Tsurumi Pump HSD2.55S User manual
：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:
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, water overflow or other problems.
CAUTION
Frequency
Voltage
WARNING
Power
Supply
Capacity
When transporting the product,
pay close attention to its center
of gravity and mass. Use an
appropriate lifting equipment to
lift the unit. Improper lifting may
result in the fall of the product which
could cause damage of the product or
human injury.
Electrical wiring should be
performed in accordance with all
applicable regulations in your
country. Absolutely provide a
dedicated earth leakage circuit breaker
and a thermal overload relay suitable for
the product (available on the market).
Imperfect wiring or improper protective
equipment can lead to electrical leak-
age, fire, or explosion in the worst case.
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.
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 electri-
cal 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.
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.
Attach a hose securely to the hose
coupling. Imperfect connection of
hose could cause water leakage
which may result in the damage
of nearby walls, floors, and other
equipment.
Use the handle when installing or
carrying the pump. Never use the
cable to carry or to suspend.
Doing so may damage the cable
which could cause electrical
leakage, short circuit, or fire.
Allow the pump to suck as few
foreign object as possible. If there
is a risk that the pump could be
buried under the sediment, place
it on a solid base like concrete
block.
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.
CAUTION
WARNING
$ " &" ""#
!&! !""#
!#If an electrical leakage
occurs, it can cause electrical
shock.
% "!
" "" "
""!# ""# "
% !#& " #"
" "%
" !# """
!!""& Failure to
do so may lead to electrical
shock, short-circuit, or injury.
$ !" ""#%"!
!#!!the unit may jerk
and could lead to injury.
!""#!#
""# "% !#& "
#" "!""
"#&"!" "
"&Failure to do so may lead to
a serious accident.
" "" #"#
&$"" "!
""%""$"
$ ""%"'"!
"%" " "!
!" &!#!""" "
" #"%""!
" Failure to observe this caution
may cause malfunction and breakdown
of the product, which may lead to
electrical leakage or electrical shock.
""#" #"%"
!# ""
" "!" #"&
$ &"# "
Failure to observe this caution
may lead to be burned.
"#!" #"#
" "%" Use in oil, salt
water or organic solvents will
damage it, which may lead to
electrical leakage or electrical
shock.
"#!" #" "
% #$ !doing
so will damage the product,
which may lead to electrical
leakage or electrical shock.
( %"
&
+"
."
OFF
OFF
,-)*
CAUTION
Never use the product for potable water. It may present a danger to human
health. Potable
Water
CAUTION
Do not allow foreign object (pin,
wire, etc.) to enter the suction inlet
of the pump. Failure to observe
this caution could cause it to
malfunction or to operate abnor-
mally, which may lead to electri-
cal 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
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
product. 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 Ts urumi 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 Ts urumi representa-
tive. Improper repairs can
result in electrical leakage,
electrical shock, fire, or water
leakage.
Test
operation
STOP
OFF
OFF
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
Mechanical Seal
Oil Lifter
Power Cable
Oil Plug
Shaft Sleeve
Impeller
Agitator
Strainer
V-Ring
Casing Packing
Pump Casing
Oil Casing
Oil
Hose Coupling
Handle
Stand
Note:
1
2
3
4
5
6
7
8
9
10
11Submersible pump
Built in motor protector
Serial number
Model
Frequency
Max. total head
Min. total head
Max. flow rate
Discharge bore
Phase
Rated voltage
12
13
14
15
16
17
18
19
20
Rated current
Rated output power
Insulation class
Max. liquid temperature
Weight without cable
Speed of rotation
IP degree of protection
Max. immersion depth
Direction of rotation
CAUTION
CAUTION
Note:
Note:
CAUTION
0.2MPa (2kgf/cm2) - discharge pressure during use
Critical Use Pressure
$,# )'()+/ +)&))/#&!+),/+)$,))/+)
01
,%(
%($$) %#-'$+.+/(
" +$ ',$"&#$$
)#&! "#$$$)#&!
/('$* )/+/(,%)*#$&,+#'&'+')'$
$**' &*,$+#'& $**
'+'))'++#'&,#$+#& #)$+")%$()'++')
,)#&#$&'&#+#-,)#&+
#*")!'&&+#'& '*',($#&!
'+')
Bore
Size
(mm)
(inch)
Model Motor
Output
(kW)
(HP)
Mass
(kg)
(Lbs)
HSD2.55S 1-phase
Max.Head
(m)
(Ft)
50
2
0.55
3/4
13.2
43
Max.Flow
Rate
(m3/min)
(GPM)
0.22
58
14
31
Max.SoLid
Passage
(mm)
(inch)
Std.Cable
Length
(m)
(Ft)
9
11/32
5
16
Power
Supply
Note:
Note:
CAUTION
WARNING
CAUTION
CAUTION
MΩ
Rope
AC voltmeter
(tester)
AC ammeter
(clamp)
Insulation resistance
tester
(megger tester)
Wrenches for
fastening
bolts and nuts
Wrenchs for connecting
the power supply
(a screwdriver or a box wrench)
Hose Band
Hose
Discharge Connection
Hose Coupling
CAUTION
WARNING
WARNING
CAUTION
Note:
CAUTION
Backflow Outflow
Pump stopped
WARNING
CAUTION
CAUTION
CAUTION
Note:
Warning Label
L1-Red(Brown) G-Green
(Green/Yellow)
L2-White(Blue)
L1 L2 G Ground
CAUTION
Do not submerge the
end of the power
cable into water.
