Tsurumi Pump PU Series User manual

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：The mark indicates an action that must be taken, or instructs how to perform a task. The symbol
inside the mark describes the precaution in more detail ("provide ground work", in the case of the
example on the left).
：The mark indicates a WARNING or CAUTION item. The symbol inside the mark describes the
precaution in more detail ("electrical shock", in the case of the example on the left).
●
: Operating the equipment improperly by failing to observe this precaution may possibly
cause injury to humans and other physical damage.
: Operating the equipment improperly by failing to observe this precaution may possibly
lead to death or injury to humans.
: Gives information that does not fall in the WARNING or CAUTION categories.
●
：The mark indicates a prohibited action. The symbol inside the mark, or a notation in the vicinity of
the mark describes the precaution in more detail ("disassembly prohibited", in the case of the
example on the left).
Be sure to thoroughly read and understand the SAFETY PRECAUTIONS given in this section before using
the equipment in order to operate the equipment correctly.
The precautionary measures described in this section are intended to prevent danger or damage to you or
to others. The contents of this manual that could possibly be performed improperly are classified into two
categories: WARNING, and CAUTION. The categories indicate the extent of possible damage
or the urgency of the precaution. Note however, that what is included under CAUTION may at times
lead to a more serious problem. In either case, the categories pertain to safety-related items, and as such,
must be observed carefully.
WARNING
CAUTION
NOTE
Explanation of Symbols:
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Do not operate the product under any conditions other than those for which it is speci-
fied. Failure to observe the precaution can lead to electrical leakage, electrical
shock, fire, or water leakage, etc.
CAUTION
Frequency
Voltage
WARNING
Power
Supply
Capacity
When transporting the product, pay
close attention to its center of
gravity and mass. Use an appropri-
ate lifting equipment to lift the unit.
Improper lifting may result in the
product damage, injury, or death.
Electrical wiring should be
performed in accordance with all
applicable regulations in your
country. Provide a dedicated earth
leakage circuit breaker and a
thermal overload relay for the pump.
Imperfect wiring or neglecting the
installation of proper equipment
will cause electrical leakage, fire,
or explosion at worst.
Use a power outlet that has a sufficient rating and has been exclusively
provided for the pump. If the power outlet is shared with other equipment,
it can lead to an abnormal heat of the outlet and can cause fire as a
result.
Install the product properly in
accordance with this instruction
manual. Improper installation
may result in electrical leakage,
electrical shock, fire, water
leakage, or injury.
Provide a secure grounding
dedicated for the product. Never
fail to provide an earth leakage
circuit breaker and a thermal
overload relay in your starter or
control panel (Both available on
the market). If an electrical
leakage occurs by due to a
product failure, it may cause
electrical shock.
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
CAUTION
Do not scratch, fold, twist, make
alterations, or bundle the cable, or
use it as a lifting device. The cable
may be damaged, which may
cause electrical leakage, short-
circuit, electrical shock, or fire.
Be sure to provide a ground wire
securely. Do not connect the
ground wire to a gas pipe, water
pipe, lightening rod, or telephone
ground wire. Improper grounding
could cause electrical shock.
Do not use the cabtyre cable, power
plug, or power outlet if it is damaged
or it is not closely fitted. Connect
every conductor of the cabtyre cable
securely to the terminals. Failure to
observe this can lead to electrical
shock, short-circuit, or fire.
Install the discharge pipe securely
so that no water leakage may
occur. In addition, It is suggested to
provide a stand-by pump in case of
flooding. Failure to do so may
result in damage to nearby walls,
floors, and other equipment.
When the product will be carried by
hand, decide the number of persons
considering the mass of the product.
When lifting up the product, do
not attempt to do it by simply
bowing from the waist. Use the
knees, too, to protect your waist.
This pump is neither dust-proof nor
explosion-proof. Do not use it at a
dusty place or at a place where
toxic, corrosive or explosive gas is
present. Use in such places
could cause fire or explosion.
If a hose is used for the discharge
line, take a measure to prevent the
hose from shaking. If the hose
shakes, you may be wet or
injured.
Prevent a metallic object or dust
from sticking to the power plug.
Adhesion of foreign object to the
plug could cause electrical
shock, short-circuit, or fire.
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CAUTION
WARNING
Never try to operate the pump if
somebody is present in the pump
sump. If an electrical leakage
occurs, it can cause electrical
shock.
When changing power connection is
needed to correct the direction of
rotation, be sure to turn off the
power supply (earth leakage circuit
breaker, etc.), and perform the work
after making sure that the impeller
has stopped completely. Failure to
do so may lead to electrical
shock, short-circuit, or injury.
Never start the pump while it is
suspended, as the unit may jerk
and could lead to injury.
When inspecting the pump, be sure
to turn off the power supply (earth
leakage circuit breaker, etc.) so that
the pump may not start acciden-
tally. Failure to do so may lead to
a serious accident.
Do not operate the product under
any voltage other than described
on the nameplate with the voltage
variation limit within ±10%. If it is
operated with a generator, it is
strongly suggested not to operate
other equipment with the same
generator. Failure to observe
this caution may cause
malfunction and breakdown of
the product, which may lead to
electrical leakage or electrical
shock.
Do not touch the product with bare
hands during or immediate after
the operation, as the product may
become very hot during operation.
Failure to observe this caution
may lead to be burned.
Do not use the product in a liquid
other than water. Use in oil, salt
water or organic solvents will
damage it, which may lead to
electrical leakage or electrical
shock.
Do not run the product dry or
operate it with its valve (sluice or
gate valve) closed, as doing so
will damage the product, which
may lead to electrical leakage or
electrical shock.
For water
only
Rated
Voltage
STOP
OFF
OFF


