Wacker Neuson PST3750 Manuel utilisateur

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0176744en 002 0510
0176744EN
Operator’s Manual
Pump
PST3 750
PSTF3 750
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
All trademarks referenced in this manual are the property of their respective owners.
Manufacturer
Wacker Neuson Corporation
N92W15000 Anthony Avenue
Menomonee Falls, WI 53051 U.S.A.
Tel: (262) 255-0500 · Fax: (262) 255-0550 · Tel: (800) 770-0957
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
wc_tx001079gb.fm 3
Foreword
Machines
covered in
this manual
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
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.
Manufacturer
s approval
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.
Machine Item Number
PST3 750 0620337
0620440
PSTF3 750 0620338
0620441
Foreword PST3/PSTF3 750
4 wc_tx001079gb.fm
wc_bo0176744en_002TOC.fm 5
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
6 wc_bo0176744en_002TOC.fm
Table of Contents PST3/PSTF3 750
PST3/PSTF3 750 Safety Information
wc_si000288gb.fm 7
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.
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.
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.
f
To avoid possible death or serious injury from this type of hazard, obey all safety mes-
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 mes-
sages that follow this signal word.
Safety Information PST3/PSTF3 750
8 wc_si000288gb.fm
1.2 Operating and Electrical Safety
To reduce risk of electric shock, connect only to a properly grounded,
grounding-type receptacle.
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-
ber, revision number, and serial number is
attached to each unit. Please record the informa-
tion found on this plate so it will be available
should the nameplate become lost or damaged.
When ordering parts or requesting service infor-
mation, you will always be asked to specify the
model number, item number, revision number,
and serial number of the unit.
WARNING
Wacker Neuson Corporation
Menomonee Falls, WI 53051 USA
Model Item No. Rev.
Serial No.
VHz
kWkgMax. L/minMax. m
MADE IN
JAPAN
HPlbsMax. GPMMax. ft
CUS
L
I
S
T
E
D
R
Phase
C22.2 No. 108-M89
2001993
Conforms to UL Std. 778
Cert. to CAN/CSA St d.
Amp.
Man. Y/M
THERMALLY PROTECTED
INDOORS OR OUTDOORS
CSA ENCLOSURE 3
PST3/PSTF3 750 Operation
wc_tx000987gb.fm 9
2 Operation
2.1 Names of Parts
See Graphic: wc_gr005663
Ref. Description Ref. Description
1 Lifting handle 8 Cable assembly
2 Mechanical seal 9 Oil plug
3 Lubricant 10 Oil lifter
4 Oil casing 11 Shaft sleeve
5 Hose coupling 12 Impeller
6 Pump casing 13 Stirrer
7 Casing packing 14 Strainer stand
wc_gr00566
3
1
8
10
9
11
12
13
14
2
3
4
5
6
7
Operation PST3/PSTF3 750
10 wc_tx000987gb.fm
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
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).
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.
CAUTION
WARNING
PST3/PSTF3 750 Operation
wc_tx000987gb.fm 11
Preparing for installation
Before installing the pump at a work site, you will need to have the
following tools and instruments ready:
Insulation resistance tester (megohmmeter)
AC voltmeter
AC ammeter (clamp-on type)
Bolt and nut tighteners
Power supply connection tools (screwdriver or box wrench)
Note: Please also read the instructions that come with each of the test
instruments.
Checks to Make Before Installation
When a three-prong grounded plug is used:
Use the megohmmeter to measure the motor insulation resistance
between the grounding prong and each one of the two power prongs.
When connection wires are used:
With the megohmmeter, measure the insulation resistance between
the ground wire (Green) and each one of the two power wires.
Reference insulation resistance: 20MΩ or greater.
Note: The reference insulation resistance (20MΩ or greater) is the
value when the pump is new or has been repaired. For the reference
value after installation, see the Periodic Maintenance table.
Precautions in Installation
When installing the pump, pay close attention to its center of gravity
and weight. If it is not lowered into place correctly, it may fall and be
damaged or cause injury.
When transporting the machine by hand, be sure to employ manpower
commensurate with the weight of the machine. To avoid back injury
when lifting the machine, bend the knees to pick it up rather than
bending your back only.
Do not under any circumstances install or move the pump by
suspending it from the cable assembly. The cable may be damaged,
causing current leakage, shock, or fire.
2.3.1 Avoid dropping the pump or other strong impact. Lift the pump by
holding it firmly with the hands or by attaching a rope or chain to the
lifting handle.
Note: On cable assembly handling, see Electrical Wiring.
Avoid dry operation, which will not only lower performance but can
cause the pump to malfunction, leading to electrical leakage and
shock.
WARNING
CAUTION
CAUTION
Operation PST3/PSTF3 750
12 wc_tx000987gb.fm
2.3.2 Install the pump in a location with sufficient water level, where water
collects readily.
Note: See Operation (“Operating Water Level”) for the water level
necessary for operation.
Note: The discharge end of the hose should be located higher than the
water surface. If the end of the hose is submerged, water may flow
back to the pump when the pump is stopped; and if the hose end is
lower than the water surface, water may overflow when the pump is
turned off.
