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A366-99-840

Issue C Original

Instructions

E2M175S and E2M275S Rotary Pump Service Kits

Description

Item Number

Clean and Overhaul Kit

A366-01-131

Blade Kit for E2M175S

A366-01-134

Blade Kit for E2M275S

A367-01-134

Summary of Contents for E2M175S

Page 1: ...9 840 Issue C Original Instructions E2M175S and E2M275S Rotary Pump Service Kits Description Item Number Clean and Overhaul Kit A366 01 131 Blade Kit for E2M175S A366 01 134 Blade Kit for E2M275S A367 01 134 ...

Page 2: ...use hazardous substances or produces by products which are dangerous to human health and safety for example chemically active biologically active or radioactive substances z Before working on a pump ensure that the correct personal protective equipment is available and being used Always wear safety goggles Wear a breather mask with positive air pressure and take other precautions if you believe th...

Page 3: ...ms for main oil box sub assembly 5 2 Kit items for inlet valve sub assembly 6 3 Kit items for oil box end plate and oil filter sub assembly 7 4 Kit items for gas ballast valve sub assembly 8 5 Kit items for oil distributor sub assembly 9 6 Kit items for HV stator sub assembly 10 7 Kit items for LV stator sub assembly 11 Tables Table Page 1 Clean and Overhaul Kit items 2 2 E2M175S Blade Kit items 4...

Page 4: ...This page has been intentionally left blank A366 99 840 Issue C Page ii Edwards Limited 2008 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited ...

Page 5: ...en you service the pump The items supplied in the kit are listed in Table 1 These items are shown in Figures 1 to 7 Instructions for the use of the kit are given in Section 3 z Use a Blade Kit together with a Clean and Overhaul Kit when you replace the rotary pump blades You must replace all the blade assembly items with those supplied in the appropriate Blade Kit The items supplied in the Blade K...

Page 6: ...side diameter X number of coils in a spring 5 Piston ring 1 13 O ring 1 0146 24 Viton 14 O ring 1 0171 15 O ring 1 0181 16 O ring 1 0331 17 Split pin 1 1 16 inch diameter x 1 inch long Stainless Steel 15 Valve pad 1 37 Piston face 1 47 Shaft seal sleeve 1 53 Felt ballast filter 2 58 Dowty seal 1 1 2 inch BSP 65 Ballast valve 1 77 Distributor gasket 1 78 Diaphragm 1 79 LV exhaust valve rubber 1 80 ...

Page 7: ...seal 1 1 inch BSP 113 Oil seal 1 Viton 114 Oil seal 3 Viton 117 O ring 1 111 118 O ring 2 0210 119 O ring 1 0213 120 O ring 2 0216 121 O ring 1 0239 122 O ring 2 0335 123 O ring 1 0340 124 O ring 1 0448 125 O ring 1 4A 126 O ring 3 0056 24 180 Exhaust valve rubber 1 E2M175S only 180 Exhaust valve rubber 1 E2M275S only 181 Lid gasket 1 E2M175S only 181 Lid gasket 1 E2M275S only 182 Knitmesh gasket ...

Page 8: ... Edwards Limited Kit Parts 2 2 Parts in the Blade Kits Table 2 E2M175S Blade Kit items Illustration Item Description Quantity supplied 239 HV blade 2 237 LV blade 2 238 Oil pump blade 1 Table 3 E2M275S Blade Kit items Illustration Item Description Quantity supplied 239 HV blade 2 237 LV blade 2 238 Oil pump blade 1 ...

Page 9: ... Edwards Limited 2008 All rights reserved Page 5 Edwards and the Edwards logo are trademarks of Edwards Limited Kit Parts A366 99 840 Issue C Figure 1 Kit items for main oil box sub assembly ...

Page 10: ...A366 99 840 Issue C Page 6 Edwards Limited 2008 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Kit Parts Figure 2 Kit items for inlet valve sub assembly ...

Page 11: ...ards Limited 2008 All rights reserved Page 7 Edwards and the Edwards logo are trademarks of Edwards Limited Kit Parts A366 99 840 Issue C Figure 3 Kit items for oil box end plate and oil filter sub assembly ...

Page 12: ...A366 99 840 Issue C Page 8 Edwards Limited 2008 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Kit Parts Figure 4 Kit items for gas ballast valve sub assembly ...

Page 13: ... Edwards Limited 2008 All rights reserved Page 9 Edwards and the Edwards logo are trademarks of Edwards Limited Kit Parts A366 99 840 Issue C Figure 5 Kit items for oil distributor sub assembly ...

Page 14: ... C Page 10 Edwards Limited 2008 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Kit Parts Figure 6 Kit items for HV stator sub assembly Supplied separately in the appropriate Blade Kit ...

Page 15: ...008 All rights reserved Page 11 Edwards and the Edwards logo are trademarks of Edwards Limited Kit Parts A366 99 840 Issue C Figure 7 Kit items for LV stator sub assembly Supplied separately in the appropriate Blade Kit ...

Page 16: ...5 mm you must replace the blades if you wish to obtain good vacuum performance Seal the used blades in a plastic bag and dispose of the blades in accordance with all local and national safety and environmental requirements 5 Reassemble the pump using the appropriate new gaskets supplied 6 Fill the rotary pump oil box with the correct quantity of new oil 7 The Clean and Overhaul Kit contains an exh...

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