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CAUTION
WARNING
Absolutely turn off the power
supply or disconnect the plug
before starting maintenance or
inspection. Do not work with wet
hands. Failure to observe these
cautions may lead to electrical
shock or injury.
After reassembly, always perform a test operation before resuming use of the prod-
uct. Improper assembly can result in electrical leakage, electrical shock, fire,
or water leakage .
In case any abnormality (excessive
vibration, unusual noise or odor) is
found in the operation, turn the
power off immediately and consult
with the dealer where it was
purchased or Tsurumi representa-
tive. Continuing to operate the
product under abnormal condi-
tions may result in electrical
shock, fire, or water leakage.
Do not disassemble or repair any
parts other than those designated
in the operation manual. If repairs
are necessary in any other than
the designated parts, consult with
the dealer where it was
purchased or Tsurumi representa-
tive. Improper repairs can
result in electrical leakage,
electrical shock, fire, or water
leakage.
Test
operation
STOP
OFF
OFF
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In case of power outage, turn off the power supply. The product will resume
operation when the power is restored, which presents serious danger to
people in the vicinity.
WARNING
power
outage
OFF
CAUTION
Do not allow foreign objects (metal
objects such as pins or wires) to
enter the suction inlet of the pump.
Failure to observe this caution
could cause it to malfunction or
to operate abnormally, which
may lead to electrical leakage or
electrical shock.
Do not use the product for hot or
warm liquid over 40℃, as doing so
will damage the product, which
may lead to electrical leakage or
electrical shock.
When the product will not be used
for an extended period, be sure to
turn off the power supply (earth
leakage circuit breaker, etc.).
Deterioration of the insulation
may lead to electrical leakage,
electrical shock, or fire.
OFF
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CAUTION
Never use the product for potable water. It may present a danger to human
health. Potable
Water

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Cabtyre Cable
Air Release Valve
Oil Plug
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Oil Lifter
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Screwed Flange
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Cabtyre Cable
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Oil Plug
Strainer
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Applicable
Liquids
Consistency
and
Temperature
PU Series: Water, waste water, sewage, and liquid carrying waste and solid
matters; 0 ~ 40°C
PN Series: Water, waste water and effluent; 0 ~ 40°C
PSF Series: Water, waste water, treated effluent, and standing water; 0 ~ 40°C
TM Series: Water, waste water, effluent and sea water; 0 ~ 40°C
Pump
Impeller PU, PN, TM Series: Vortex type
PSF Series: Closed type
Working
Atmosphere
The chlorine gas concentration should be below 0.1 ppm. (PU/PN/PSF Series)
Note: The concentration over 0.1 ppm may cause the pump to corrode.
Shaft Seal Double Mechanical Seal
Bearing Shielded Ball Bearing
Specifications Dry Submersible Induction Motor, 2-Pole
Insulation Class E
Protection
System
(built-in) Circle Thermal Protector (0.75kW Single-Phase and Three-Phase)
Miniature Protector (0.15 to 0.4 kW Single-Phase)
Liquid Paraffin VG32Lubricant
Connection Screwed Flange
Motor

