Quincy-compressor 50093-103 User Manual

QSVI Series Rotary Screw Vacuum PumpInstruction ManualThis manual contains important safety information and should be made available to all personnel

4Technical Data Sheet - QSVI 25General SpecificationsDrive Motor...

5Fluid SystemMethod of Lubrication ...

6Technical Data Sheet - QSVI 40General SpecificationsDrive Motor...

7Fluid SystemMethod of Lubrication ...

8Technical Data Sheet - QSVI 50General SpecificationsDrive Motor...

9Fluid SystemMethod of Lubrication ...

10Technical Data Sheet - QSVI 75General SpecificationsDrive Motor...

11Fluid SystemMethod of Lubrication ...

12Technical Data Sheet - QSVI 100General SpecificationsDrive Motor...

13Fluid SystemMethod of Lubrication ...

14Technical Data Sheet – QSVI 200General SpecificationsDrive Motor...

15Fluid SystemMethod of Lubrication ...

16QSVI 25 AIR-COOLED DIMENSIONAL DRAWING

17QSVI 25 WATER-COOLED DIMENSIONAL DRAWING

18QSVI 40 AIR-COOLED DIMENSIONAL DRAWING

19QSVI 40 WATER-COOLED DIMENSIONAL DRAWING

20QSVI 50 AIR-COOLED DIMENSIONAL DRAWING

21QSVI 50 WATER-COOLED DIMENSIONAL DRAWING

22QSVI 75 AIR-COOLED DIMENSIONAL DRAWING

23QSVI 75 WATER-COOLED DIMENSIONAL DRAWING

iTable of ContentsStandard Warranty...

24QSVI 100 AIR-COOLED DIMENSIONAL DRAWING

25QSVI 100 WATER-COOLED DIMENSIONAL DRAWING

26QSVI 200 AIR-COOLED DIMENSIONAL DRAWING

27QSVI 200 WATER-COOLED DIMENSIONAL DRAWING

28Section 1∗ Safety Precautions∗ Installation HintsSafety Precautions and WarningsListed are some, but not all, cautions that must beobserved with vac

29• The fluid in the vacuum pump is the most criticalcomponent. Most vacuum pump failures are the resultof contaminated or deteriorated fluid. Follo

30Section 2 - Description∗ QSVI Vacuum Pumps∗ Principles of Vacuum Pump Operation∗ Air Flow∗ Fluid Flow & Cooling System∗ Fluid Coolers∗ Air/Fluid

31Air FlowDuring pump operation, a vacuum is produced at thepump inlet. Air entering flows through the air inlet valveinto the rotor housing where it

32The control system remains in this state until the vacuumlevel in the plant system increases to 20” HgV, at whichpoint the vacuum regulator permits

33! WARNING !Never assume it is safe to work on the unitbecause it is not operating. It may be in theautomatic stand-by mode and could restart at any

ii8.) Auto Dual with Modulation...329.) Auto/Demand...

34Air/Fluid Separator Differential Gauge - Indicatespressure differential across the air/fluid separator element.Used to determine separator element c

35Section 3 – Installation∗ Receiving∗ Moving the unit to the Installation Site∗ Location∗ Piping Connections∗ Safety Relief Valves∗ Coupling Alignmen

36! WARNING !Under no circumstances should a vacuum pumpbe installed in an area that may be exposed totoxic, volatile or corrosive atmosphere, norshou

37Pressure relief valves are sized to protect the system.Never change the pressure setting or tamper with thevalve. Only the relief valve manufacture

38Cooling WaterCooling water should be clean and cool. Scale forming orcorrosive water will shorten the life of water-cooledcoolers. If there is any d

39Fluid LevelThe vacuum pump is filled at the factory with the correctamount of QUINSYN® fluid. The fluid level is monitoredby a fluid level indicator

40Section 4 - Procedures∗ Prior to Starting∗ Starting the Vacuum Pump∗ Stopping the Vacuum Pump – Normal Operation∗ Stopping the Vacuum Pump – Emergen

41! CAUTION !Any piping, valves etc. which are attached to thevacuum pump inlet must be clean so as to preventdebris from entering the vacuum pump inl

42Stopping the Vacuum Pump - Normal OperationAll that is normally necessary for stopping the vacuumpump is to push the “stop” button. It is advisable

43 Section 5 – Maintenance or ServicePreparationPreparing for Maintenance or Service! WARNING !Never assume the vacuum pump is ready formaintenance or

iii8.) Fluid Scavenging System...489.) Inlet Air Filter .

