Bacharach QV2 Instruction
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Bacharach QV2 Instruction

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Vacuum Pump
Models QV2 & QV5
Instruction 2002-0010
Operation & Maintenance
Rev. 2 – February 2006
Product Leadership • Training • Service • Reliability

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Summary of Contents for Bacharach QV2

  • Page 1 Vacuum Pump Models QV2 & QV5 Instruction 2002-0010 Operation & Maintenance Rev. 2 – February 2006 Product Leadership • Training • Service • Reliability...
  • Page 2 WARRANTY Bacharach, Inc. warrants to Buyer that at the time of delivery this Product will be free from defects in material and manufacture and will conform substantially to Bacharach Inc.’s applicable speci- fications. Bacharach’s liability and Buyer’s remedy under this warranty are limited to the repair or replacement, at Bacharach’s option, of this Product or parts thereof returned to Seller at the factory...

  • Page 3: Table Of Contents

    Vacuum Pump Models QV2 & QV5 Contents Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Features.

  • Page 4: Introduction

    Vacuum Pump Models QV2 & QV5 Introduction Thank.you.for.selecting.Bacharach.products.for.your.refrigeration. equipment.needs ..To.ensure.your.safety,.and.for.the.safe.operation. of.this.equipment,.please.read,.understand,.and.follow.the.informa- tion.contained.in.this.instruction.manual .. The.Model.QV2.and.QV5.are.two-stage,.rotary.vane.vacuum. pumps.designed.to.evacuate.moisture.and.air.from.refrigeration. systems.(e .g .,.R-12,.R-22,.R-134a) . Features • Anti-oil-return.–.A.check.valve.prevents.pump-oil.from.entering. the.evacuated.system.after.the.pump.stops . • Environment protection.–.A.built-in.filter.eliminates.oil.mist,. and.an.oil-gas.separator.removes.oil.contamination.from.the. . e xhaust . • Aluminum alloy motor casing.–.The.motor.casing.is.an.alumi- num.alloy.that.has.high.rate.of.heat.dissipation,.which.provides. for.continuous.pump.operation ..

  • Page 5: Technical.characteristics

    Vacuum Pump Models QV2 & QV5 Technical Characteristics Model Part No. 2002-0001 2002-0005 Voltage 110V 60 Hz 110V 60 Hz Free Air 1.7 CFM 5. CFM Displacement Ultimate 25 microns 25 microns Vacuum (0.0 mbar) (0.0 mbar) Motor 1/4 HP...

  • Page 6: Operation

    Vacuum Pump Models QV2 & QV5 Operation Check.the.pump-oil.level.as.viewed.through.the.sight.glass.before. each.use ..Add.oil,.as.necessary,.by.first.unscrewing.the.exhaust. fitting.and.then.adding.oil.through.the.oil.fill.access.(use.only.high. grade.vacuum.pump.oil) . Remove.intake.fitting.cap.and.connect.pump.to.the.system.being. evacuated.using.a.hose.with.appropriate.fittings ..Keep.the.connec- tion.as.short.as.possible,.and.ensure.that.all.connections.are.sealed. and.not.leaking ..If.desired,.use.a.vacuum.gauge.manifold.set.to. monitor.the.vacuum.level . Remove.exhaust.fitting.cap;.plug.pump.into.an.appropriate.AC. outlet;.and.then.turn.ON.pump.to.being.the.evacuation.process . After.pumping.is.complete:.turn.OFF.pump;.disconnect.power.plug;. remove.connecting.hose;.and.reinstall.intake.and.exhaust.caps . Operating Precautions Warnings: •. Do.not.evacuate.combustible,.explosive,.or.poisonous.gases . •. Do.not.operate.the.vacuum.pump.in.the.rain . •. Do.not.pull.out.or.insert.power.plug,.or.turn.ON.the.pump.in.an. explosive.atmosphere .

  • Page 7: Cautions

    Vacuum Pump Models QV2 & QV5 Cautions: •. Do.not.evacuate.gases.that.corrode.metal.or.react.chemically. with.the.pump.oil . • If the air being evacuated contains dust or is above 175°F (80°C), then.a.filter.or.cooling.device.should.be.installed.at.the.pump’s. intake .. •. Do.not.operate.the.pump.for.more.than.3.minutes.with.the.in- take.open.to.the.atmosphere . •. For.proper.cooling.and.air.ventilation,.keep.the.sides.of.the. pump.at.least.1".(2.cm).away.from.walls,.and.allow.2".(5.cm).for. the.front.and.rear.of.the.pump . •. Do.not.lay.heavy.objects.on.the.power.cord,.or.allow.the.power. cord.to.become.pinched .

  • Page 8: Overload.protection

    .. Maintenance Precautions Keep.pump.clean.and.avoid.foreign.matter.from.entering.the.pump . Keep.the.vacuum.pump.oil.at.the.correct.level.during.normal. operation.as.viewed.through.the.sight.glass.—.do not run pump without oil . Replace.the.vacuum.pump.oil.if.the.oil.becomes.dirty.and.looks. turbid,.or.contains.water.or.other.volatile.matter ..Refer.to.Replac- ing the Vacuum Pump Oil.on.Page.8 . When.storing.the.pump,.install.the.intake.and.exhaust.caps.and. place.the.pump.in.dry.location . Only.qualified.technicians.should.attempt.to.disassemble.and.re- pair.the.vacuum.pump ..Service.performed.by.unauthorized.person- nel.during.the.warranty.period.will.void.the.pump's.warranty ..For. warranty repair, please call Bacharach Service at 724-334-5000. Instruction 2002-0010...

  • Page 9: Troubleshooting

    Vacuum Pump Models QV2 & QV5 Troubleshooting Problem Probable Cause Remedy Pump.does.not. Oil.level.low Add.oil.until.level.is.correct. produce.desired. as.viewed.through.sight.glass vacuum Oil.emulsified.or. Replace.with.fresh.high. dirty grade.vacuum.pump.oil Oil.inlet.or.oil.flow. Clean.oil.inlet.and.filtering. is.blocked screen System.leak Check.system.being.evacu- ated.for.leakage.and.repair Pump.too.small Check.the.size.of.system. being.evacuated.and.choose. proper.pump Pump.worn Contact.Bacharach.Service Oil.leakage Oil.tank.screws. Tighten.oil.tank.screws loose Oil.seal.or.tank. Contact.Bacharach.Service gasket.damaged...

  • Page 10: Replacing.the.vacuum.pump.oil

    Vacuum Pump Models QV2 & QV5 Replacing the Vacuum Pump Oil Using.clean,.fresh.vacuum.pump.oil.is.a.critical.part.of.achieving. the.desired.vacuum .. When.replacing.the.vacuum.pump.oil,.first.thin.down.the.oil.by. running the pump for 30 minutes with the intake closed. Stop.the.pump,.remove.the.exhaust.fitting,.remove.the.oil.drain. plug.and.allow.the.oil.to.drain .. Note:.The exhaust fitting must be removed to allow the oil to drain due to a one-way valve located inside the fitting.
  • Page 11 Vacuum Pump Models QV2 & QV5 Exhaust Fitting Oil Fill Access (remove Intake exhaust fitting) Fittings Sight Glass Oil Tank Oil Drain Plug Oil Fill Access Instruction 2002-0010...
  • Page 12 Headquarters: 621 Hunt Valley Circle, New Kensington, PA 15068 Ph: 724-4-5000 • Fax: 724-4-5001 • Toll Free: 800-76-4666 Website: www.bacharach-inc.com • E-mail: help@bacharach-inc.com Printed in U.S.A.

This manual is also suitable for:

Qv5

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