10 Maintenance
10.1 Ensuring safety
Follow the instructions below for safe maintenance.
Warning instructions are located before a potentially dangerous task.
Disregard of warning instructions can cause serious injuries!
Complying with safety warnings
Disregard of safety warnings can cause unforeseeable dangers!
➤ Follow the instructions in chapter 3 “Safety and Responsibility”.
➤ Installation work may only be carried out by authorized personnel.
➤ Make sure that no one is working on the machine.
➤ Ensure that all service panels and doors are secured.
When working on live components
Touching voltage-carrying components can result in electric shocks, burns, or death.
➤ Work on electrical equipment may only be carried out by authorized electricians.
➤ Switch off and lock out the power supply disconnecting device and verify the absence of volt‐
age.
➤ Check that there is no voltage on floating relay contacts.
When working on the compressed air system
Compressed air is contained energy. Uncontrolled release of this energy can cause serious injury
or death. The following safety concerns relate to any work on components that could be under
pressure.
➤ Switch off and lock out the power supply disconnecting device and verify the absence of volt‐
age.
➤ Close shut-off valves or otherwise isolate the machine from the compressed air network to en‐
sure that no compressed air can flow back into the machine..
➤ Depressurize all pressurized components and enclosures.
➤ Do not open or dismantle any valves.
When working on the drive system
Touching voltage-carrying components can result in electric shocks, burns, or death.
Touching the fan wheels or the belt drive while the machine is switched on can result in serious
injury.
➤ Switch off and lock out the power supply disconnecting device and verify the absence of volt‐
age.
➤ Do not open any doors or panels while the machine is switched on.
Further information Details of authorized personnel are found in chapter 3.4.2.
Details of dangers and their avoidance are found in chapter 3.5.
10 Maintenance
10.1 Ensuring safety
Number: 9_9572 28 USE
Installation and Operating Manual Rotary lobe blower
HBPI pr
65