Commissioning | 6
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6
Commissioning
NOTICE
The machine is shipped without oil.
Operation without oil will ruin the machine in short time!
• Prior to commissioning, the machine must be filled with oil, see
Filling Oil [
}
9]
.
CAUTION
During operation the surface of the machine may reach temperatures of more than
70°C.
Risk of burns!
• Avoid contact with the machine during and directly after operation.
CAUTION
Noise of running machine.
Risk of damage to hearing!
If persons are present in the vicinity of a non noise insulated machine over extended
periods:
• Make sure that ear protection is being used.
• Make sure that the installation conditions (see
Installation Conditions [
}
7]
) are com-
plied with.
• Switch on the machine.
• Make sure that the maximum permissible number of starts does not exceed 12 starts
per hour.
• After few minutes of operation, check the oil level and top up if necessary.
As soon as the machine is operated under normal operating conditions:
• Measure the motor current and record it as reference for future maintenance and
troubleshooting work.
6.1 Version with Oil Return Valve
During operation oil accumulates at the bottom of the upper chamber of the oil separ-
ator, which cannot flow down into the bottom chamber, as long as the machine runs.
After 10 hours of continuous operation, in case of high pressure difference between suc-
tion side and pressure side after a shorter period:
• Shut down the machine for at least 15 minutes.
ð
The oil can run down from the upper chamber of the oil separator into the bottom
chamber
6.2 Conveying Condensable Vapours
Water vapour within the gas flow is tolerated within certain limits. The conveyance of
other vapours shall be agreed upon with Busch.
If condensable vapours are to be conveyed:
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