Wacker Neuson PST3 750, PSTF3 750 Operator's Manual

Operator’s Manual

Pump

PST3 750

PSTF3 750

0176744en 002 0510

0176744EN

Copyright
notice

© Copyright 2010 by Wacker Neuson Corporation.

All rights, including copying and distribution rights, are reserved.

This publication may be photocopied by the original purchaser of the machine. Any
other type of reproduction is prohibited without express written permission from
Wacker Neuson Corporation.

Any type of reproduction or distribution not authorized by Wacker Neuson Corporation
represents an infringement of valid copyrights. Violators will be prosecuted.

Trademarks

Manufacturer

All trademarks referenced in this manual are the property of their respective owners.

Wacker Neuson Corporation

N92W15000 Anthony Avenue

Menomonee Falls, WI 53051 U.S.A.
Tel: [phone] · Fax: [phone] · Tel: [phone]

www.wackerneuson.com

Original
instructions

This Operator’s Manual presents the original instructions. The original language of this
Operator’s Manual is American English.

PST3/PSTF3 750 Foreword

Foreword

Machines
covered in
this manual

Machine Item Number

PST3 750 0620337

0620440

PSTF3 750 0620338

0620441



Machine
documentatio
n

Keep a copy of the Operator’s Manual with the machine at all times.



Use the separate Parts Book supplied with the machine to order replacement parts.



Refer to the separate Repair Manual for detailed instructions on servicing and
repairing the machine.



If you are missing any of these documents, please contact Wacker Neuson
Corporation to order a replacement or visit www.wackerneuson.com.



When ordering parts or requesting service information, be prepared to provide the
machine model number, item number, revision number, and serial number.

Expectations
for
information in
this manual

Manufacturer’
s approval



This manual provides information and procedures to safely operate and maintain
the above Wacker Neuson model(s). For your own safety and to reduce the risk of
injury, carefully read, understand, and observe all instructions described in this
manual.



Wacker Neuson Corporation expressly reserves the right to make technical
modifications, even without notice, which improve the performance or safety
standards of its machines.



The information contained in this manual is based on machines manufactured up
until the time of publication. Wacker Neuson Corporation reserves the right to
change any portion of this information without notice.

This manual contains references to approved parts, attachments, and modifications.
The following definitions apply:



Approved parts or attachments

are those either manufactured or provided by

Wacker Neuson.



Approved modifications

are those performed by an authorized Wacker Neuson

service center according to written instructions published by Wacker Neuson.



Unapproved parts, attachments, and modifications

are those that do not meet

the approved criteria.

Unapproved parts, attachments, or modifications may have the following
consequences:



Serious injury hazards to the operator and persons in the work area



Permanent damage to the machine which will not be covered under warranty

Contact your Wacker Neuson dealer immediately if you have questions about approved
or unapproved parts, attachments, or modifications.

wc_tx001079gb.fm 3

Foreword PST3/PSTF3 750

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Table of ContentsPST3/PSTF3 750

Foreword 3

1 Safety Information 7

1.1 Signal Words Used in this Manual ....................................................... 7

1.2 Operating and Electrical Safety ............................................................ 8

1.3 Informational Labels ............................................................................. 8

2 Operation 9

2.1 Names of Parts ..................................................................................... 9

2.2 Prior to Operation ............................................................................... 10

2.3 Installation .......................................................................................... 10

2.4 Installing the Float (if equipped) ......................................................... 13

2.5 Electrical Wiring .................................................................................. 14

2.6 Electrical Circuit Diagrams ................................................................. 16

2.7 Operation ............................................................................................ 17

2.8 Automatic Operation (PSTF3 750 only) ............................................. 20

3 Maintenance 21

3.1 Periodic Maintenance Table ............................................................... 21

3.2 Maintenance and Inspection .............................................................. 22

3.3 Disassembly and Reassembly ........................................................... 24

3.4 Disassembly ....................................................................................... 24

3.5 Impeller Inspection ............................................................................. 25

3.6 Impeller Reassembly .......................................................................... 26

3.7 Troubleshooting .................................................................................. 27

4 Technical Data 29

4.1 Standard Specifications ...................................................................... 29

4.2 Operating Specifications .................................................................... 30

4.3 Dimensions ......................................................................................... 31

wc_bo0176744en_002TOC.fm 5

Table of Contents PST3/PSTF3 750

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PST3/PSTF3 750 Safety Information

1 Safety Information

1.1 Signal Words Used in this Manual

This manual contains DANGER, WARNING, CAUTION, NOTICE, and
NOTE signal words which must be followed to reduce the possibility
of personal injury, damage to the equipment, or improper service.

