9.3 On-site maintenance
The pump does not require any maintenance on the customer’s premises other than the day-to-day
servicing described in this manual. All other maintenance operations must be carried out by our service
center.
► Clean the outer surfaces of the product using a clean, lint-free cloth and a product that will not
damage the screen-printed surfaces or adhesive labels.
► Check the exhaust line for clogging.
► Check that the splinter shield is not clogged; clean it or replace it.
► Replace the dust filter on the purge solenoid valve if it is obstructed (if valve present).
► Replace the solenoid valve coils if they are defective.
► Replace the water solenoid valve if it is defective (if valve present).
Splinter shield replacement
Pump is delivered with splinter shield installed in the pump inlet housing. This splinter shield protects
the pump against solid particles coming from vacuum chamber. When it is polluted or damaged, it must
be replaced.
3
2
1
IN
1 Ring
3
Inlet housing
2 Splinter shield
For reassembly, respect the following instructions:
1. Install the splinter shield in the inlet housing groove,
bent side facing the vacuum chamber
.
2. Position the ring and
manually press it down on the groove bottom all around its circumfer-
ence
.
9.4 Exchange procedure by a replacement product
To proceed with a standard exchange, key steps must be followed in sequential order:
1. Disconnecting the pump from the installation.
2. Draining the water circuit.
3. Preparing the pump for shipping.
4. Completing the declaration of contamination.
5. Handling the new pump (see chapter "Handling the pump").
6. Installing a new pump (see chapter "Installation").
Familiarize yourself with the service request procedure and fill in the declaration of contamination when
returning products to our service centers
(see chapter “Service solutions by Pfeiffer Vac-
.
9.4.1 Disconnecting the pump from the installation
Reminder of the risks and safety measures
● Follow the maintenance safety instructions.
● Apply the specific safety instructions in accordance with local laws; this information is
available from the customer’s health and safety department.
Maintenance
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