Compressor Variants - Atlas Copco LE2 Instruction Book

Instruction book
Fig. 1.8 Base-mounted
AC Air cooler
AF Air filter
AR Air receiver
AV Air outlet valve
CV Check valve
Dm Condensate drain valve
FC Filler cap
FN Fan
Gp Air pressure gauge
M Motor
P1 Hourmeter, running time
SV Safety valve
Y1 Loading solenoid valve
1 Cover

1.1.1 Compressor variants

The Compressor Block (Fig. 1.1) includes:
- Crankcase (4) and cylinders (6)
- Air inlet filter (AF) and inlet silencer (3)
- Fan (FN)
- Air cooler piping (2) and (5)
- Unloader (7, as standard on LE/LF/LT5 up to -10, LE15, -20 and LT15 up to -20)
- Interstage relief valve (8, for LF7, -10, LE10 60 Hz, LE15, -20 and LT)
The Power Pack comprises (Figs. 1.2/1.3):
- For LE/LF/LT2 and -3: the Compressor Block as described above, with flanged-on electric motor (M), check
valve (CV-Fig. 1.4), and on 60 Hz air pressure switch with on/off switches (13-Fig. 1.4).
2920 1585 00
2 Blow-off silencer
3 Air inlet silencer
4 Dewpoint indicator
5 Cooling pipe
6 Electric cabinet
7 Unloader
8 Relief valve
9 Pictograph, switch off voltage and
depressurize before maintenance or repair
10 LP cylinder
11 HP cylinder
12 DD filter
13 Air pressure switch with on/off switches
14 PD filter
15 CD dryer
Figs. 1.4 up to 1.9 General views
- 8 -
Fig. 1.9 LE/LF/LT with CD dryer