Leading Particulars; General Description - Atlas Copco LE2 Instruction Book

Instruction book

1 Leading particulars

1.1 General description

LE, LF and LT are air-cooled, single-acting piston compressors. LE and LT are lubricated compressors;
LF are oil-less compressors which deliver oil-free air. LF2 up to LF5, LE2 up to LE7 and LE10 50 Hz are
single-stage compressors; LE10 60 Hz, LE15, -20, LF7, -10 and LT are two-stage compressors.
LT and LE/LF2 up to -7 and LE10 50 Hz are two-cylinder compressors, LE10 60 Hz, LF10, LE15, -20 are
three-cylinder compressors.
Note: Take care that three-cylinder compressors rotate in the direction as indicated by the arrow on the
fan housing (counter-clockwise seen from fan cowl side).
LE/LF are built for effective working pressures up to 10 bar. LT are built for effective working pressures up
to 30 bar (LT2 only for 15 and 20 bar).
Fig. 1.1 Compressor Block with unloading valve
2920 1585 00
Fig. 1.2 Power Pack with unloading valve
- 5 -