Change bars – Nova-Tech LMI Series G - SD Metering Pump User Manual

Page 4

Advertising
background image

ii

SECTION DESCRIPTION

PAGE

4.5 Corrective Maintenance ................................................................................................................... 16

4.5.1 Check Valve Assemblies Replacement: Liquid Ends SD2 and SD4 - PVC, PVDF, and

H

2

SO

4

........................................................................................................................................ 16

4.5.2 Check Valve Replacement: Liquid End Sizes SD2 and SD4 - Polymer ............................. 17

4.5.3 Check Valve Replacement: Liquid End Sizes SD2 and SD4 - Metallic .............................. 17

4.5.4 Check Valve Replacement: Liquid End Sizes SD4 - Slurry ................................................. 18

4.5.5 Replacement of Ball, Seat, and Seal: Liquid End SD7 and SD8 - PVC and PVDF ........... 18

4.5.6 Check Valve Replacement: Liquid End Size SD7 and SD8 - Polymer .............................. 19

4.5.7 Check Valve Replacement: Liquid End Size SD7 and SD8 - Slurry .................................. 19

4.5.8 Check Valve Replacement: Liquid End Size SD7 and SD8 - Stainless Steel .................. 19

4.6 Diaphragm and Oil Seal Bellows Replacement ........................................................................... 20

4.6.1 Diaphragm Replacement: Liquid End Size SD2 ................................................................. 20

4.6.2 Diaphragm Replacement: Liquid End Size SD4, SD7, and SD8 ....................................... 20

4.7 Oil Seal Bellows Replacement ....................................................................................................... 21

4.8 Restarting the Pump ........................................................................................................................ 22

5.0 PARTS LIST ............................................................................................................................................. 23

5.1 Parts List for Drive ............................................................................................................................ 25

5.2 Parts List for D2 Plastic Liquid End PVC, PVDF, H

2

SO

4

, and Polymer-NPT / PVC,

PVDF - Tubing ................................................................................................................................... 27

5.3 Parts List for SD2 Metallic Liquid End Stainless Steel-NPT .......................................................... 28

5.4 Parts List for SD4 Metallic Liquid End Stainless Steel-NPT .......................................................... 29

5.5 Parts List for SD4 Plastic Liquid End PVC, PVDF, H

2

SO

4

, Slurry, and Polymer-NPT / PVC,

PVDF, and H

2

SO

4

- Tubing ................................................................................................................ 31

5.6 Parts List for SD7 and SD8 Plastic Liquid End PVC-NPT / Tubing, PVDF-NPT, Polymer-NPT,

Slurry-NPT, & H

2

SO

4

-NPT .................................................................................................................. 35

5.7 Parts List for SD7 and SD8 316SS-NPT Liquid End ........................................................................ 38

6.0 TROUBLESHOOTING ...............................................................................................................................

Change Bars

The areas in this manual which are different from previous editions are marked with change bars (as
shown to the right of this paragraph) to indicate the addition of new or revised information.

39

Advertising