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Note:
U-Red(Brown) G-Green(Green/Yellow)
W-Black(Black)
V-White(Grey)
MΩ
UVWG
Single-Phase
Three-Phase
MΩ
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CAUTION
,167$//$7,21
Models with output of 0.75kW or under 0.2MPa (2kgf/cm2) — discharge pressure during use
Models with output of 1.5kW 0.3MPa (3kgf/cm2) — discharge pressure during use
Applicable Pump Maximum Allowable Pressure
Models with output of 2.2 ~ 3.7kW 0.5MPa (5kgf/cm2) — discharge pressure during use

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WARNING
CAUTION
CAUTION
CAUTION
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Hook
Control Panel
Terminal Box
Manhole
Guide Support
Cabtyre Cable
Start Position
Chain
Cabtyre Cable
Chain
Non-return Valve
Gate Valve
Pipe
Guide Pipe
Pump
Duck foot Bend
Stop Position
Baffle Plate
Gate Valve
Hook
Control Panel
Terminal Box
Manhole
Baffle Plate
Start Position
Stop Position
Pump
Pipe
Non-return Valve
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CAUTION
CAUTION


Holder Start Float
Stop Float
Float Pipe
Water Level Adjustment
Set Screw
Start Float
Stop Float
Set Screw
Adjusting the start float to set
the starting water level as
desired:
Setting the stop float water
level high:
Start Float
Stop Float
Set Screw
Water Level
Adjustment
L
L
Setting the start float
water level low:
Make sure that the
float lead wire length
L is 40mm.
Failure to observe
this precaution could
cause the pump to
operate improperly.
Make sure that the
float lead wire length
L is 200mm.
Failure to observe
this precaution could
cause the pump to
operate improperly.
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Number Name Color
1No. 1 Pump Stop Float Red
2No. 2 Pump Stop Float Red
3No. 2 Pump Alternating Start Float Yellow
4No. 1 Pump Start Float Yellow
5Green
No. 1 Pump / No. 2 Pump
Parallel Operation Float
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CAUTION

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Note:
Chain
Bolt
Shackle
Washer
(for 1.5 ~ 3.7kW)
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SURFHGXUHVWRVHWWKHSDUDOOHORSHUDWLQJZDWHUOHYHO7KHQ
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Note:
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Automatic Pump
(No. 1 Pump)
Automatic Alternating Pump
(No. 2 Pump)
Starting
Water Level
Starting
Water
Level Stopping
Water
Level
Stopping
Water
Level
Parallel
Operation
Water Level
50mm
minimum
50mm
minimum
1
3
4
5
2

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WARNING
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WARNING
CAUTION
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WARNING
CAUTION
:KHQDVLQJOHSKDVHSRZHUVRXUFHLVXVHGFRQQHFWWKH
OHDGVWRWKHFRQWUROSDQHOWHUPLQDOVDVVKRZQLQWKHGLD
JUDPPDNLQJVXUHWKH\GRQRWEHFRPHWZLVWHGWRJHWKHU
:KHQDWKUHHSKDVHSRZHUVRXUFHLVXVHGFRQQHFWWKH
OHDGVWRWKHFRQWUROSDQHOWHUPLQDOVDVVKRZQLQWKHGLD
JUDPPDNLQJVXUHWKH\GRQRWEHFRPHWZLVWHGWRJHWKHU
:KHQXVLQJDWKUHHSURQJJURXQGHGSOXJFRQQHFWDVVKRZQLQWKHGUDZLQJ
 %HVXUHWRXVHDGHGLFDWHG
SRZHUVXSSO\ZLWKDJURXQG
OHDNDJHFLUFXLWEUHDNHU
CAUTION

7KHVKDSHRIWKHSOXJPD\GLIIHUIURPWKDWVKRZQLQ
WKHLOOXVWUDWLRQ
Note:
7KLVGUDZLQJVKRZVDSLQSOXJW\SH
(/(&75,&$/:,5,1*
 %HZDUHWKDWWKHSRZHUSOXJ
YDULHVE\FRXQWU\RUUHJLRQ
CAUTION

