Sundyne LMV-333 Manual

SUNDYNE
LMV-333 PUMPS
Instruction and Operation
Manual
August 2007

Copyright
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means,
electronic, mechanical, photocopying, recording or otherwise without the prior permission of Sundyne Corporation.
© 2007Sundyne Corporation
Warranty
Sundyne Corporation warrants to Buyer for a period of twelve (12) months from the date of being placed in service (but not to exceed eighteen
(18) months after the date of shipment) that the equipment at the time of shipment will be free from defects of design, material and workmanship.
If any defects or malperformance occur during the warranty period, Sundyne’s sole obligation shall be limited to alteration, repair or replacement
at Sundyne’s expense, F.O.B. Factory, of parts or equipment, which upon return to Sundyne and upon Sundyne’s examination prove to be
defective. Equipment and accessories not manufactured by Sundyne are warranted only to the extent of and by the original manufacturers’
warranty. Sundyne shall not be liable for damage or wear to equipment caused by abnormal conditions, vibration, failure to properly prime or to
operate equipment without flow or caused by corrosives, abrasives or foreign objects. THE FOREGOING WARRANTY IS EXCLUSIVE AND
IN LIEU OF ALL OTHER WARRANTIES, WHETHER EXPRESSED OR IMPLIED INCLUDING ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. In no event shall Sundyne be liable for consequential or incidental
damages.

i
TABLE OF CONTENTS
Title Page
Introduction.......................................................................................................................................................1
SECTION I
Installation.........................................................................................................................................................1
Inspection...................................................................................................................................................1
Storage.......................................................................................................................................................1
Long-Term Storage....................................................................................................................................1
Suction and Discharge Piping....................................................................................................................1
Seal Environmental Control System..........................................................................................................2
Gearbox Heat Exchanger...........................................................................................................................2
Driver and Coupling ...................................................................................................................................2
Location......................................................................................................................................................2
Mounting.....................................................................................................................................................2
Alignment ...................................................................................................................................................2
Piping Connections....................................................................................................................................2
Diffuser Cavity Vent ...................................................................................................................................2
SECTION II
Lube Oil Systems..............................................................................................................................................3
Optional Lube Oil System Auxiliaries.........................................................................................................3
SECTION III
Starting .............................................................................................................................................................5
Start-Up Procedures ..................................................................................................................................5
Pump Control During Start-Up...................................................................................................................6
Critical Start-Up Check List........................................................................................................................6
SECTION IV
Servicing...........................................................................................................................................................7
Gearbox Oil Level ......................................................................................................................................7
Oil Pressure ...............................................................................................................................................7
Gearbox Oil and Filter Change..................................................................................................................8
Seal Leakage .............................................................................................................................................8
Anti-friction Ball Bearings...........................................................................................................................8
Driver..........................................................................................................................................................8
Flexible Coupling........................................................................................................................................8
Service Check Points.................................................................................................................................9
SECTION V
Operation and Control....................................................................................................................................19
Operation of Sundyne Pumps`.................................................................................................................19
Control of Sundyne Pumps......................................................................................................................20
SECTION VI
Troubleshooting..............................................................................................................................................21
Pump and Gearbox Troubleshooting.......................................................................................................21
Pump Mechanical Seal Troubleshooting .................................................................................................24

ii
TABLE OF CONTENTS (Continued)
Title Page
SECTION VII
Maintenance...................................................................................................................................................27
Pump and Gearbox Disassembly ............................................................................................................27
Mechanical Seals.....................................................................................................................................45
Gearbox Overhaul....................................................................................................................................49
Pump Assembly and Clearance Adjustments..........................................................................................51
Torque Values..........................................................................................................................................55
Special Tool Details .................................................................................................................................56