If large quantities of earth are sucked up, damage resulting from
friction in the pump can lead to current leakage and shock.
2.3.3 Use the pump in the upright position. To prevent the strainer from
becoming submerged in mud, causing it to suck in sand or debris,
mount it on a block or other firm base.
2.3.4 If used in a permanent installation where the pump is not readily
accessible after installation, please contact Wacker Neuson for a
duplicate nameplate to be installed at the wellhead or on the control
box so that it will be readily visible.
CAUTION
PST3/PSTF3 750 Operation
wc_tx000987gb.fm 13
2.4 Installing the Float (if equipped)
See graphic: wc_gr005664
2.4.1 Set the length of the float lead wire to the dimension indicated below.
Failure to set the correct lead wire length will lead to improper
operation of the pump.
NOTICE: Install the float so that it moves freely up and down. If the
float binds or catches, it will cause the pump to operate improperly.
Pump model Length “L”
PSTF3 750 150 mm (5.9 in.)
wc_gr005664
Operation PST3/PSTF3 750
14 wc_tx000987gb.fm
2.5 Electrical Wiring
Performing electrical wiring
Electrical wiring should be performed by a qualified person in accord
with all applicable regulations. Failure to observe this precaution not
only risks breaking the law but is extremely dangerous.
Incorrect wiring can lead to current leakage, electrical shock or fire.
Always make sure the pump is equipped with the specified overload
protectors and fuses or breakers, so as to prevent electrical shock from
a current leak or pump malfunction.
Operate within the capacity of the power supply and wiring.
Grounding
Do not use the pump without first grounding it properly. Failure to
ground it can lead to electrical shock from a current leak or pump
malfunction.
Do not attach the grounding wire to a gas pipe, water pipe, lightning
arrester or telephone grounding wire. Improper grounding can result in
electrical shock.
Connecting the power supply
Before connecting wires to the terminal, make certain the power supply
is turned off (circuit breaker, etc.), to avoid electrical shock, shorting,
or unexpected starting of the pump, leading to injury.
Before inserting the power supply plug, make certain the power supply
is turned off (circuit breaker, etc.), to avoid electrical shock, shorting,
or unexpected starting of the pump, leading to injury.
Do not use the pump with the cable assembly or plug connected
loosely, which can result in electric shock, shorting, or fire.
Draw power from a dedicated power outlet rated at 15 A or above.
Sharing the outlet with other equipment may cause overheating at the
branch outlet and could result in fire.
The grounded plug shall be connected as shown in the drawing.
NOTICE: Be sure to use a dedicated power supply with a ground
leakage circuit breaker.
Note: The shape of the plug may differ from that shown in the
illustration.
See Graphic: wc_gr000242
WARNING
WARNING
CAUTION
WARNING
CAUTION
PST3/PSTF3 750 Operation
wc_tx000987gb.fm 15
Cable Assembly
If it is necessary to extend the cable assembly, use a core size equal
to or larger than the original. This is necessary not only to avoid a
performance drop, but to prevent cable overheating which can result in
fire, electrical leakage or electrical shock.
If a cable with cut insulation or other damage is submerged in the
water, there is a danger of damage to the pump, electrical leakage,
electrical shock, or fire.
Be careful not to let the cable assembly be cut or become twisted. This
may result in damage to the pump, electrical leakage, electrical shock,
or fire.
If it is necessary to submerge the connection wires of the cable
assembly in water, first seal the wires completely in a molded
protective sleeve, to prevent electrical leakage, electrical shock, or fire.
Do not allow the cable assembly wires or power supply plug to become
wet.
Make sure the cable does not become excessively bent or twisted, and
does not rub against a structure in a way that might damage it.
If used in a deep-well installation, the cable assembly should be
secured every 6 m (20 ft.).
CAUTION
Operation PST3/PSTF3 750
16 wc_tx000987gb.fm
2.6 Electrical Circuit Diagrams
See Graphic: wc_gr005665
If connected to a circuit protected by a fuse, use a time-delay fuse with
this pump.
Ref. Description Ref. Description
1 Capacitor 6 Ground
2 Main coil 7 Circle thermal protector
3 Auxiliary coil 8 Float switch
(normally open contact)
4 Miniature protector 9 Heater
5 Frame grounding
Wire Colors
B Black V Violet Or Orange
G Green W White Pr Purple
L Blue Y Yellow Sh Shield
P Pink Br Brown LL Light Blue
R Red Cl Clear G/Y Green/Yellow
T Tan Gr Gray
wc_gr005665
PST3 750
PSTF3 750
W (L)
W
W
9
G (G/Y)
6
5
7
7
1
3
2
9
R(Br) R
Y/G
B
LL
W (L)
6
5
8
1
3
2
R(Br)
R
Y/G
B
LL
CAUTION
PST3/PSTF3 750 Operation
wc_tx000987gb.fm 17
2.7 Operation
Before starting
2.7.1 Make sure once again that the product is of the correct voltage and
frequency rating.
NOTICE: Using the product at other than rated voltage and frequency
will not only lower its performance but may damage the product.