7KHFDEW\UHFDEOHLILWLVXQXVHGLVWHUPLQDOO\
SURFHVVHG,IWKHUHLVDQHHGWRSHHORIIWKHFDEOH
DJDLQKDYHWKHWHUPLQDOSURFHVVHG
Note:
Single Phase
Three Phase
U-Red(Brown) G-Green
(Green/Yellow)
W-Black(Black)
V-White
(Blue or Grey)
UVWG
L1-Red(Brown) G-Green
(Green/Yellow)
L2-White(Blue)
L1 L2 G
Ground
Ground


0RWRU3URWHFWRU
7KHSXPSLVHTXLSSHGZLWKDEXLOWLQPRWRUSURWHFWRUFLUFOHWKHUPDOSURWHFWRU
,IDFXUUHQWRYHUORDGRURYHUKHDWLQJRFFXUVXQGHUWKHV\PSWRPVJLYHQEHORZWKHSXPSZLOOVWRSDXWRPDWL
FDOO\WRSURWHFWWKHPRWRUUHJDUGOHVVRIWKHZDWHUOHYHODWWKHWLPHRIRSHUDWLRQ
([WUHPHÀXFWXDWLRQRISRZHUVXSSO\YROWDJH
3XPSRSHUDWHGXQGHURYHUORDGFRQGLWLRQ
3XPSRSHUDWHGDWRSHQSKDVHRUELQGLQJFRQGLWLRQ

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WRGLVFRQQHFWWKHFDEW\UHFDEOHIURPWKHWHUPLQDOERDUGRUWKHSRZHURXWOHWDQGHOLPLQDWHWKHFDXVHRIWKH
SUREOHP

'RQRWRSHUDWHWKHSXPSDWXQXVXDOO\ORZKHDGRUZLWKWKHLPSHOOHUFORJJHGZLWKGHEULV'RLQJVRZLOOQRW
RQO\SUHYHQWWKHSXPSIURPDWWDLQLQJLWVIXOOSRWHQWLDOEXWPD\DOVRJHQHUDWHDEQRUPDOQRLVHDQGYLEUDWLRQ
DQGGDPDJHWKHSXPS
Note:
 ,ILWLVQHFHVVDU\WRH[WHQGWKHFDEW\UHFDEOHXVHDFRUHVL]HHTXDOWR
RUODUJHUWKDQWKHRULJLQDO7KLVLVQHFHVVDU\QRWRQO\IRUDYRLGLQJD
SHUIRUPDQFHGURSEXWWRSUHYHQWFDEOHRYHUKHDWLQJZKLFKFDQUHVXOWLQÀUH
HOHFWULFDOOHDNDJHRUHOHFWULFDOVKRFN
 ,IDFDEOHZLWKFXWLQVXODWLRQRURWKHUGDPDJHLVVXEPHUJHGLQWKHZDWHU
WKHUHLVDGDQJHURIZDWHUVHHSLQJLQWRWKHPRWRUFDXVLQJDVKRUW7KLVPD\
UHVXOWLQGDPDJHWRWKHSURGXFWHOHFWULFDOOHDNDJHHOHFWULFDOVKRFNRUÀUH
 %HFDUHIXOQRWWROHWWKHFDEW\UHFDEOHEHFXWRUEHFRPHWZLVWHG7KLVPD\
UHVXOWLQGDPDJHWRWKHSURGXFWHOHFWULFDOOHDNDJHHOHFWULFDOVKRFNRUÀUH
 ,ILWLVQHFHVVDU\WRVXEPHUVHWKHFRQQHFWLRQOHDGVRIWKHFDEW\UHFDEOH
LQZDWHUÀUVWVHDOWKHOHDGVFRPSOHWHO\LQDPROGHGSURWHFWLYHVOHHYHWR
SUHYHQWHOHFWULFDOOHDNDJHHOHFWULFDOVKRFNRUÀUH
'RQRWDOORZWKHFDEW\UHFDEOHOHDGVWREHFRPHZHW
0DNHVXUHWKHFDEOHGRHVQRWEHFRPHH[FHVVLYHO\EHQWRUWZLVWHGDQGGRHVQRWUXEDJDLQVWDVWUXFWXUHLQD
ZD\WKDWPLJKWGDPDJHLW
CAUTION
(OHFWULFDO&LUFXLW'LDJUDPV
Green
White
Red Main Coil
Ground
Aux. Coil
Operating
Capacitor
Protector
Green
White
Red Main coil
Protector
Transformer
Relay
(b contact)
Stop Float Switch
(b contact)
Start Float
Switch
(b contact)
Relay
Relay
(a contact)
Ground
Aux.
Coil
Operating
Capacitor
R
Power Supply: Single-Phase
Power Supply: Single-Phase
Green
Transformer
Relay (b contact)
Stop Float Switch
(b contact)
Start Float
Switch
(b contact)
Relay
Relay
(a contact)
Ground
R
Motor Coil
Motor Coil
Motor Coil
Protector
W-Black
V-White
U-Red
Power Supply: Three-Phase
Power Supply: Three-Phase
Green
Motor Coil
Motor Coil
Motor Coil
Ground
Protector
W-Black
V-White
U-Red
PU/PN/PSF/TM Series
Non-Automatic Circuit
(Output 0.75kW maximum)
PU/PN/PSF/TM Series
Non-Automatic Circuit
PUA/PNA/PSFA/TMA Series
Automatic Circuit
(Output 0.75kW maximum)
PUA/PNA/PSFA/TMA Series
Automatic Circuit
(Output 0.75kW maximum)
(Blue)
(Green/Yellow)
(Brown)
(Blue)
(Green/Yellow)
(Brown)
(Grey)
(Black)
(Green/Yellow)
(Brown)
(Blue or Grey)
(Black)
(Green/Yellow)
(Brown)