iii
INTRODUCTION & SAFETY
Equipment and Safety Precautions
Sundyne Corporation manufactures centrifugal
pumps to exacting International Quality
Management System Standards (ISO 9001) as
certified and audited by Lloyd’s Register Quality
Assurance Limited. Genuine parts and
accessories are specifically designed and tested
for use with these products to ensure continued
product quality and performance. Sundyne
cannot test all parts and accessories sourced
from other vendors; incorrect design and/or
fabrication of such parts and accessories may
adversely affect the performance and safety
features of these products. Failure to properly
select, install or use authorized Sundyne pump
parts and accessories is considered misuse and
damage or failure caused by misuse is not
covered by Sundyne’s warranty. Additionally,
modification of Sundyne products or removal of
original components may impair the safety of
these products and their effective operation.
Note: Sundyne pumps may handle
hazardous, flammable, and/or toxic
fluids. Proper personal protective
equipment should be worn. Precautions
must be taken to prevent physical
injury. Pumpage must be handled and
disposed of in accordance with
applicable environmental regulations.
Note: Safety procedures must be applied
prior to any installation, maintenance,
or repair of a Sundyne pump. Failure to
follow safety precautions may lead to
injury!
Wearing Personal Protective
Equipment
To ensure safety, protective equipment must be
worn at all times when installing, performing
maintenance, or repairing equipment. The
following safety recommendations must be
adhered to for optimum safety:
• Safety glasses, with the minimum
requirement of side shields, must be worn
at all times.
• Steel-toed shoes must be worn when
lifting equipment greater than 15 pounds
(7 kg) or if pallet jacks or forklifts are
operated.
• Hearing protection is strongly
recommended at all times when noise
levels exceed 85 dB during an eight (8.0)
hour period.
Note: Chemical resistant gloves must be used
if chemicals are utilized (refer to Using
Chemicals for additional information).
Note: A dust mask respirator must be worn if
chemicals have warning labels
regarding fumes, dust, or mists.
When using more than one piece of protective
equipment, consider their compatibility. For
example, safety glasses will not interfere with
hearing protection equipment. Be sure to clean
all pieces of personal protective equipment
immediately after each use.

iv
Using Forklifts
Any persons operating a forklift must have an
active recognized operator license.
Note: Before initializing forklift operation,
verify that the lift is in a safe operating
position.
Ensuring Electrical Safety
All electrical sources must be powered-off
before installation, service, or repair of
equipment occurs.
Note: Sundyne recommends that a Lock-
out/Tag-out program be followed prior
to altering the equipment. Locks or
tags must be provided to warn
employees that equipment is
temporarily unavailable.
Once all work has been completed, the person
installing the lock or tag must remove it
according to company procedure.
Testing Equipment
Prior to performing a test on newly installed,
maintained, or repaired equipment; all personnel
in the immediate area must be warned.
Note: Follow company procedures prior to
equipment testing at all times.
Using Chemicals
Any chemicals to be used must be accompanied
by a relevant material safety data sheet (MSDS),
in accordance with government legislation. If
applicable, use chemical proof gloves.
Note: An eye wash station (or equivalent)
should be available in the event of
injury. If any hazardous or flammable
chemicals pass through the equipment,
a complete decontamination of the
equipment is required.
Protection from Falling
Fall protection and associated preventative
measures are required when working on
equipment located six feet or higher from the
ground.
Note: Follow company fall prevention
procedures prior to working on
equipment.
Preventative Machine Guards
Preventative guards must remain in place on all
equipment.
Note: Only remove the guards while
performing maintenance or repair.
Replace the guards immediately after working
on the equipment and prior to start up.
EXPLOSION/FIRE HAZARD
Never use an acetylene torch, open flame, or
heat to attempt to remove parts that have seized
together in Sundyne equipment. Any residual
process gas or liquid that is flammable can
result in an explosion or fire with potential for
serious injury or death.

