2.3 Machine (without options)
2.3.1 Sound emission
2.3.1.1 Sound emission
Measurement conditions
■
Free-field measurement to directive 2000/14/EC
■ Measuring distance: d=1 m
■ Logarithmic surface ratio: Q2=16,8dB(A)
Sound emission M43
Guaranteed sound power level [dB(A)] 98
Emission sound pressure level* [dB(A)] 81,0
* Calculated from the guaranteed sound power level (2000/14/EG Directive, Basic Noise Emission
Standard ISO 3744) to EN ISO 11203:1995 number 6.2.3.d
Tab. 16 Sound emission
2.3.1.2 Sound pressure level
The sound pressure level conforms to the US EPA Standard.
Measuring distance: 7 m
Sound pressure level M43
Guaranties sound pressure level [dB (A)] 76
Tab. 17 Sound pressure level
2.3.2 Torques
Recommended values for hexagonal bolts of strength category 8.8
Hex-head screws
Thread M6 M8 M10 M12 M14 M16 M18
Torque [Nm] 9,5 23 46 80 127 195 280
Tab. 18 Torques for hex-head screws
2.3.3 Ambient conditions
Installation Limit value
Maximum altitude AMSL* [m] 1000
Minimum ambient temperature [°C] −10
Maximum ambient temperature [°C] 50
* Higher altitudes are permissible only after consultation with the manufacturer.
Tab. 19 Ambient conditions
2 Technical Specification
2.3 Machine (without options)
No.: 9_9432 02 E
Service Manual Screw Compressor
M43
7