Teikoku - svasd.com

Containment, Reliability & Safety by Design
Maintenance Training
for
Teikoku
Model 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
Sleeves
Thrust Collars
03-14-2011
Containment, Reliability & Safety by Design
Teikoku Exploded View
03-14-2011
Containment, Reliability & Safety by Design
Teikoku Type R
Reverse Circulation
03-14-2011
Containment, Reliability & Safety by Design
Teikoku Type R
Reverse Circulation
03-14-2011
Containment, Reliability & Safety by Design
Restriction Orifice
Rear Bearing Housing
03-14-2011
Containment, Reliability & Safety by Design
Teikoku Type R & RW
Reverse Circulation Piping Arrangement
Note 1:
Piping must be
continuously rising
Note 2:
Piping must return
to vapor zone
Note 3:
No check valves
allowed in piping
Note 4:
Each pump must
have separate pipe
06-16-2012
Containment, Reliability & Safety by Design
Sleeve Bearing Details
Bearing With
Spiral Grooves Only
Bearing With
Spiral & Straight Grooves
Refer to pump specific cross sectional drawing
for correct Sleeve Bearing type and location
03-14-2011
Containment, Reliability & Safety by Design
Teikoku Type R
Cross Sectional Drawing
03-14-2011
Containment, Reliability & Safety by Design
Teikoku
Vertical
Type R
Cross
Sectional
Drawing
03-14-2011
Containment, Reliability & Safety by Design
Teikoku Canned Motor Pumps
03-14-2011
z
Precision Liquid Film Bearings
z
Lubrication Provided by Refrigerant
z
Liquid Cooled Canned Motor
z
True Secondary Containment
z
Direction of Rotation Indication
z
TRG Bearing Wear Monitor
Containment, Reliability & Safety by Design
Teikoku Rotary Guardian (TRG)
Pump Mounted Meter
03-14-2011
Containment, Reliability & Safety by Design
Teikoku Rotary Guardian (TRG)
03-14-2011
Containment, Reliability & Safety by Design
Teikoku TRG Volt Meter Scale
03-14-2011
Containment, Reliability & Safety by Design
Teikoku Rotary Guardian (TRG)
Initial Readings
GREEN
Normal Operation
YELLOW or RED
Stop Pump and Check for Possible Causes
Single Phase
Unbalanced Input Power
Loose Connections
PEGGED RED
Pump Rotating in Reverse Direction
Pinched TRG Wires
TCO Wires Connected to TRG Terminals
03-14-2011
Containment, Reliability & Safety by Design
Checks Prior to Disassembly
03-14-2011
z
Has the motor been meggered?
z
Has the pump been decontaminated?
z
Are you familiar with the pumped fluid?
z
Has the Stator Can been breached?
z
Is your work area clean?
z
Do you have the required tools?
Containment, Reliability & Safety by Design
Unbolt Pump Case / Volute
03-14-2011
Containment, Reliability & Safety by Design
Remove Pump Case / Volute
03-14-2011
Containment, Reliability & Safety by Design
Remove Pump Case Gasket
03-14-2011
Containment, Reliability & Safety by Design
Bend Down Impeller Lock Tab
03-14-2011
Containment, Reliability & Safety by Design
Remove Impeller Lock Bolt
03-14-2011
Containment, Reliability & Safety by Design
Slide Impeller Off Shaft
03-14-2011
Containment, Reliability & Safety by Design
Remove Key
03-14-2011
Containment, Reliability & Safety by Design
Remove Adjusting Washers
(If Required)
Measure and Record
Quantity and Thickness
03-14-2011
Containment, Reliability & Safety by Design
Unbolt Front Bearing Housing (Adapter)
03-14-2011
Containment, Reliability & Safety by Design
Loosen Front Bearing Housing
Jack Bolt Holes Facilitate Removal
03-14-2011
Containment, Reliability & Safety by Design
Remove Front Bearing Housing (Adapter)
Warning: Rotor & Shaft Sleeve may slide out
03-14-2011
Containment, Reliability & Safety by Design
Unbolt Rear Bearing Housing
03-14-2011
Containment, Reliability & Safety by Design
Slide Out Rear Bearing Housing
03-14-2011
Containment, Reliability & Safety by Design
Remove Gasket
03-14-2011
Containment, Reliability & Safety by Design
