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TABLE OF CONTENTS

      Section   

 

 

 

 

 

 

 

         Page

Section 01 - Installation

 

1.10  Introduction   

 

 

 

 

 

 

4

Section 02 - Operation

 

2.10  Starting Procedures  

 

 

 

 

 

6

 

2.20  Operation and System Optimization 

 

 

 

6

 

 

2.21  High Pressure Operation   

 

 

 

7

 

 

2.22  Gas Ballast Principles and Usage  

 

 

7

 

 

2.23  System Leaks - Impact and Detection   

 

8

 

2.30  Shutdown Procedure 

 

 

 

 

 

8

Section 03 - Maintenance

 

3.10  Vacuum Problems   

 

 

 

 

 

9

 

3.20  Oil Changes and Oil Level  

 

 

 

 

10

 

3.30  Shaft Seal Replacement   

 

 

 

 

10

 

3.40  Repairing Oil Leaks  

 

 

 

 

 

11

 

3.50  Repairing Vacuum Leaks   

 

 

 

 

11

 

3.60  Drive Problems 

 

 

 

 

 

 

11

Section 04 - Trouble Shooting Guide

 

4.10  Poor Vacuum Readings   

 

 

 

 

12

 

4.20  Noisy Pump   

 

 

 

 

 

 

12

 

4.30  Excessive Oil Mist   

 

 

 

 

 

12

Section 05 - Quick Reference Chart

 

   

Chart 1 

 

 

 

 

 

 

 

13 

 

   

Chart 2 

 

 

 

 

 

 

 

13 

Section 06 - Dimenional Drawings (with rotation)

 

   

Vacuum Pump 

 

 

 

 

 

 

14

Section 07 - 

 

Pumping Speed Curves

 

 

Speed Curves 

 

 

 

 

 

 

15

Section 08 - Exploded Views and Parts Lists

 

 

Vacuum Pump 

 

 

 

 

 

 

16

 

 

Oil Case 

 

 

 

 

 

 

 

18

Section 09 - Accessory Section

 

   

Chart 1 

 

 

 

 

 

 

 

19 

 

   

Chart 2 

 

 

 

 

 

 

 

20 

Section 10 - MSDS - Sheets for DUOSEAL® OIL

 

   

MSDS-Sheet for 1407K   

 

 

 

 

21-27

Summary of Contents for Welch Duoseal 1402B-46

Page 1: ...pump body bursting and causing possible injury to personnel in the area Gardner Denver Inc Welch Vacuum Technology 5621 W Howard Street Niles IL 60714 Phone 847 676 8800 Fax 847 677 8606 Technical Su...

Page 2: ...ons are found where failure to observe the instruction could result in damage to the equipment associated equipment and process These units confirm to the SI International system of units of measureme...

Page 3: ...vel 10 3 30 Shaft Seal Replacement 10 3 40 Repairing Oil Leaks 11 3 50 Repairing Vacuum Leaks 11 3 60 Drive Problems 11 Section 04 Trouble Shooting Guide 4 10 Poor Vacuum Readings 12 4 20 Noisy Pump 1...

Page 4: ...SEAL pumps should be mounted in a horizontal plane 1 122 Unmounted Pumps If you have purchased an unmounted pump refer to parts list for information concerning the motor motor pulley and belt necessar...

Page 5: ...e gas flow is substantially molecular in character The gas flow is then dependent upon the kinetic activity of the molecules to bring it to the intake of the pump 1 162 The Effects of Conductance It h...

Page 6: ...e yourself with the function and action of the pump which you have now required Remove the intake and exhaust port plugs and temporarily provide a stopper for the intake and a dust cap for the exhaust...

Page 7: ...f the volume of the mixture this depending upon the amount of air added condensation of the vapor is wither entirely avoided or substantial reduced 2 223 Pump Function With Gas Ballast In a pump funct...

Page 8: ...rich in hydrogen and observing a sudden change in pressure on an electrical gauge The difference in calibration of these gauges for air and other gases will produce a distinct change in the pressure...

Page 9: ...a system must be thoroughly clean If the system is completely clean and free from leaks and unwarranted vacuum problems still exist the pump should be checked A simple criterion for the condition of a...

