2.5.2 Compressed air outlet
Outlet valve ["]
Number
G 3/4
3
G 2
1
Tab. 21 Compressed air distributor
2.5.3 Pressure relief valve
Further information Maximum working pressure: see nameplate
Maximum working pres‐
sure [bar]
Activating pressure [bar]
7
—
8.6
—
10
13
12
15
14
16
Tab. 22 Relief valve activating pressure
2.5.4 Temperature
Machine temperatures
Values
Recommended airend discharge temperature for
switching to load [°C]
30
Typical airend discharge temperature during opera‐
tion [°C]
75 ..... 100
Maximum airend discharge temperature (automatic
safety shut-down) [°C]
117
Tab. 23 Machine temperatures
2.5.5 Cooling oil recommendation
A sticker showing the type of oil used is located near the oil separator tank filler.
Information on ordering cooling oil is found in chapter 11.
Characteristic
SIGMA FLUID
Oil grade
S–460
MOL
Classification
Silicone-free,
synthetic oil
Mineral oil
Application
Standard oil for all applications except in
connection with foodstuffs.
Particularly suitable for machines with a
high duty cycle.
Standard oil for all applications
except in connection with food‐
stuffs.
Particularly suitable for machines
with a low duty cycle.
2
Technical Specification
2.5
Compressor
No.: 9_6975 00 E
Service Manual Screw Compressor
M135 SIGMA CONTROL MOBIL
9