1
INTRODUCTION
This manual presents installation, servicing,
troubleshooting, maintenance and spare parts
information for the latest configuration of Sundyne
LMV-333.
Parenthetical numbers included in the text
correspond to item numbers on the illustrated
figures. The item number of a part is based on the
part’s function, and the correct spare part can be
ordered for any pump by referencing the item
number and serial number.
Information that may be required regarding
performance, alterations, or detailed technical data
which is not included herein, may be found in the
specification sheet and parts list accompanying the
unit, or may be obtained from your Sundyne
Corporation representative. Reference the pump
serial number in any communication with the factory.
Custom-made auxiliary equipment cannot be shown
in this manual. Refer to the outline drawing for
specifics.
I. INSTALLATION
1. INSPECTION
Check visually for shipping damage. If damage is
found, notify the carrier and Sundyne Corporation
promptly.
2. STORAGE
If the pump is not to be installed immediately:
A. Protect from exposure to moisture and dust.
B. Shipping cover and pipe plugs must be kept
in place.
C. Consult your Sundyne representative if
storage time will exceed six months.
D. For driver storage (motor or turbine), observe
manufacturer’s instructions.
3. LONG-TERM STORAGE
Certain long-term considerations should be met
for any Sundyne pump which will not be
operating for a period of time exceeding six
months from date of factory shipment. This
action will insure minimum corrosion damage to
the gearbox and fluid-end components. Because
of storage location and other unknown site
factors beyond our control, Sundyne Corporation
will not accept any liability for damage to the
equipment during the storage period, nor does
Sundyne Corporation guarantee the condition of
the equipment during and after the storage
period.
To insure the original quality of the Sundyne
pump prior to commissioning after storage, all
components must be inspected by an authorized
Sundyne service engineer. Any components not
of Sundyne manufacture (except mechanical
seals) must be inspected by that particular
submanufacturer’s authorized service personnel.
The cost of such service personnel and any
component replacement will be at the purchaser’s
expense.
Factors which affect the quality of an uninstalled
Sundyne pump are the humidity/temperature and
the chemicals in the atmosphere surrounding the
equipment. The method employed for long-term
storage should prevent the humidity/temperature
and airborne chemicals from making contact with
the internal components of the equipment.
When the equipment is to be stored in strong
chemical environments or near salt water,
protection should be executed immediately upon
receipt of the equipment.
Following is the Sundyne preferred list of
recommended long-term storage procedures:
A. Indoor, climate controlled building (maintains
constant temperature and humidity).
B. Inert gas purging of the component internals.
C. Oil flooding of component internals.
D. Desiccant bags.
Because long-term storage of equipment is of a
highly critical nature, it is recommended that
Sundyne be contacted to provide more details on
the above procedures.
4. SUCTION AND DISCHARGE PIPING
A. Suction piping should have as few restrictions
as possible to avoid NPSH losses and to
provide the NPSH required as listed on the
spec sheet.