DFRQWDFW QRUPDOO\RSHQFRQWDFW

EFRQWDFW QRUPDOO\FORVHGFRQWDFW
Note:
Green
W-Black
V-White
U-Red
Motor Coil
Motor coil
Motor coil
Ground
Protector
Transformer
Relay (b contact) Stop Float
Switch
(b contact)
Alternating Start
Float Switch
(b contact)
Parallel Operation
Float Switch
(a contact)
Relay
R
Power Supply: Three-Phase
Green
White
Red Main Coil
Ground Protector
TransformerRelay
(b contact) Stop Float Switch
(b contact)
Alternating Start
Float Switch
(b contact)
Parallel Operation
Float Switch
(a contact)
Relay
Aux.
Coil
Operating
Capacitor
R
Power Supply: Single-Phase
Green
W-Black
V-White
U-Red
Motor Coil
Motor Coil
Motor Coil
Ground
Protector
Transformer
Relay (a contact) Stop Float Switch
(b contact)
Start Float Switch
(b contact)
Relay
R
Green
W-Black
V-White
U-Red
Motor coil
Motor Coil
Motor Coil
Ground
Protector
Transformer
Relay (a contact)
Stop Float
Switch
(b contact)
Alternating Start
Float Switch
(b contact)
Parallel
Operation
Float Switch
(a contact)
Relay
R
Power Supply: Three-Phase
Power Supply: Three-Phase
PUA/PNA/PSFA Series
Automatic Operation Circuit
(Output 1.5kW)
PUW/PNW/PSFW Series
Automatic Alternating Operation Circuit
(Output 1.5~3.7kW)
PUZ/PNZ/PSFZ Series
PUW/PNW/PSFW Series
Automatic Alternating Circuit
(Output 0.75kW maximum)
PUW/PNW/PSFW Series
Automatic Alternating Circuit
(Output 0.75kW maximum)
(Blue or Grey)
(Black)
(Green/Yellow)
(Brown)
(Blue or Grey)
(Black)
(Green/Yellow)
(Brown)
(Blue or Grey)
(Black)
(Green/Yellow)
(Brown)
Ground
(Green/Yellow)
Ground Protector
White
Red
(Blue)
(Brown)
Frame
Grounding
Main Coil Aux. Coil
Operating
Capacitor
Float Switch
(a contact)
Green
W-Black
V-White
U-Red
Motor Coil
Motor Coil
Motor Coil
Ground
Protector
Transformer
Relay Y
(a contact)
Stop Float
Switch
(b contact)
Start Float
Switch
(b contact)
Relay X
(b contact)
Relay X
(a contact)
Y
X
Power Supply: Three-Phase
PUA/PNA/PSFA/TMA Series
Automatic Circuit
(Output 2.2kW)
(Blue or Grey)
(Black)
(Green/Yellow)
(Brown)
Green
W-Black
V-White
U-Red
Motor Coil
Motor Coil
Motor Coil
Ground
Protector
Transformer
Relay Y
(a contact)
Stop Float
Switch
(b contact)
Start Float
Switch
(b contact)
Relay X
(b contact)
Relay X
(a contact)
Y
X
Power Supply: Three-Phase
PUA/PNA/PSFA/TMA Series
Automatic Circuit
(Output 3.7kW)
(Blue or Grey)
(Black)
(Green/Yellow)
(Brown)


