"Camel" Liquid Ring Medical Vacuum
Medical Systems
A-1
Appendix A - NASH "Delta" EC Pump Information
Introduction
These directions should be read carefully before the installation and start up of your Nash vacuum pump. In order
to ensure operator safety and to avoid damage to the equipment it is important that the operators and the personnel
in charge of the equipment are fully acquainted with the safety instructions in Section A.1. Please ensure that the
equipment is operated in accordance with these safety instructions.
The NASH Model "Delta" EC pumps meet the following regulations within their proper range of application:
89/392/CEE - machines
All Model EC pumps are marked "CE"
Do not operate or apply these pumps in a manner different than noted in this manual. Special versions of the pump
may result in changes to the technical specification and operating performance. In the case of any questions, please
consult our Technical Service Department. Please provide the pump model and serial number.
Contents Page
Section A.1 Safety
A-2
A.1.1 Operational
A-2
A.1.2 Service
A-2
Section A.2 Description
A-3
A.2.1 How the Nash vacuum pump works
A-3
Section A.3 Application
A-3
A.3.1 Operation as a vacuum pump
A-3
A.3.2 Inlet gas or vapor
A-4
A.3.3 Service Liquid
A-4
Section A.4 Installation
A-5
A.4.1 On Site Positioning
A-5
A.4.2 Connections
A-5
A.4.2.1 Electrical Connections
A-5
A.4.2.2 Inlet and Discharge Connections
A-5
Section A.5 Operation
A-6
A.5.1 Preparation for initial start-up
A-6
A.5.2 Service Liquid
A-6
A.5.3 Draining and Flushing
A-6
A.5.4 Preliminary Inspection
A-6
A.5.5 Starting and Stopping the Pump
A-7
A.5.5.1 Starting
A-7
A.5.5.2 Stopping
A-8
Section A.6 Maintenance
A-9
A.6.1 Introduction
A-9
A.6.2 Bearing Lubrication
A-9
Section A.7 Disassembly and Re-Assembly
A-10
A.7.1 Before Disassembling
A-10
A.7.2 Disassembly
A-10
A.7.2.1 Disassembly of Inlet/Discharge Cover and Plate
A-10
A.7.2.2 Disassembly of Rotor and Mechanical Seal
A-11
A.7.3 Re-assembling
A-11