2
B. A suction strainer is recommended to protect
the impeller from damage by mill scale, weld
slag, or other foreign particles. A cone
shaped strainer with ¼ inch (6.35 mm) holes
is preferred. For initial start-up, a screen with
mesh openings of .060 inch (1.524 mm) can
be attached over the cone then removed after
the system is clean. Use caution not to run
the pump with a clogged strainer.
C. A discharge check valve should be used if
reverse flow is likely during shutdown.
Never leave the suction block valve closed with
the discharge block valve open.
5. SEAL ENVIRONMENTAL CONTROL SYSTEM
Depending upon the pump seal arrangement and
application, a seal environmental control system
may be required.
A. Refer to the specification sheet and outline
drawing to determine the seal arrangement
and system requirements.
B. Many sealing options exist. Consult your
Sundyne representative if alternatives are
required.
6. GEARBOX HEAT EXCHANGER
A. The standard heat exchanger is a shell and
tube water-cooled type.
B. Cool water should be provided at 150 psig
(11 kg/cm2) maximum pressure. Coolant
flow should be controlled to maintain a
gearbox sump temperature between 140°F
to 200°F (60°C to 93°C).
C. The optional air-cooled heat exchanger
should be controlled to maintain the same
gearbox sump temperature as above.
NOTE
Refer to the outline drawing for heat
exchanger mounting configuration. The
assembly should not be rearranged without
consulting the factory. THE HEAT
EXCHANGER IS NEVER MOUNTED
HIGHER THAN THE GEARBOX MANIFOLD.
D. For more detail refer to section “II. LUBE
SYSTEM”.
7. DRIVER AND COUPLING
Drivers are normally shipped separately from the
gearbox and compressor. When a splined
interconnecting shaft is supplied, this shaft must
be lubricated at each end with one tube (5cc) of
anti-fretting compound (Sundyne Part Number
MP01AA10). Also available are solid shaft drivers
coupled to the gearbox with a flexible coupling.
See Section “IV. SERVICING” for further
coupling information.
Drivers are to be installed and maintained in
accordance with the manufacturer’s instructions.
8. LOCATION
The installation should provide clearance on
either side for removal and service. Overhead
clearance must be provided for lifting out the
driver or gearbox assembly.
9. MOUNTING
The vertical motor stand should be mounted on a
rigid concrete foundation, secured in position by
7/8-inch diameter bolts and grouted in place. The
bolts should be installed in the foundation as
shown on the outline drawing. The length of the
bolts should be sufficient to extend at least ¼
inch above the nut. The base mounting pads
should be leveled prior to grouting. Grout must be
allowed to set for at least 48 hours before
tightening foundation bolts. Customer shall
provide a 4” x 4” x ¼” thick steel plate under each
leveling screw.
10. ALIGNMENT
A. Spline driven units do not require alignment.
B. For units driven by flexible couplings, refer
to section “IV. SERVICING”.
11. PIPING CONNECTIONS
A. Drain lines from the seal housing ports may
be necessary. Refer to the outline drawing
for port usage.
B. Port number 1 (shown in Figure 4) must
always be open to atmosphere or piped to
safety drain or flare with a backpressure not
exceeding 7 psi (0.49 kg/cm2).
12. DIFFUSER CAVITY VENT
The diffuser cavity vent must be open to atmosphere
or to a safety drain with no back pressure. See
figure “Wet End Components” for location.
Note: Process fluid may accumulate causing a
potentially hazardous situation if the diffuser
cavity is not properly vented.

5
III. STARTING
A. START-UP PROCEDURES
Perform the following tasks to start the Sundyne
pump.
1. Run-in or pump: If the pump is to be run
under conditions which are considerably
different from those conditions listed on the
spec sheet (such as a change in specific
gravity, suction pressure, flow rate, etc.) the
factory should be consulted to insure that
the run-in conditions are compatible with the
pump.
2. Check to insure that the driver has been
serviced according to instructions provided
by the driver manufacturer.
Check driver rotation prior to start. Driver
rotation must be in the direction of cast-in arrow
on the pump case. Rotation in reverse direction
will result in bearing damage.
3. Auxiliaries: Check utility connections; verify
that auxiliary piping is per Sundyne
drawings; verify switch and instrument
connections and set points; calibrate flow
instruments and other transmitters.
4. Flushing screens should be installed in all
field assembled piping connections.
5. Check the spec sheet and outline drawings
for seal environment requirements. Be sure
housing port piping is properly connected. If
double seals are used, buffer fluid must be
pressurized before suction pressure is
applied to the pump.
6. Check to ensure the diffuser cavity vent is
vented.
7. Remove the gearbox fill-vent plug and the
filter breather cap from the fill fitting on the
gearbox. Fill the reservoir with clean
lubricating oil (see section “IV.
SERVICING”, Figure 3 for oil specifications)
until the fluid level is at the top of the black
circle in the sight glass. Lube system
capacity will vary with the heat exchanger
and piping configuration. The gearbox holds
approximately 7 quarts (6.6 liters). Replace
the filter breather cap on the fill opening
fitting and replace the fill-vent plug. If a
prelube pump is not used, remove the plug
on top of the oil filter manifold and fill the oil
filter and heat exchanger with oil.
8. If an auxiliary lube pump is installed, operate
the pump to fill the heat exchanger and filter.
Add oil as necessary through the fill fitting
until the oil level stabilizes in the site glass.
9. If no auxiliary lube pump is used, jog the
main driver until oil pressure is observed on
the pressure gauge. This should occur by
the second or third jog of 2-3 seconds
duration.
Never start the pump against a closed discharge
valve. Always check to insure that the discharge
valve is partially open.
10. If an auxiliary lube system is installed, it
should be used in the following manner:
A. At the initial start-up or after changing
the lube oil, run the pump for several
minutes to work any trapped air out of
the piping. Adjust the relief valve on the
auxiliary pump to provide 25 psi (1.76
kg/cm2) oil pressure to the system.
B. The auxiliary system is intended to
provide oil before starting the main
driver. It should run for a minimum of 30
seconds maintaining an oil pressure of 5
psig before the main driver is started.
Pressure switches and time delays can
be used if automatic start sequences
are desired.
C. After the start of the main driver, oil
pressure will be supplied by the main
lube pump inside the gearbox. An
increase in oil pressure should be
observed. Shut down the auxiliary pump
within two minutes of the main driver
start.
11. Adjust the heat exchanger cooling flow to
regulate the gearbox sump temperature
between 140° and 200°F ( 60° and 93°C).
Approximately one hour may be required to
stabilize the temperature.