Carefully Remove Rotor Assembly
CAUTION:
Support Rotor Assembly
Do Not Allow Rotor Assembly
to Drop and Hit Stator Liner
03-14-2011
Containment, Reliability & Safety by Design
Visual Inspection
z
Check Filter & Circulation Pipe (If Required)
z
Check Stator Liner for contact marks/wear
z
Check Rotor Liner for contact marks/wear
z
Check for wear, scratches & scoring on:
• Shaft Sleeves
• Thrust Collars
• Bearings – Inside Bore
• Bearings – Thrust Face
03-14-2011
Containment, Reliability & Safety by Design
Inspect & Record Bearing Wear
01-06-2011
Containment, Reliability & Safety by Design
Bend Down Lock Tab
03-14-2011
Containment, Reliability & Safety by Design
Remove Rear Lock Bolt
Left Hand Threads
CAUTION:
Left Hand Threads
03-14-2011
Containment, Reliability & Safety by Design
Remove Shaft Sleeves & Thrust Collars
WARNING:
Key/Pin may be loose
and fall out unnoticed
03-14-2011
Containment, Reliability & Safety by Design
Remove Set Screw From
Front & Rear Bearing Housings
03-14-2011
Containment, Reliability & Safety by Design
Slide Out Bearing From
Front & Rear Bearing Housings
Note: Some heat on the
bearing housing may be
used to assist with the
removal of the bearing
03-14-2011
Containment, Reliability & Safety by Design
Remove Adjusting Washers from
Rear Bearing Housing Only (If Required)
Measure and Record
Thickness and Quantity
03-14-2011
Containment, Reliability & Safety by Design
Measure & Record Balance Groove
Inside & Outside Diameters
03-14-2011
Containment, Reliability & Safety by Design
Measure & Record Impeller Back
Wear Ring Inside & Outside Diameters
03-14-2011
Containment, Reliability & Safety by Design
Measure & Record Impeller Front
Wear Ring Outside Diameter
03-14-2011
Containment, Reliability & Safety by Design
Measure & Record Pump Case
Wear Ring Inside Diameter
03-14-2011
Containment, Reliability & Safety by Design
Radial
Clearances
Chart
Horizontal
Mount
03-14-2011
Containment, Reliability & Safety by Design
Radial
Clearances
Chart
Vertical
Mount
03-14-2011
Containment, Reliability & Safety by Design
Reassembly of Pump
z Insure
z Clean
& dry all components
z Inspect
all components
z Megger
check motor
z Check
03-14-2011
that work space is clean
resistance of windings
Containment, Reliability & Safety by Design
Sleeve Bearing Details
Bearing With
Spiral Grooves Only
Bearing With
Spiral & Straight Grooves
Refer to pump specific cross sectional drawing
for correct Sleeve Bearing type and location
03-14-2011
Containment, Reliability & Safety by Design
Install Adjusting Washers Into
Rear Bearing Housing Only (If Required)
03-14-2011
Containment, Reliability & Safety by Design
Install Bearing Into
Front & Rear Bearing Housings
Flat washer
must be
installed
as shown
V-Grooves
must be
located on
outside end
03-14-2011
Containment, Reliability & Safety by Design
Install Set Screw Into
Front & Rear Bearing Housings
Make Sure
Bearing Is
Seated When
Tightening
Set Screw
Do not over
tighten
set screw
03-14-2011
Containment, Reliability & Safety by Design
Thrust Collar Detail
Chamfer
Outboard
Side
03-14-2011
Inboard
Side
Containment, Reliability & Safety by Design
Install Shaft Sleeves & Thrust Collars
Outboard Side
Chamfer Side
Inboard Side
Line up slot in Thrust Collar
& Shaft Sleeve to Pin
03-14-2011
05-03-2010
Containment, Reliability & Safety by
Design
Install Shaft Sleeve Lock Bolt,
Lock Washer & Flat Washer
Lock washer tab
must fit into slot
and extend beyond
face of flat washer
03-14-2011
Containment, Reliability & Safety by Design
Torque Lock Bolt – Refer to Chart
Left Hand
Threads
03-14-2011
Lock Washer tab
must fit into slot in
Shaft Sleeve
Containment, Reliability & Safety by Design
Torque
Values
for
Bolting
03-14-2011