Note: Confirm the rated voltage and frequency on the model
nameplate.
2.7.2 Confirm the wiring, supply voltage, circuit breaker capacity, and motor
insulation resistance.
Reference insulation resistance = 20 MΩ or greater.
Note: The reference insulation resistance (20 MΩ or greater) is the
value when the pump is new or has been repaired. For the reference
value after installation see “Periodic Maintenance Table.”
2.7.3 The setting on the circuit breaker or other overload protector should be
made in accord with the rated current of the pump.
Note: See “Operating Specifications” for the rated current of the pump.
2.7.4 When powering the pump with a generator, be certain the generator is
sized to supply the required power for the pump and any other
equipment powered by the generator.
Test Operation
Do not operate the pump while it is suspended in the air. The recoil
may result in injury or other major accident.
Do not start the pump when people are standing next to it. A current
leak can result in electrical shock.
Run the pump for a short time (3–10 minutes) and confirm the
following:
Using an ammeter (clamp-on type), measure the operating cur-
rent at the L1 and L2 phase wires on the terminal.
COUNTERMEASURE: If the operating current exceeds the rated
value, pump motor overload may be a cause. Make sure the pump has
been installed under proper conditions as described in Installation.
Using an AC voltmeter (tester), measure voltage at the terminals.
Supply voltage tolerance: within ±5% of rated voltage.
WARNING
WARNING
Operation PST3/PSTF3 750
18 wc_tx000987gb.fm
COUNTERMEASURE: If the supply voltage is outside the tolerance,
possible causes are the power supply capacity or an inadequate
extension cable. Look again at the wiring diagram and make sure the
conditions are proper.
In case of very excessive vibration, unusual noise or odor, turn off the
power immediately and consult your nearest dealer or Wacker Neuson
representative. Continuing to operate the pump under abnormal
conditions may result in electrical shock, fire, or current leakage.
Operation
The pump may become very hot during operation. Be careful not to
contact the pump accidentally to avoid being burned.
Make sure no extraneous objects such as pins, nails or other metal
objects are sucked into the pump. These can damage the pump or
cause it to malfunction, and can result in electrical shock or electrical
leakage.
When the pump is not used for an extended period, be sure to turn off
the power (circuit breaker, etc.). Deterioration of the insulation may
lead to electrical leakage, electrical shock, or fire.
In case of a power outage, turn off the power to the pump to avoid
having it start unexpectedly when the power is restored, presenting
serious danger to people in the vicinity.
Pay careful attention to the water level while the pump is operating. Dry
operation may cause the pump to malfunction.
Note: See section “Operating water level” for the water level
necessary for operation.
If the protection system operates due to an overload or malfunction,
causing the pump to stop, first investigate and remove the cause
before restarting.
Sharp bends in the hose, especially near its base, may cause air
pockets to form resulting in idle operation. Lessen the degree of
bending while continuing to operate the pump.
CAUTION
WARNING
PST3/PSTF3 750 Operation
wc_tx000987gb.fm 19
Operating water level
Do not operate the pump below the C.W.L. (Continuous running Water
Level) indicated below. Failure to observe this condition may result in
damage to the pump, current leakage or electrical shock.
See Graphic: wc_gr005667
.
Motor Protection System (Motor Protector)
The pump has a built-in motor protection system (Miniature Protector).
If the motor overheats, for reasons such as the following, the pump will
automatically stop operating regardless of the water level, to protect
the motor:
Change in supply voltage polarity
Overload
Open-phase operation or operation under constraint
Note: Always determine the cause of the problem and resolve it before
resuming operation. Simply repeating cycles of stopping and restarting
will result in damage to the pump. Do not continue operation at very
low lift, low water level, or while the strainer is clogged with debris. Not
only will performance suffer, but also such conditions may cause
noise, heavy vibration, and malfunctioning.
Pump Model
Continuous running Water Level
(C.W.L.)
PST3 750
PSTF3 750
90 mm (3.5 in)
180 mm (7.1 in.)
CAUTION
wc
_g
r005667
Operation PST3/PSTF3 750
20 wc_tx000987gb.fm
2.8 Automatic Operation (PSTF3 750 only)
See Graphic: wc_gr005666
The PSTF3 750 pump is equipped with a float switch to detect the
water level. The float switch (a) enables the pump to perform an
automatic drainage operation when connected to a continuous power
supply.
Connect the power and perform a trial operation as follows:
2.8.1 Move the float switch down to its lowest position.
2.8.2 Raise the float switch. This will start the pump.
2.8.3 Lower the float switch to its original position. This will stop the pump.
2.8.4 Repeat this cycle two or three more times to verify the operation. Note:
The trial operation must be completed within one minute.
If the pump operates abnormally (i.e. exhibits an unusually large
amount of vibration, noise, or odor), disconnect the power supply
immediately and contact your Wacker Neuson dealer. Do not operate
the pump in this condition, otherwise there is a risk of current leakage,
electrical shock, or fire.
wc_gr005666
a
CAUTION
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Wacker Neuson PST3750 Manuel utilisateur

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Manuel utilisateur
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