Preparatory Work - Pfeiffer Vacuum ASM 390 Additional Installation, Operation And Maintenance Instructions

3.3 Preparatory work
The detector does not require any maintenance at the customer's premises, except for the sub-assem-
bly maintenance described in this manual. All other maintenance must be carried out by our service
center
Damage to the equipment if a detector is handled while switched on
If it is necessary to move or work on the product, the user must first make sure that the detector is
fully shut down, otherwise there is a risk of damage to some of the detector components. When the
main switch/circuit breaker is set to O:
► Unplug the power cable.
► Wait for the control panel screen to turn off completely before working on the product and/or re-
► Wait 5 minutes after power-off before working on the product.
Procedure
To ensure the proper operation of the detector after on-site maintenance, follow the recommendations
provided below:
► Handle the detector so it can be moved in the maintenance area (see chapter "Handling" of the
► Wear suitable protective equipment.
► Use the recommended tools for each maintenance operation.
► Always protect the surfaces of connecting flanges (analyzer cell, pumps and pipework).
► After reassembly, perform a leak test on the replaced sub-assembly.
(see chapter "Service solutions by Pfeiffer Vacuum", page
moving the cover(s).
Operating instructions.)
– Clean, dust-free room.
– If necessary, a maintenance set is available to order (see chapter "Tools").
27).
NOTICE
General information
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