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NOTICE

 

 

The above safety instruction tags were attached to your unit prior to shipment.  Do not remove, 
paint-over, or obscure in any manner. 

 

Failure to heed these warnings could result in serious bodily injury to the personnel operating and 
maintaining this equipment. 

 
 
 

SAFETY

 

 

1. Avoid excessive weight due to the pipings flanged to the pumps. 

 

2. Do not operate the pump without coupling guard.  Also, the starting with a wrong rotating 

direction could damage the pump. 

 

3. Never operate the pump with suction side open to air. 

 

4. Do not carry any maintenance while the pump is connected to the motor. 

 
 

SAFETY INSTRUCTIONS 

1. Do not operate before reading the

enclosed instruction manual. 

2. Use adequate protection warning 

and safety equipment necessary 

to protect against hazards involved 

in installation and operation of this 

equipment. 

 

WARNING CAUTI

ON 

WARNING 

WARNING 

 

     Heari ng 

          Protection 

     Requi red 

   Do  not touch 

   hot  surfaces 

  Keep body and 

  clothing away from 

 machine  openings 

  Do not operate 

  without guards in 

 place 

Summary of Contents for UDS Series

Page 1: ...INSTRUCTION MANUAL FOR SCREW TYPE DRY VACUUM PUMP UDS Series U S VACUUM PUMPS LLC Rev Sep 2013...

Page 2: ...ting with a wrong rotating direction could damage the pump 3 Never operate the pump with suction side open to air 4 Do not carry any maintenance while the pump is connected to the motor SAFETY INSTRUC...

Page 3: ...ANDLING PROCEDURE 2 1 ASSEMBLY OF PIPING 8 2 2 PIPING WORK 8 2 3 LINKAGE 9 2 4 PREPARATION FOR OPERATION 9 2 5 OPERATION 9 2 6 STOPPING 10 2 7 LUBRICATION 10 3 MAINTENANCE AND INSPECTION 3 1 GENERAL 1...

Page 4: ...e It has a perfect dynamic balance testing after the Screw is machined Timing Gear The timing gear is the most important part of the screw vacuum pump and it is necessary for turning the Screws with a...

Page 5: ...40A 1 50A 2 65A 2 100A 4 Outlet Connection JIS ANSI 40A 1 40A 1 50A 2 65A 2 Cooling water Max Supply Pressure Barg 7 7 7 7 Pressure Drop Bar 1 0 1 0 1 0 1 0 Flow Rate Liter min 5 10 10 15 10 15 15 20...

Page 6: ...r close main suction V V Dry run Cleaning purge This is to remove clean process gases condensed vapors from the pump which are build up inside the pump during the process These process materials build...

Page 7: ...Choke liners stricken here and they will help support it properly 4 Assure the level by using a level meter Check the levelness on the machined surface The levelness should be limited to 0 5mm in any...

Page 8: ...inside 4 Supply oil upto the red point of the oil gauge If oil runs short gear and bearing can seize and if oil is too much the temperature will rise excessively and can be cause of gear noise or som...

Page 9: ...nated specifications 2 6 Stopping 1 Shut off suction side main V V 2 If any corrosive gas has been inhaled introduce the atmosphere from suction side for 20 30 minutes before stopping to clean inside...

Page 10: ...y sound through stethoscope applied against the casing So make checks from time to time 4 In winter in cold regions whenever the pump is stopped let cooling water drained Freezing of water could damag...

Page 11: ...Water contamination on Front End cover Clean or not 8 Oil Leak Oil not leaked 9 Lubricant Replacement All Oil Grease in Front end cover Grease cover to be replaced 10 Amount and pressure of Cooling Wa...

Page 12: ...de of design parameters e g high temperature gases Troubles related to any modification done without approval of the vendor Troubles resulting from mis operation in the opinion of the vendor s service...

Page 13: ...Replace the Screw and Casing Check the pressure difference between Inlet and Outlet Adjust improper Screw clearance Adjust Timing Gear Make the Side Clearance larger Make the clearance between Screw...

Page 14: ...cuum level in full vacuum Is it normal Check Electric condition Voltage Amperage in full vacuum Is it acceptable Any abnormal noise Check operation temperature Is it normal Check lubricant color and l...

Page 15: ...ber or by individual part number Unit each Model Description Quantity UDS 180 250 500 UDS 75 Only Lip 2 Lip Seal 4 4 Speedi sleeve 1 1 Mechanical seal 2 2 Oil seal 1 1 single ball bearing 1 1 Angular...

Page 16: ...RIALIREMA RK SINOIDESCRIPTION 1 I ST D ICR99114 2 I STEEL 2 I STEEL SS400 SS400 SS400 SS400 SS400 DUCTILE ST D I 35x60 STEEL STEEL 2 DUCTILE 6 ITURCON QTI yIMATERIAL REfvtA RK S MATERIAL xrn I QUANTIT...

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