Tri-Clover SP Series Manual de usuario

SPSM

SP Series

Centrifugal Pumps

TriClover_Pump_SP_service_D400

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CONTENTS

Thank you for purchasing a Tri-Clover Product!

This manual contains disassembly and assembly instructions, maintenance procedures,

troubleshooting, and a complete parts list for all SP Series Pumps designed and manufactured by

Tri-Clover, Inc., Kenosha, Wisconsin.

READ THIS MANUAL

carefully to learn how to service these pumps. Failure to do so could result

in personal injury or equipment damage.

SAFETY

IMPORTANT SAFETY INFORMATION ................................................................................................3

INTRODUCTION

GENERAL INFORMATION................................................................................................................... 4

INSTALLATION

UNPACKING AND INSTALLATION ......................................................................................................5

PIPING HINTS .....................................................................................................................................8

MAINTENANCE

CLEANING ........................................................................................................................................... 9

SEAL SERVICING.............................................................................................................................. 10

TYPE D OR F SEALS - EXTERNAL BALANCED .............................................................................. 11

TYPE AAND B PACKING GLAND SEAL...........................................................................................15

TYPE E WATER COOLED BALANCED DOUBLE SEAL................................................................... 16

FINALASSEMBLY .............................................................................................................................17

PUMP MAINTENANCE AND REPAIR................................................................................................ 18

BEARING FRAME.............................................................................................................................. 19

TROUBLESHOOTING

TROUBLESHOOTING GUIDELINES................................................................................................. 21

PARTS LIST

ALL MODELS ..................................................................................................................................... 23

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SAFETY

DANGER

WARNING

Indicates an imminently hazardous situation which, if not

avoided,

will

result in death or serious injury. The word

Danger is used in the most extreme cases.

Indicates a potentially hazardous situation which, if not

avoided,

may

result in minor or moderate injury. May

also be used to alert against an unsafe operating or

maintenancepractice.

CAUTION

Indicates a potentially hazardous situation which, if not

avoided,

could

result in death or serious injury.

Safety is very important!

DO NOT attempt to modify any Tri-Clover product.

To do so could create unsafe conditions

and void all warranties.

DO NOT place any Tri-Clover product in an application where

general product service ratings are exceeded.

The following DANGER, WARNING, AND CAUTION signs and their meanings are used within

these instructions.

IMPORTANT SAFETY INFORMATION

The SAFETY LABEL below is placed on every pump. Do not remove any labeling on any

Tri-Clover product. Immediately replace any label that is missing.

WARNING

ROTATING SHAFT

DO NOT OPERATE

WITHOUT GUARD IN PLACE

Part Number 38-241

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INTRODUCTION

GENERAL

This manual contains installation, operation, cleaning, and repair instructions, with parts list, for the

SP Series base mounted pumps manufactured by Tri-Clover, Inc. of Kenosha, Wisconsin. It also

provides a troubleshooting chart to aid in determining pump malfunctions.

DESCRIPTION

The SP Series pump units are generally mounted on base plates which accommodate both the

pump units and the drive motors.

The pump units are comprised of two sections, the power frame section which transmits power

from the motor to the pump and the liquid end or pump section. The pump impeller is mounted to

the power frame shaft and is secured by a floating retainer or by a threaded shaft and castellated

nut. The casing is clamped to the power frame, greatly simplifying removal, and permitting

positioning of the discharge outlet through 360°.

Three basic standard seal designs, external balanced seal, packing gland, and water cooled

balanced double seal, insure long seal life and optimum pump performance for all applications. A

wide variety of commercial seals are also available for special applications. Consult the factory for

seal parts lists and service instructions.

WARNING

Before servicing pump, disconnect electrical

power source.

GENERAL INFORMATION

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INSTALLATION

Figure One

Pipe Plug Pressure

Relief Valve

Adapter

Pipe

Nipple

Oiler

UNPACKING AND INSTALLATION

UNPACKING EQUIPMENT

Check the contents and all wrapping when unpacking your equipment. Inspect all parts for

damage that may have occurred during shipping. Report any damage to the carrier.

INITIAL LUBRICATION

Pumps equipped with grease lubricated power frame bearings are lubricated at the factory prior to

shipping and will require no additional lubrication until after the pump is put into service.

Pumps equipped with an automatic oiler are shipped dry and must be lubricated prior to initial

starting of the pump. Refer to

Lubrication

under

Pump Maintenance and Repair

later in this

manual for more information on lubrication.

INSTALLATION OF AUTOMATIC OILER

The oiler system is comprised of a relief valve, pipe plug,

pipe nipple, adapter and the oiler. See Figure One.

