BOC E2M28, Instruction Manual

Page: 4 / 52

E2M28 and E2M30 Rotary Vacuum Pumps
PAGE
ii
Issue K ii Jul 05
Section Page
5 MAINTENANCE 29
5.1 Safety information 29
5.2 Maintenance plan 29
5.3 Check the oil-level 30
5.4 Replace the oil 30
5.5 Inspect and clean the inlet-filter 31
5.6 Clean the gas-ballast filter 32
5.7 Clean the motor fan-cover and enclosure 33
5.8 Clean and overhaul the pump 33
5.9 Fit new blades 33
5.10 Test the motor condition 33
5.11 Fault finding 33
5.11.1 Introduction 33
5.11.2 The pump has failed to start 33
5.11.3 The pump fail to achieve specified performance (failure to reach ultimate vacuum) 34
5.11.4 The pump is noisy 34
5.11.5 The pump surface temperature is above 100
o
C 34
5.11.6 The vacuum is not maintained after the pump is switched off 35
5.11.7 The pumping speed is poor 35
5.11.8 There is an external oil leak 35
6 STORAGE AND DISPOSAL 37
6.1 Storage 37
6.2 Disposal 37
7 SERVICE, SPARES AND ACCESSORIES 39
7.1 Introduction 39
7.2 Service 39
7.3 Spares 39
7.4 Accessories 40
7.4.1 Introduction 40
7.4.2 Inlet Catchpot 40
7.4.3 Inlet Dust Filter 40
7.4.4 Inlet Desiccant Trap 40
7.4.5 Inlet Chemical Trap 40
7.4.6 Outlet Mist Filter 40
7.4.7 Solenoid Operated Pipeline Valve 42
7.4.8 Foreline Trap 42
7.4.9 Vibration Isolators 42
7.4.10 Oil Drain Extension 42
7.4.11 Pump Inlet Adaptor 42
7.4.12 Flexible Bellows 42
7.4.13 Pump Outlet Adaptor 42
7.4.14 Gas Ballast Banjo/Elbow Assembly 42
7.4.15 Gas Ballast Valve 42
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