44 Section 6 - Servicing∗ Safety∗ Lubrication∗ Fluid Specifications∗ Fluid Life∗ Understanding the Analysis Report∗ Vacuum Pump Fluid Filter∗ Vacuum P

45!CAUTION!Do not mix QUINSYN® with any other fluid.Failure to follow these recommendations willcause severe fluid breakdown, resulting in theformatio

46

47QUINSYN® /QUINSYN F® SpecificationsProperty Units ASTM-Method New Lubricant Marginal UnacceptableViscosity @40°CCst D-445 42-48 38-42 or 48-52 <3

48Vacuum Pump Fluid FilterThe fluid filter is a spin on, full flow unit with a highefficiency, micro-fiberglass media. Replacement of thefilter requi

49Inlet Air FilterServicing of the induction filtration system shall be asrecommended by the supplier of the particular systemselected for your applic

50QSVI compressor units incorporate a fluid scavengesystem to complement the use of the triple lip sealassembly. Any complaint of shaft seal leakage r

514.) Preheat the seal wear sleeve to 350°F in a small oven.Do not preheat in warm oil. Apply a thin film ofLOCTITE to the inner diameter of the wear

52Section 7 - Service AdjustmentsDifferential Pilot ValveOpen a manual vent valve on the inlet to the vacuumpump and start the unit. By manual regulat

53Correcting Angular Misalignment (side view)1.) With the indicator point on the face of the motor half,zero the indicator.2.) Rotate the entire ass

54In many instances, the cooling water supply for the heatexchanger will contain impurities dissolved in solutionand/or in suspension. These substance

55Section 8 – TroubleshootingFAILURE TO STARTPROBABLE CAUSE CORRECTIONPower not turned "ON" Turn the power "ON" by closing the mai

56UNSCHEDULED SHUTDOWNPROBABLE CAUSE CORRECTIONHigh air discharge temperature Correct the situation in accordance with the instruction in the"Hig

57POOR PROCESS PRESSUREPROBABLE CAUSE CORRECTIONLeak Leak check system and compare to original rate of risepressure test. Look for damaged gaskets and

58POOR PUMPING SPEED (Capacity)PROBABLE CAUSE CORRECTIONClogged inlet filter Replace inlet filter element.Intake line is narrow or containsrestriction

59HIGH DISCHARGE TEMPERATURE AND/OR HIGH FLUID TEMPERATUREPROBABLE CAUSE CORRECTIONCabinet panels removed Replace all panels, ensure all sealing surfa

60INLET VALVE NOT OPENING OR CLOSING IN RELATION TO SYSTEM DEMANDPROBABLE CAUSE CORRECTIONImproper setting of vacuum pressureswitch or faulty switchAd

61VACUUM PUMP WILL NOT TIME-OUT OR SHUT DOWN WHEN UNLOADEDPROBABLE CAUSE CORRECTIONFaulty timer Check and replace as necessary.Loose wire connections

62UNIT OPERATING WITH HIGH DISCHARGE TEMPERATURESPROBABLE CAUSE CORRECTIONClogged fluid cooler Check fluid cooler for varnishing and rust deposits. If

63FLUID SURGES INTO VACUUM LINE AFTER SHUT-DOWNPROBABLE CAUSE CORRECTIONInlet valve not closing properly Check and repair. Install auxiliary check val

1Standard WarrantyQuincy Compressor DivisionIndustrial Screw ProductsQSVI Packaged Vacuum Pumps, Airends,Remanufactured Airends andVacuum Pump PartsSe

64INSTALLATION INSTRUCTIONSSAE Straight Thread O-Ring Fitting (Adjustable)1. Inspect all mating surfaces for burrs, nicks, scratches or any foreign p

655. Back fitting off to desired position. Do not turn fitting more than one turn. (See drawing below)SAE Straight Thread O-Ring Fitting (Nonadjustab

66Installation Instructions1. Install SAE o-ring on port end of fitting.2. Make sure both threads and scaling surfaces are free of burrs, nicks and

674. Back off look nut as far as possible. Make sure back-up washer is not loose and is pushed up as far as possible.5. Screw fitting. Hand tighten

68Section 9 - Maintenance ScheduleINTERVAL ACTIONPeriodically/Daily - 8 hours maximumMonitor all gauges and indicators for normal operation.Check flui

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2SAFETY HAZARD SYMBOLSImportant!Throughout this manual we have identified key hazards. The following symbols identifythe level of hazard seriousness.

3! WARNING !Read this manual and follow all instructions prior to installing oroperating this compressor.NOTICEThese instructions, precautions and des