Pumps shipped from the factory have the pipe plug and relief

valve installed in the inboard and outboard bearing covers,

respectively, and the adapter assembled in the power frame

reservoir hole. To install the oiler:

1. Screw the pipe nipple into the adapter after applying

thread compound to the threads on the nipple.

2. Using a spirit level, check the pipe nipple to make sure it

is level as oil will not flow unless the oiler is level.

3. Install the oiler on the nipple with the bottle up.

4. Remove the oiler bottle, fill it with oil, invert the bottle and

assemble it to the lower oiler reservoir. Allow the oil to

flow into the power frame reservoir.

5. Repeat until the proper oil level is reached in the power frame reservoir and adjust the

level adjuster and lock in the lower oiler reservoir as required.

The power frame reservoir should be filled only to the point where the oil is

approximately1/16" to 1/8" above the inside diameter of the outer bearing race at the

lowest point of the bearing. This can be checked by loosening the screws securing the

inboard bearing cover and pulling it away from the power frame far enough to permit

measuring from the base to the proper level above the outer bearing race. Adjust the oil

level in the constant level oiler to this height. The bearing cover should then be returned

to its original position and secured.

Note:

Excessive oil can cause overheating of the bearing and result in premature failure.

Do not overfill the power frame reservoir.

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LOCATION

The pump unit should be located as

near as possible to the liquid

source and in a position where the

suction piping can be short and

direct with a minimum number of

elbows and fittings. It should also

be readily accessible for inspection,

cleaning, and lubrication.

FOUNDATION

The foundation for the pump unit

should be heavy enough to absorb

any normal vibration and provide a

permanent and rigid support at all points of the base plate. A concrete foundation with ample allowance

for grouting is most satisfactory. Foundation bolts of the proper size should be placed in a pipe sleeve

two to four diameters larger than the bolt to allow movement for final positioning of the base plate. See

Figure Two.

LEVELING THE UNIT

When the unit is received with the pump and drive motor mounted on the base plate, it should be placed

on the foundation and the coupling halves disconnected.

The base plate should be supported by blocks or wedges located close to the foundation bolts. Support

blocks or wedges should also be provided under the part of the base plate carrying the greatest weight.

A gap of 3/4" to 11/2" between the bottom of the base plate and the top of the foundation should be

allowed for grouting.

Adjust the metal blocks or wedges until the pump and motor shafts are level. Use a level to check the

coupling halves and suction inlet for vertical and horizontal alignment. The nuts on the foundation bolts

should then be turned down until they are finger tight.

FLEXIBLE COUPLINGS

A flexible coupling compensates for temperature changes and allows end movement of the

pump and motor shafts without interference with each other while transmitting power from the

motor to the pump. A flexible coupling should not be used to compensate for shaft

misalignment. Couplings are properly aligned when the pump, motor and base assembly are

shipped from the factory. Alignment may be disturbed during shipping. Couplings must always

be realigned before the unit is placed in service.

The faces of the coupling halves should be far enough apart so that they do not touch each

other when the motor shaft is moved toward the pump.

The tools required for checking flexible coupling alignment are a straight edge and a taper

gauge or a set of feeler gauges.

Figure Two

Driver

Flexible

Coupling Pump

Pipe

Base Plate

Concrete Foundation

Grouting ClearanceWedges or Blocks

Foundation Bolts

INSTALLATION

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INSTALLATION

FLEXIBLE COUPLING ALIGNMENT

There are two types of misalignment encountered with flexible

couplings: angular misalignment and parallel misalignment. To

check for angular misalignment and parallel misalignment, insert

a taper gauge or feeler gauge at four places located 90° apart

around the coupling as shown in figure three. The coupling

halves are properly aligned when the measurements are the

same at all check points.

To check parallel misalignment, place a straight edge across the

coupling half rims at the top, bottom and both sides, making sure

that the straight edge is parallel to the motor and pump shafts.

See figure four. The coupling are properly aligned when the

straight edge rests evenly on the coupling rims at all check

points.

Correct alignment is obtained by use of shims under the motor

mounting feet. See Figure Five. Adjustments made in one

direction may effect alignment in another direction. Therefore

several checks of both angular and parallel alignment should be

made.

GROUTING

When the alignment procedures have been completed, the

foundation bolts should be evenly tightened but not too firmly.

The unit can then be grouted to the foundation.

A form should be constructed around the base plate to hold the

grout. The base plate should be completely filled with grout, and

it may be desirable to grout the support blocks or wedges in

place. Do not tighten the foundation bolts until the grout has

hardened, usually 48 to 72 hours after pouring.

FINAL ALIGNMENT

After the grout has hardened, the foundation bolts should be

firmly tightened, the suction and discharge piping installed, and a

final alignment check made. Be sure the suction and discharge

piping is properly supported to avoid any strain on the pump

casing.