6
B. PUMP CONTROL DURING START-UP
Refer to Section “V. OPERATION AND
CONTROL” for more detail.
1. SINGLE UNITS
A. Start pump with the suction valve open
while throttling the discharge valve to bring
the pump to the design flow operating
point.
B. If the process fluid is near boiling, a seal
cavity vent back to the supply vessel may
have to be opened to fill the pump with
liquid.
2. PARALLEL OPERATION
Check valves must be placed in the discharge
piping of each pump to prevent back-flow. It is
advantageous to install separate bypass loops
around each pump for additional operational
flexibility.
A. Start first unit as described above for
single units.
B. Start second unit on bypass and maintain
flow. Open discharge valve on second unit
and maintain the design flow of both units.
It is preferable that the units not operate at
their peak head capability.
C. Separate flow controls on each pump are
recommended and provide a lower
minimum flow range than can be achieved
by pressure control.
C. CRITICAL START-UP CHECK LIST
1. KNOW YOUR MACHINE
Prior to servicing and start-up of the Sundyne
pump, carefully review the specification sheet,
outline drawing, performance curves, and the
instruction manual. It is important you become
familiar with the pump configuration before
starting and operating the pump.
2. DRIVER INSTRUCTIONS
Follow installation and starting instructions of
the driver manufacturer.
3. GEARBOX SERVICING
Fill gearbox to the top of the black circle in the
sight glass with lube oil which conforms to the
specifications in Figure 3. Operate auxiliary
lube pump to fill heat exchanger and filter. Add
oil as necessary, approximately seven U. S.
quarts (6.6 liters) through fill fitting until oil
level stabilizes in sight glass.
4. ENVIRONMENTAL CONTROL SYSTEM
Install seal environmental control system, if
required, and drain piping.
5. PRESSURIZE FLUID LOOP
Pressurize double seal buffer loop or external
seal flush, if required, prior to admitting fluid
into pump casing.
6. MOTOR ROTATION
Rotation must be in same direction as arrow
stamped on pump casing.
7. START PUMP
Start pump with suction valve completely open
while throttling discharge valve, to bring pump
to design operating point.
8. HEAT EXCHANGER
Adjust cooling flow to maintain gearbox sump
temperature of 140° to 200°F (60° to 93°C).
9. CHECK
Check total head, flow rate, and power
consumption against pump specification
sheet. Check that specific gravity, viscosity
and NPSH are in accordance with
specification sheet. These conditions will
significantly alter performance of the pump.
10. DIFFUSER CAVITY VENT
Ensure diffuser cavity vent is open. (Plug must
be removed).
Note: Process fluid may accumulate causing
a potentially hazardous situation if
diffuser cavity vent is not properly
vented.