Ammonia Pump Maintenance Training · Teikoku Model R Ammonia Pump ... Teikoku Rotary Guardian (TRG)...

Containment, Reliability & Safety by Design

Maintenance Trainingfor

TeikokuModel R

Ammonia Pump

03-14-2011


Teikoku Pump Internals

•Centrifugal Pump•Single Stage•Enclosed Impeller•Stator & Rotor “Canned”•True Secondary

Containment•Product Lubricated &

Cooled Motor•Carbon Sleeve Bearings•304 SS w/ Hard Chrome

SleevesThrust Collars

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Teikoku Exploded View

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Teikoku Type RReverse Circulation

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Restriction OrificeRear Bearing Housing

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Teikoku Type R & RWReverse Circulation Piping Arrangement

Note 1:Piping must becontinuously risingNote 2:Piping must returnto vapor zoneNote 3:No check valvesallowed in pipingNote 4:Each pump musthave separate pipe

06-16-2012


Sleeve Bearing Details

Bearing WithSpiral Grooves Only

Bearing WithSpiral & Straight Grooves

Refer to pump specific cross sectional drawingfor correct Sleeve Bearing type and location

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Teikoku Type RCross Sectional Drawing

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TeikokuVertical Type R Cross

Sectional Drawing

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Teikoku Canned Motor Pumps

Precision Liquid Film BearingsLubrication Provided by RefrigerantLiquid Cooled Canned MotorTrue Secondary ContainmentDirection of Rotation IndicationTRG Bearing Wear Monitor

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Teikoku Rotary Guardian (TRG)

Pump Mounted Meter

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Teikoku TRG Volt Meter Scale

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GREENNormal Operation

YELLOW or REDStop Pump and Check for Possible Causes

Single PhaseUnbalanced Input PowerLoose Connections

PEGGED REDPump Rotating in Reverse DirectionPinched TRG WiresTCO Wires Connected to TRG Terminals

Initial Readings

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Checks Prior to Disassembly

Has the motor been meggered?Has the pump been decontaminated?Are you familiar with the pumped fluid?Has the Stator Can been breached?Is your work area clean?Do you have the required tools?

03-14-2011


Unbolt Pump Case / Volute

03-14-2011


Remove Pump Case / Volute

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Remove Pump Case Gasket

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Bend Down Impeller Lock Tab

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Remove Impeller Lock Bolt

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Slide Impeller Off Shaft

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Remove Key

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Remove Adjusting Washers(If Required)

Measure and Record Quantity and Thickness

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Unbolt Front Bearing Housing (Adapter)

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Loosen Front Bearing Housing

Jack Bolt Holes Facilitate Removal

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Remove Front Bearing Housing (Adapter)

Warning: Rotor & Shaft Sleeve may slide out03-14-2011


Unbolt Rear Bearing Housing

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Slide Out Rear Bearing Housing

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Remove Gasket

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Carefully Remove Rotor Assembly

CAUTION:Support Rotor AssemblyDo Not Allow Rotor Assemblyto Drop and Hit Stator Liner

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Visual Inspection

Check Filter & Circulation Pipe (If Required)Check Stator Liner for contact marks/wearCheck Rotor Liner for contact marks/wearCheck for wear, scratches & scoring on:• Shaft Sleeves• Thrust Collars• Bearings – Inside Bore• Bearings – Thrust Face

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Inspect & Record Bearing Wear

01-06-2011


Bend Down Lock Tab

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Remove Rear Lock BoltLeft Hand Threads

CAUTION:Left Hand Threads

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Remove Shaft Sleeves & Thrust Collars

WARNING:WARNING:Key/Pin may be loose Key/Pin may be loose and fall out unnoticedand fall out unnoticed

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Remove Set Screw From Front & Rear Bearing Housings

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Slide Out Bearing FromFront & Rear Bearing Housings

Note: Some heat on thebearing housing may beused to assist with theremoval of the bearing

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Remove Adjusting Washers fromRear Bearing Housing Only (If Required)

Measure and Record Thickness and Quantity

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Measure & Record Balance GrooveInside & Outside Diameters

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Measure & Record Impeller BackWear Ring Inside & Outside Diameters

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Measure & Record Impeller FrontWear Ring Outside Diameter

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Measure & Record Pump CaseWear Ring Inside Diameter

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RadialClearances

ChartHorizontal

Mount

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RadialClearances

ChartVerticalMount

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Reassembly of Pump

Insure that work space is cleanClean & dry all componentsInspect all componentsMegger check motorCheck resistance of windings