This is the safety alert symbol. It is used to alert you to potential personal hazards.
f Obey all safety messages that follow this symbol.

DANGER

DANGER indicates a hazardous situation which, if not avoided, will result in death
or serious injury.

f

To avoid death or serious injury from this type of hazard, obey all safety messages that
follow this signal word.

WARNING

WARNING indicates a hazardous situation which, if not avoided, could result in
death or serious injury.

To avoid possible death or serious injury from this type of hazard, obey all safety mes-

f

sages that follow this signal word.

CAUTION!

CAUTION indicates a hazardous situation which, if not avoided, could result in
minor or moderate injury.

f

To avoid possible minor or moderate injury from this type of hazard, obey all safety mes­sages that follow this signal word.

NOTICE: Used without the safety alert symbol, NOTICE indicates a

situation which, if not avoided, could result in property damage.

Note: A Note contains additional information important to a procedure.

wc_si000288gb.fm 7

Safety Information PST3/PSTF3 750

1.2 Operating and Electrical Safety

To reduce risk of electric shock, connect only to a properly grounded,
grounding-type receptacle.

WARNING

Risk of electric shock—this pump has not been investigated for use in
swimming pool areas.

An acceptable motor-control switch shall be provided at the time of
installation according to local codes and regulations.

To reduce risk of electric shock, follow instructions in this manual for
proper installation.

CAUTION: This pump may automatically restart. Prior to working on
the pump or control panel, all supply circuits must be disconnected.

CAUTION: Risk of shock—do not remove cord and strain relief.

1.3 Informational Labels

Label Meaning

A nameplate listing the model number, item num-

Wacker Neuson Corporation

Phase

Menomonee Falls, WI 53051 USA

Man. Y/M

THERMALLY PROTECTED
INDOORS OR OUTDOORS

CSA ENCLOSURE 3

Amp.

Conforms to UL Std. 778

Cert. to CAN/CSA St d.

C22.2 No. 108-M89

kWkgMax. L/minMax. m

HPlbsMax. GPMMax. ft

CUS

MADE IN JAPAN

Model Item No. Rev.

Serial No.

VHz

L

I

S

2001993

R

D

E

T

ber, revision number, and serial number is
attached to each unit. Please record the informa­tion found on this plate so it will be available
should the nameplate become lost or damaged.
When ordering parts or requesting service infor­mation, you will always be asked to specify the
model number, item number, revision number,
and serial number of the unit.

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PST3/PSTF3 750 Operation

3

2 Operation

2.1 Names of Parts

See Graphic: wc_gr005663

1

8

2
3
4
5

6

7

Ref. Description Ref. Description

1 Lifting handle 8 Cable assembly

2 Mechanical seal 9 Oil plug

3 Lubricant 10 Oil lifter

10

9
11

12
13

14

wc_gr00566

4 Oil casing 11 Shaft sleeve

5 Hose coupling 12 Impeller

6 Pump casing 13 Stirrer

7 Casing packing 14 Strainer stand

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Operation PST3/PSTF3 750

2.2 Prior to Operation

When the pump is delivered, first perform the following checks:

• Inspection

While unpacking, inspect the product for damage during shipment, and
make sure all bolts and nuts are tightened properly.

• Specification check

Check the model number to make sure it is the product that was
ordered. Be certain it is the correct voltage and frequency.

Note: If there is any problem with the product as shipped, contact your
nearest dealer or Wacker Neuson representative at once.

• Product specifications

Do not operate this product under any conditions other than those for
which it is specified. Failure to observe this precaution can lead to

CAUTION

electrical shock, current leakage, fire, water leakage or other
problems.

2.3 Installation

If the pump is used to drain a swimming pool, the pump must be
connected to a Ground Fault Interrupter (GFI).

WARNING

If the pump is used in fountains, the pump must be connected to a
Ground Fault Interrupter (GFI).

The pump must not be used when people are in the water.

Leakage of pump lubricants may cause pollution of water.

Proper plug must be provided according to local codes and standards.
Refer to wiring diagram.

Do not use this pump in liquids other than water, such as oil, salt water,
or organic solvents.

Use with a power supply voltage within ±5% of the rated voltage.

Do not use in water temperatures outside the range of 0–40°C
(32–104°F) which can lead to failure, current leakage or shock.

Do not use in the vicinity of explosive or flammable materials.

Use only in fully assembled state.

Note: Consult your local dealer or Wacker Neuson representative
before using with any liquids other than those indicated in this
document.

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