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 ,PSURSHUYROWDJHDQGIUHTXHQF\RIWKHSRZHUVXSSO\ZLOOSUHYHQWWKHSXPS
IURPDWWDLQLQJLWVIXOOSRWHQWLDODQGPD\DOVRGDPDJHWKHSXPS

9HULI\WKHVSHFVRQWKHSXPSVQDPHSODWH
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7KHLQVXODWLRQUHVLVWDQFHUHIHUHQFHYDOXHRI0ȍPLQLPXPLVEDVHGRQDQHZRUUHSDLUHGSXPS)RUUHIHU
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9HULI\WKHUDWHGFXUUHQWRQWKHSXPSVQDPHSODWH
CAUTION
Note:
Note:
Note:
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7ULDO2SHUDWLRQ
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DVHULRXVDFFLGHQWLQYROYLQJLQMXU\
2SHUDWHWKHSXPSIRUDVKRUWWLPHWRVHFRQGVDQGYHULI\WKHGLUHFWLRQRIWKHURWDWLRQRIWKHLPSHOOHU
2EVHUYHWKHSXPSXQLWIURPDERYHDQGLILWVUHFRLOLVLQWKHFRXQWHUFORFNZLVHGLUHFWLRQWKHGLUHFWLRQRI
LWVURWDWLRQLVFRUUHFW
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WRWKHDWPRVSKHUH2SHUDWLQJWKHSXPSLQUHYHUVHZKLOHLWLVVXEPHUJHGLQ
ZDWHUZLOOGDPDJHWKHSXPSZKLFKPD\OHDGWRFXUUHQWOHDNDJHDQGHOHFWULFDO
VKRFN
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WARNING
CAUTION
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URWDWLRQPDNHVXUHWKDWWKHSRZHUVXSSO\
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DQGWKDWWKHLPSHOOHUKDVVWRSSHG
FRPSOHWHO\)DLOXUHWRREVHUYHWKLVPD\OHDG
WRHOHFWULFDOVKRFNVKRUWRULQMXU\
COUNTERMEASURE
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 ,QWHUFKDQJH DQ\ WZR RI WKH WKUHH ZLUHV GHVLJQDWHG 8 9 DQG :
UHVSHFWLYHO\
WARNING
Example:
UVWG
Interchanging
phases V and W
Ground
23(5$7,21


UVWGGround
V
UV G
W
Ground
COUNTERMEASURE
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WKHSRZHUVXSSO\RUWKHH[WHQVLRQFDEOHWKDWLVXVHG5HIHUWRVHFWLRQ(OHFWULFDO:LULQJWRRSHUDWHWKHSXPS
LQWKHFRUUHFWPDQQHU
COUNTERMEASURE
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FXUUHQWIROORZWKHLQVWUXFWLRQVLQVHFWLRQ,QVWDOODWLRQWRRSHUDWHWKHSXPSLQWKHFRUUHFWPDQQHU
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DQG:WKDWDUHFRQQHFWHGWRWKHWHUPLQDOERDUG
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7VXUXPLVVDOHVRIÀFHLQ\RXUDUHD,IWKHSXPSFRQWLQXHVWREHXVHGLQWKH
DEQRUPDOVWDWHLWPD\FDXVHFXUUHQWOHDNDJHHOHFWULFDOVKRFNRUÀUH
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CAUTION
2SHUDWLRQ
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RSHUDWHGU\
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$IUHTXHQW212))ZLOOVKRUWHQWKHOLIHWLPHRIWKHSXPS
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RSHUDWHDERXWWLPHVSHUKRXU
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KRXUVSHU\HDU
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WARNING
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2SHUDWLQJ:DWHU/HYHO
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VKDOOEHPLQXWHV:KHQWKHZDWHUOHYHOFKDQJHVEHWZHHQWKH&:/
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CAUTION