If it is necessary to extend the
power cable, use a core size
equal to or larger than the
original.
If it is necessary to
submerge the
connected part into the
water, seal the part
completely.
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.
Cabtyre cable
Extension cable
Connection
Note:
Ground
Red(Brown)
White(Blue)
L1
L2
Green
(Green/Yellow)
Red Blue
Black
Blue
Aux.Coil
White
Frame
Grounding
Yellow/Green
Circle Thermal Protector
Capacitor
Heater
Main
Coil
CAUTION
Note:
Note:
Note:
WARNING
CAUTION
WARNING
Note:
CAUTION
Pump Model C.W.L.
(mm)
HSD2.55S 105
C.W.L.
WARNING
Note:
Note:
Note:
Interval
Monthly
Daily
Semi-yearly
Inspection Item
Yearly
Once every
2 to 5 years
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
[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.
1,000 hours or 6 months, whichever comes first.
Inspection of lifting rope or chain Replace if damage, corrosion, or wear has occurred to the
rope or the chain. Remove if foreign object is attaching to it.
Changing oil
Changing the mechanical seal
2,000 hours or 12 months, whichever comes first.
Power supply voltage variation
= within ± 10% of the rated voltage
Measuring the power voltage
Insulation resistance reference value = 1MΩminimum
To be below 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.
Pump inspection
A noticeable drop in performance may indicate wear in the impeller,etc., or else
clogging of the strainer stand, etc. Remove the clogged debris, and replace any
worn parts.
Note:
WARNING
WARNING
Mechanical Seal
Lubricant ; Turbine Oil VG 32 (non-additive)
Packing, O-Ring
Part
Replacement condition
V-Ring
Shaft sleeve
When oil in oil compartment becomes milky.
Every 12 mouths or after 2,000 hours of use, whichever comes first.
Each time pump is disassembled or inspected
When ring is worn, and each time pump is disassembled or inspected
When it becomes worn
Oil Plug
Spanner
Packing
Oiling Port
Note:
Do not apply
oil here
V-Ring
Shaft
Motor Side
Shaft Sleeve
Oil Casing
Casing Packing
Hex.Bolt
Hex.Bolt
Hex.Nut (w/Flange)
Hex.Nut (w/Flange)
Packing
Hose Coupling
Strainer
Stand
Pump Casing
Agitator
Spring Washer
Plain Washer
Impeller
Casing Packing
V-Ring
Shaft Sleeve
WARNING
Remarks
Purchase date
Manufacturing number
Product model
(1)Contact the electric power company or an
electrical repair shop.
(2)Check whether there is an open circuit in the
cabtyre cable or wiring.
(3)Check whether there is an open circuit in the
cabtyre cable or wiring.
(1)No proper power is supplied
(i.e. power outage).
(2)Open circuit in cabtyre cable or poor
connection.
(3)Open circuit in cabtyre cable or poor
connection.
(1)Inspect the pump and remove the debris.
(2)Provide the rated voltage or use an
extension cable that meets the specifications.
(3)Check the nameplate and replace the pump.
(4)Remove the debris from the strainer stand.
(5)Repair or replace.
(6)Place a concrete block under the pump to
prevent the pump from drawing in excess
mud.
(1)Foreign matter is wedged in the
impeller, causing the motor protector
to trip.
(2)The voltage is too low.
(3)A 50Hz unit is used at 60Hz.
(4)The pump has been operated for a
long time with its strainer stand
clogged.
(5)Malfunction of motor (seizure or water
leakage).
(6)The pump is drawing in too much
mud.
(1)Replace the bearings.(1)Motor bearings are damaged.
(1)Replace the impeller.
(2)Minimize the bends of the hose, and if the
pump is used in a dusty area, place it inside
a mesh basket during operation.
(3)Remove the debris from the strainer
stand.Place a concrete block under the pump
to prevent the pump from drawing in excess
mud.
(4)Change the power connection.
(5)Check the nameplate and replace the pump.
(1)The impeller is worn.
(2)The hose is clogged or kinked at its
midspan.
(3)The strainer stand is clogged or is
buried.
(4)The motor rotates in reverse.
(5)A 60Hz pump is used at 50Hz.
Pump fails to start; or,
starts but stops
immediately.
Pump generates vibration
or noise.
Problem Possible cause Countermeasure
Pump starts but stops
immediately, causing the
motor protector to trip.
The pumping volume is
low.
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