Air Inlet Filter Replacement; Pirani Gauge Replacement - Pfeiffer Vacuum ASM 390 Additional Installation, Operation And Maintenance Instructions

Service - Maintenance
Vacuum block air filter reassembly
1. Screw the filter in the vacuum block.
2. Screw the connector in the filter.
3. Position the tube in the connector and screw the connector.
5.8.2 Air inlet filter replacement
Prerequisite(s) for the air inlet filter disassembly
► Power off the leak detector (see chapter "Powering Off").
Air inlet filter disassembly/reassembly
1 Air inlet filter
► Loosen the air inlet filter and replace it.
5.9 Pirani gauge replacement
Tools
► Retainer screw
Prerequisites
1. Power off the leak detector (see chapter "Powering Off").
2. Remove the work plan (see chapter "Work plan disassembly/reassembly") and the front cover
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Risk of pollution
The air inlet vent must never remain open to the air. Ensure the filter is on the connector at
all times.
(see chapter "Front cover disassembly/reassembly").
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