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36)$70$SXPSFDQSHUIRUPDQDXWRPDWLFGUDLQDJHRSHUDWLRQDORQHE\PHUHO\FRQQHFWLQJLWVFDEOHWRD
SRZHUVXSSO\
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CAUTION
'LUHFWDOOWKHÀRDWVGRZQZDUG
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WKHLURULJLQDOSRVLWLRQV7KLVZLOOFDXVHWKHSXPSWRVWRS
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CAUTION
(TXLSSHGZLWKÀRDWVWRGHWHFWWKHZDWHUOHYHOWKHDXWRPDWLFW\SH38=31=36)=SXPSFDQSHUIRUPDQ
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WARNING
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Note:
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CAUTION
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Note:
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Interval
Monthly
Daily
Inspection Item
Yearly
Semi-yearly
Measuring the operating current
Measuring the insulation resistance
Note: The motor must be inspected if the insulation resistance is considerably lower
than the last inspection.
Inspecting oil (models with 0.15~0.75kW power output)
3,000 hours or 12 months, whichever comes first
Inspecting oil (models with 1.5~3.7kW power output)
6,000 hours or 12 months, whichever comes first
Power supply voltage variation
= within ±10% of the rated voltage
Measuring the power voltage
Once every
2 years
Once every
2 to 5 years
Changing oil (models with 0.15~0.75kW power output)
Note: The inspection and replacement of the mechanical seal requires specialized
equipment. To have this operation performed, contact the dealer where this
equipment was purchased, or the Tsurumi sales office in your area.
Overhaul
Note: To overhaul the pump, contact the dealer where it was purchased, or the
Tsurumi sales office in your area.
4,500 hours or 24 months, whichever comes first
Changing oil (models with 1.5~3.7kW power output)
9,000 hours or 24 months, whichever comes first
Changing the mechanical seal (models with 0.15~3.7kW power output)
Insulation resistance reference value = 1MΩminimum
Inspecting the pump A noticeable drop in performance
may indicate wear on the impeller or
other parts, or else clogging of the
strainer. Replace any worn parts, or
remove the clogged debris.
Inspecting the
operation of air
release valve
Check to confirm that the air release
valve (air-lock prevention device)
works normally when you start the
pump.
Inspection of lifting
chain or rope
Replace if damage, corrosion, or wear has occurred to the chain or
rope. Remove if foreign object is attaching to it.
To be within the rated current
The pump must be overhauled even if the pump appears normal during operation.
Especially, the pump may need to be overhauled earlier if it is used continuously.
air
release
valve
Section of a pump casing
Inspection of the operation
of air release valve

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Note:
Phillips Screwdriver
Oil Plug
Oil Inlet
Packing
Model with 0.25 ~ 0.75kW power output
Model with 0.15kW power output
240
150
Applicable Model Specified
Volume
Unit :
Model with 1.5kW power output 500
Model with 2.2 ~ 3.7kW power output 680
Specified Oil:
Liquid Paraffin VG32
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Truss Screw(3)
Spring Washer(5)
Impeller(4)
Motor Shaft
[Assembly direction of spring washer]
[Back-Pullout Construction]
*Motor
Portion
*Pump Portion
Hex Bolt(9)
O-Ring(2)
Impeller(4)
[Pump Disassembly Diagram]
O-Ring(2)
Truss Screw(3)
Pump Casing(1)
Packing(8)
Spring Washer(5)
Hex Nut (10)
Hex Bolt(6)
Screwed Flange(7)
Hex Bolt(9)
Impeller(4)
A
A
B
B
(Hex nut on the 0.15kW model)
(Plain washer on the
0.15kW model)

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Note:
[Back-Pullout Construction]
*Motor
Portion
*Pump Portion
Hex Bolt(10)
O-Ring(3)
Impeller(5)
[Pump Disassembly Diagram]
O-Ring(3)
Truss Screw(4)
Pump Casing(2)
Packing(9)
Spring Washer(6)
Hex Nut(11)
Hex Bolt(7)
Screwed Flange(8)
Hex Bolt(10)
Impeller(5)
A
A
B
B
Strainer(1)
(Hex nut on the 0.15kW model)
Truss Screw(4)
Spring Washer(6)
Impeller(5)
Motor Shaft
[Assembly direction of spring washer]