Sign Description
Pressure switch
Pressure transmitter
Pressure indicator
Pressure relief valve
Built-in backstop
Heater
Protection cap for bolt or nut
Hole for vibration sensor
Ground connection
ATEX
Description of the lubrication of the gear unit
Function of lubrication
Lubrication is necessary for these functions:
• To prevent metal-to-metal contact in gears and bearings
• To decrease friction losses
• To dissipate generated heat from the gears and the bearings
• To prevent corrosion
4.4
4.4.1
Description
IM_405_002_EN
17
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