Containment, Reliability & Safety by Design
Bend Up Tabs on Lock Washer
03-14-2011
Containment, Reliability & Safety by Design
Check Front Rotor Shaft Sleeve
for Proper Engagement into Pin/Key
03-14-2011
Containment, Reliability & Safety by Design
Verify Correct Installation of Sleeve
Correct
03-14-2011
Not Correct
Containment, Reliability & Safety by Design
Carefully Slide Rotor into Stator
CAUTION:
Support Rotor Assembly
Do Not Allow Rotor Assembly
to Drop and Hit Stator Liner
03-14-2011
Containment, Reliability & Safety by Design
Install Rear Gasket
03-14-2011
Containment, Reliability & Safety by Design
Install Rear Bearing Housing
Vent line/hole
must be
located at top
03-14-2011
Containment, Reliability & Safety by Design
Install Rear Bearing Housing Bolting
03-14-2011
Containment, Reliability & Safety by Design
Torque Rear Bearing Housing Bolts
Cross Pattern - Refer to Chart
03-14-2011
Containment, Reliability & Safety by Design
Install Front Bearing Housing (Adapter)
03-14-2011
Containment, Reliability & Safety by Design
Install Front Bearing Housing Bolting
03-14-2011
Containment, Reliability & Safety by Design
Check Axial End Play (Playing Gap)
Refer to Chart – Adjust as Required
Note: Rotor Must Rotate
Freely Without Contact
03-14-2011
Containment, Reliability & Safety by Design
Axial End Play (Playing Gap)
01-06-2011
Containment, Reliability & Safety by Design
Verify Correct Installation of Sleeve
Correct
03-14-2011
Not Correct
Containment, Reliability & Safety by Design
Install Adjusting Washers
(If Required)
Warning: Make sure Shaft Sleeve is engaged in Pin/Key
03-14-2011
Containment, Reliability & Safety by Design
Install Impeller Key
03-14-2011
Containment, Reliability & Safety by Design
Install Impeller On Shaft
03-14-2011
Containment, Reliability & Safety by Design
Install Impeller Lock Bolt,
Lock Washer & Flat Washer
Lock Washer tab must
fit into slot & extend
beyond face of
flat washer
03-14-2011
Lock washer
tab must fit
into keyway
Containment, Reliability & Safety by Design
Torque Impeller Lock Bolt
Refer to Chart
Rotor Assembly Must Rotate Freely Without Contact
01-06-2011
Containment, Reliability & Safety by Design
Measurement of Standard “g” Gap
Types A or E
0.25
01-06-2011
( +/- 0.010” )
Containment, Reliability & Safety by Design
Measurement of Standard “g” Gap
Types A or E
Pull Impeller Forward
01-06-2011
Containment, Reliability & Safety by Design
Measurement
“g” Gap
Standard Design
Types A or E
Tolerance of
“g” Gap =
+/- 0.25 mm
(+/- 0.010”)
01-06-2012
Containment, Reliability & Safety by Design
Bend up Tabs on Lock Washer
01-06-2011
Containment, Reliability & Safety by Design
Install Pump Case Gasket
01-06-2011
Containment, Reliability & Safety by Design
Install Pump Case / Volute
01-06-2011
Containment, Reliability & Safety by Design
Install Pump Case / Volute Bolting
01-06-2011
Containment, Reliability & Safety by Design
Torque Pump Case Volute Bolting
Use Cross Pattern – Refer to Chart
01-06-2011
Containment, Reliability & Safety by Design
Check For Free Rotation
01-06-2011
Containment, Reliability & Safety by Design
Electrical Considerations
z
Thermal Cutout Devices Incorporated
z
Bearing Monitors Functioning Properly
z
Monitor Motor Amps and/or Load
z
01-06-2011
Set Overload Relays at 1.10 to 1.15
Above Normal Operating Current
Containment, Reliability & Safety by Design
Teikoku-USA Repair Centers
Chempump
959 Mearns Road
Warminster, PA 18974
Terry Flynn
(267) 468-1028
Field Service
Teikoku USA
5880 Bingle Road
Houston, TX 77092
Keith Yutzy
(713) 805-7574
03-09-2011
Chempump
State Route 2 North
Belmont, WV 26134
John Ebersbach
(267) 486-1026
Teikoku USA
5880 Bingle Road
Houston, TX 77092
Paul Grogg
(281) 246-2852
Containment, Reliability & Safety by Design