Note:

Check the direction of motor shaft rotation to make sure

it is the same as the arrow on the pump before

connecting the flexible coupling and starting the pump.

Connect the flexible coupling, and with the pump properly

primed, start the pump and operate it until temperatures are

stabilized. The unit should then be shut down and the alignment

immediately rechecked.

Straight Edge

Flexible Coupling

Taper

Gauge

Figure Four

Straight Edge

Flexible Coupling

Figure Five

Straight Edge

Flexible Coupling

Figure Three

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INSTALLATION

PIPING HINTS

GENERAL

This section provides some do’s and don'ts of piping which will aid in obtaining the maximum

efficiency and service from your pump.

• Piping should be independently supported at both the suction inlet and discharge outlet.

• Care should be taken that piping is properly aligned and does not put any strain on the pump

casing.

• The piping should have as few bends as possible.

SUCTION PIPING

• The suction piping should be short and follow a direct route with a minimum number of elbows

and fittings.

• Elbows should not be used at the suction inlet as friction would be greatly increased, resulting

in head loss.

• Excessive friction losses in the suction line could result in pump cavitation, causing poor

performance, noise, vibration, damage to equipment, and possible damage to product.

• Whenever practical, the diameter of the piping at the suction inlet should be increased in size.

• An eccentric tapered reducer should be used in lieu of a straight concentric tapered reducer to

prevent air pockets from forming and impairing pump efficiency. In turn, the eccentric reducer

may be placed at the inlet of the pump and should be positioned so the straight side is up.

• A horizontal suction pipe must have a gradual rise to the pump. A high point in the suction

line will form an air pocket and prevent proper pump operation.

• All joints in the suction line should be air-tight to prevent air leakage which can reduce pump

capacity and efficiency.

DISCHARGE PIPING

• The discharge piping should be short and direct with a minimum number of elbows and

fittings. It is advisable to increase the pipe diameter at the discharge outlet to minimize head

loss.

LOCATING VALVES

• In suction lift applications where a check valve may be installed to facilitate priming and to

prevent draining off of the liquid back to the source.

• A throttling valve should be installed in the discharge piping to provide a means of regulating

pump volume.

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MAINTENANCE

CLEANING

DISASSEMBLY

WARNING

Before servicing the pump, disconnect electrical power

source, carefully relieve all pressure, and drain all fluids

from the pump and connected piping.

It is necessary to disassemble parts of your pump for cleaning and sanitizing. The extent of

disassembly will depend on the application and the type of seal used in your pump. For pumps

equipped with the “groove in shaft” design, it is not necessary to disassemble if used in a clean-in-

placeinstallation.

To disassemble:

1. Disconnect the suction and discharge piping.

2. Turn the wingnut on the clamp assembly until tension on the clamp saddle is relieved.

3. Open the saddle and remove the casing.

4. On pumps with the floating impeller retainer:

a. Rotate the impeller until the retainer is in a horizontal position.

b. Push back on the impeller and center the retainer in the shaft.

c. Slide the impeller forward and remove it.

5. On pumps with threaded shaft and castellated nut, remove cotter pin and turn castellated nut

in counterclockwise direction, and remove washer and impeller. Pumps equipped with

packing glands do not require further disassembly for cleaning.

Refer to the

Seal Servicing

section of this manual for disassembly and reassembly of the seal

installed in your pump.

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MAINTENANCE

SEAL SERVICING

GENERAL

There are six standard seal types available for the SP Series pumps. Others are available as

options.

To gain access to the seal components it will be necessary to remove the casing clamp, casing,

and impeller. Impeller removal procedure will vary, depending on the retention system applicable

to your pump.

DISASSEMBLY

Floating Retainer Pin Models

1. Rotate the shaft until the retainer pin hole is horizontal.

2. Push back on the impeller and center the pin in the shaft.

3. Slide the impeller forward off the shaft. Do not try to remove the retainer before removing the

impeller as this may cause damage to the retainer, shaft and impeller.

Threaded Shaft Models

1. Remove the cotter pin and turn the castellated nut in a counterclockwise direction.

2. Remove the washer(s) and impeller.

REASSEMBLY

Floating Retainer Pin Models

1. Rotate the shaft until the retainer pin hole is horizontal. Insert the retainer, center it in the

shaft, and slide the impeller on.

2. Hold the impeller tight against the shoulder on the shaft and rotate it one quarter turn until the

pin drops and engages the impeller.

Threaded Shaft Models

1. Slide the impeller on the shaft, replace the washer(s) and tighten the castellated nut.

2. Verify that the cotter pin hole in the shaft is in alignment with one of the slots in the nut. If not,

proper alignment must be obtained by adding or removing No. 133 washers from between the

nut and the impeller face. Washers are available in thicknesses of .005" and .010" to

facilitate.

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