective motor
switch:
Switch on the compressor.
If the protective motor switch is
triggered again: switch off the
compressor. Disconnect the pow-
er supply. Contact the service
partner.
Switch off the compressor. It de-
pressurises. Switch on the com-
pressor.
Relieve pressure in the vessel
until the pressure switch is acti-
vated automatically.
Have the power supply checked
by a qualified person (service
partner).
See item A.
Have
changed by a qualified person.
actuate the switch.
the pressure switch