Page 10: ...rubber stopper Turn the pump on and run the pump for 10 minutes Close the gas ballast 8 Check the vacuum reading of the pump by connecting a thermocouple gauge tube to the pump s intake If the pump is...

Page 11: ...ng surfaces cleaned of any nicks 3 50 Repairing Vacuum Leaks 3 501 Surface Preparation Good Vacuum seals are an essential and important attribute of a good mechanical pump A good seal is dependent upo...

Page 12: ...t a forced oil flush 5 If noise level is still unsatisfactory consult with WELCH Technical Service at 847 676 8800 Ext 1 4 30 Excessive Oil Mist 1 Check oil level Maintain the level between the two li...

Page 13: ...l Requirements 3 1 Phase Replacement Parts Shaft Seal Lip Seal 1401D 01 Shaft Seal Mechanical Seal 1401D Air Filter Screen 41 0660 Intake Chamber Cover Gasket 41 0234 Oil Case Gasket 41 0403 Drain Plu...

Page 14: ...14 Section 6 DIMENSIONAL DRAWING...

Page 15: ...ange High RPM direct drive vacuum pumps on the other hand experience a rapid fall off of pumping speed below 100 microns A comparison of the DuoSeal pumping speed curves shown below versus high RPM pu...

Page 16: ...tion 8 EXPLODED VIEW 1 46 34 5 24 31 52 53 15 27 46 5 24 51 25 49 30 6 28 12 8 39 29 40 44 35 54 41 42 11 43 45 10 12 50 9 26 28 36 25 33 23 7 55 22 57 56 4 2 16 47 3 32 59 14 13 20 18 17 38 48 58 19...

Page 17: ...5 1 41 2175 SETSCREW 1 4 20 x 2 25 LG 16 1 41 0234 1 1 GASKET INTAKE CHAMBER COVER 46 6 41 2363 WASHER 5 16 ID x 1 2 OD 17 1 41 0403 1 1 GASKET OIL CASE 47 1 41 2757 LOCK NUT 18 1 41 0508 1 1 WASHER T...

Page 18: ...101 Parts List for Model 61 8101 Item Qty P N Description 1 2 61 2229A Oil Window Glass 2 1 61 2278 Drain Valve 3 2 61 2370 Oil Window Cover 4 1 61 8833 Oil Case Machined 5 4 62 1014 Screw 8 32x3 8 Fl...

Page 19: ...onnection kit Cat No 141601 for models1400 1405 1376 1380 1402 Standard Exhaust Filter Use with pump model Dimension Catalog Number Diameter Height Filter Replacement Element 1392 1399 1400 1376 1380...

Page 20: ...Height A2 Cat No 1 NW16 to 4 CFM 140 L min 3 75 5 25 8 25 541001 Stainless Steel Element for ISO NW 16 Trap 1 541921 Stainless Steel Element for ISO NW 25 and NW 40 Traps1 541922 Removable 3 quarter...

Page 21: ...significant adverse health effects are expected to occur upon short term exposure to this product Aspiration of liquid into the lungs can cause severe lung damage or death Eye Contact Minimal eye irri...

Page 22: ...ir Eye Contact Check for and remove contact lenses Flush eyes with cool clean low pressure water while occasionally lifting and lowering eyelids Seek medical attention if excessive tearing redness or...

Page 23: ...ct recovery or disposal Prevent entry into waterways or sewers In urban area cleanup spill as soon as possible In natural environments seek cleanup advice from specialists to minimize physical habitat...

Page 24: ...c vapor respirator equipped with a dust mist prefilter should be used Protection factors vary depending upon the type of respirator used Respirators should be usedin accordance with OSHA requirements...

Page 25: ...product However if spilled this product and any contaminated soil or water may be harmful to human animal and aquatic life Also the coating action associated with petroleum and petroleum products can...

Page 26: ...rd categories No SARA 311 312 Hazard categories identified SARA 313 This product contains the following components in concentrations above the minimis levels that are listed as toxic chemicals in 40 C...

Page 27: ...for Research on Cancer NTP National Toxicology ProgramNIOSH National Institute of Occupational Safety and Health OSHA Occupational Safety and Health Administration NPCA National Paint and Coating Man...

Page 28: ...um Technology and receipt or possession does not convey any rights to loan sell or otherwise disclose said information reproduction or use of said information for any purpose other than that in connec...

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