User manual

Industrial Air Division
232920 1163 04
Refit the side panel and fit the bracket (3) in its original lifted
position.
On water-cooled compressors:
Consult Atlas Copco for cleaning.
4.3 Safety valve (SV-Fig. 14a)
Operate the safety valve by unscrewing the cap one or two turns
and retightening it or by pulling the valve lifting lever.
Testing
The valve can be tested on a separate compressed air line. If the
valve does not open at the pressure specified in section 6.2,
consult Atlas Copco. No adjustments are allowed.
Label indicating that it is not allowed to carry out any maintenance
or repair as long as the compressor is in operation, pressurized or
if the voltage is switched on.
Fig. 13. Safety label
AR. Air receiver/oil separator
BV. Oil cooler by-pass valve
FN2. Fan, compressor coolers
OF. Oil filter
Rf2. Restrictor
SV. Safety valve
UA. Unloader
UV. Unloading valve
VI. Air filter service indicator
Vp. Minimum pressure valve
Y1. Loading solenoid valve
1. Air inlet pipe
2. Oil scavenging line
3. Bracket (used if removing side panel)
4. Bolts
5. Blow-off flexible
6. Bolt
7. Bolt
Figs. 14. View of minimum pressure valve and unloader
Fig. 14a. View of minimum pressure valve
Fig. 14b. View of unloader
F025