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Sleeve Bearing Details

Bearing WithSpiral Grooves Only

Bearing WithSpiral & Straight Grooves

Refer to pump specific cross sectional drawingRefer to pump specific cross sectional drawingfor correct Sleeve Bearing type and locationfor correct Sleeve Bearing type and location

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Install Adjusting Washers IntoRear Bearing Housing Only (If Required)

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Install Bearing IntoFront & Rear Bearing Housings

Flat washermust beinstalledas shown

V-Groovesmust belocated onoutside end

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Install Set Screw Into Front & Rear Bearing Housings

Make SureBearing IsSeated WhenTighteningSet Screw

Do not overtightenset screw

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Thrust Collar Detail

InboardSide

OutboardSide

Chamfer

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Install Shaft Sleeves & Thrust Collars

Line up slot in Thrust Collar& Shaft Sleeve to Pin

Outboard SideChamfer SideInboard Side

05-03-201003-14-2011


Install Shaft Sleeve Lock Bolt,Lock Washer & Flat Washer

Lock washer tabmust fit into slotand extend beyondface of flat washer

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Torque Lock Bolt – Refer to Chart

Left Hand Threads

Lock Washer tabmust fit into slot inShaft Sleeve

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TorqueValues

forBolting

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Bend Up Tabs on Lock Washer

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Check Front Rotor Shaft Sleevefor Proper Engagement into Pin/Key

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Verify Correct Installation of Sleeve

Correct Not Correct

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Carefully Slide Rotor into Stator

CAUTION:Support Rotor AssemblyDo Not Allow Rotor Assemblyto Drop and Hit Stator Liner

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Install Rear Gasket

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Install Rear Bearing Housing

Vent line/hole must belocated at top

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Install Rear Bearing Housing Bolting

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Torque Rear Bearing Housing BoltsCross Pattern - Refer to Chart

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Install Front Bearing Housing (Adapter)

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Install Front Bearing Housing Bolting

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Check Axial End Play (Playing Gap)Refer to Chart – Adjust as Required

Note: Rotor Must Rotate Freely Without Contact

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Axial End Play (Playing Gap)

01-06-2011


Verify Correct Installation of Sleeve

Correct Not Correct

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Install Adjusting Washers(If Required)

Warning: Make sure Shaft Sleeve is engaged in Pin/Key

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Install Impeller Key

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Install Impeller On Shaft

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Install Impeller Lock Bolt,Lock Washer & Flat Washer

Lock Washer tab mustfit into slot & extendbeyond face of flat washer

Lock washertab must fitinto keyway

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Torque Impeller Lock BoltRefer to Chart

Rotor Assembly Must Rotate Freely Without Contact

01-06-2011


0.25 ( +/- 0.010” )

01-06-2011

Measurement of Standard “g” GapTypes A or E


Pull Impeller Forward

Measurement of Standard “g” GapTypes A or E

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Tolerance of“g” Gap =

+/- 0.25 mm(+/- 0.010”)

Measurement“g” Gap

Standard DesignTypes A or E

01-06-2012


Bend up Tabs on Lock Washer

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Install Pump Case Gasket

01-06-2011


Install Pump Case / Volute

01-06-2011


Install Pump Case / Volute Bolting

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Torque Pump Case Volute BoltingUse Cross Pattern – Refer to Chart

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Check For Free Rotation

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Electrical Considerations

Thermal Cutout Devices IncorporatedBearing Monitors Functioning ProperlyMonitor Motor Amps and/or LoadSet Overload Relays at 1.10 to 1.15 Above Normal Operating Current

01-06-2011


Teikoku-USA Repair Centers

Field Service

Chempump959 Mearns RoadWarminster, PA 18974Terry Flynn(267) 468-1028

ChempumpState Route 2 NorthBelmont, WV 26134John Ebersbach(267) 486-1026

Teikoku USA5880 Bingle RoadHouston, TX 77092Paul Grogg(281) 246-2852

Teikoku USA5880 Bingle RoadHouston, TX 77092Keith Yutzy(713) 805-7574

03-09-2011

Ammonia Pump Maintenance Training · Teikoku Model R Ammonia Pump ... Teikoku Rotary Guardian (TRG)...

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Transcript of Ammonia Pump Maintenance Training · Teikoku Model R Ammonia Pump ... Teikoku Rotary Guardian (TRG)...