TSURUMI PUMP Submersible Portable Dewatering Pump Instruction Manual

Submersible Portable Dewatering Pump

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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 : Operating the equipment improperly by failing to observe this precaution may possibly
lead to death or injury to humans.

CAUTION : Operating the equipment improperly by failing to observe this precaution may possibly
cause injury to humans and other physical damage.

NOTE

: Gives information that does not fall in the WARNING or CAUTION categories.

Explanation of Symbols:

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).
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).
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).

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CAUTION
Do not operate the product under any conditions other than those for which it is specified. Failure to observe the precaution can lead to electrical leakage, electrical shock, fire, water overflow or other problems.

Frequency Voltage

35(&$87,216’85,1*75$163257$1′,167$//$7,21

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.

WARNING
Install the product properly in accordance with this instruction manual. Improper installation may result in electrical leakage, electrical shock, fire, water leakage, or injury.

Electrical wiring should be performed in accordance with all applicable regulations in your country. Imperfect wiring or neglecting the installation of proper equipment will cause electrical leakage or fire.

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.

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.

Power Supply Capacity

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 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, shortcircuit, electrical shock, 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.
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.

CAUTION
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.
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.
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 back.
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. Failure to do so may result in breakdown of the pump and could cause electrical leakage or short circuit.

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Never try to operate the pump if somebody is present in the pump sump.If an electrical leakage occurs, it can cause electrical shock.
Never start the pump while it is suspended, as the unit may jerk and could lead to injury.

WARNING

When changing power connection is

needed to correct the direction of rotation, be sure to turn off the

0”

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.

STOP

CAUTION

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

Rated Voltage

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 pump for oil, sea

water, or strong acid. Use for

these liquid may result in the

damage of the pump.

For oil,

sea water,

or strong acid

Do not run the product dry or
operate it with its gate valve closed, as doing so will damage the product, which may lead to electrical leakage or electrical shock.

! doing so will damage the product, which may lead to electrical leakage or electrical shock.
!
!

Failure to observe this caution could cause it to malfunction or to operate abnormally, which may lead to electrical leakage or electrical shock.

CAUTION

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Deterioration of the insulation may lead to electrical leakage, electrical shock, or fire.

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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.

OFF STOP

In case any abnormality (excessive

vibration, unusual noise or odor) is

found in the operation, turn the

OFF

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 representative. Improper repairs can result in electrical leakage, electrical shock, fire, or water leakage.

CAUTION

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.

Test operation

35(&$87,217232:(5287$*( WARNING
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.
27+(535(&$87,21 CAUTION
Never use the product for potable water. It may present a danger to human health.

power outage OFF
Potable Water

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Handle
Mechanical Seal Oil
Oil Casing Hose Coupling
Pump Casing Casing Packing

Cabtyre Cable
Oil Lifter
Oil Plug Shaft Sleeve Impeller Stirrer Strainer Stand

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Model

Bore Phase (mm)

Starting Method

Output (kW)

Max.Head (m) (ft.)

Max.capacity (m3/min)
(GPM)

WHT (kg)

HS2.4S

50

1

HSE2.4S

50

1

HSZ2.4S

50

1

HS2.75S

50

1

HS3.75S

80

1

HSZ2.75S

50

1

HSZ3.75S

80

1

Capacitor-Run

0.4

Capacitor-Run

0.4

Capacitor-Run

0.4

Capacitor-Run

0.75

Capacitor-Run

0.75

Capacitor-Run

0.75

Capacitor-Run

0.75

12 39
12 39
12 39
18/19 59/62
18/19 59/62
18/19 59/62
18/19 59/62

0.200 53
0.200 53
0.200 53
0.23/0.21 61/55
0.30/0.23 79/61
0.23/0.21 61/55
0.30/0.23 79/61

11.3 11.9 11.3 19.0 19.6 19.0 19.6

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CAUTION

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Hose Band Hose
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Backflow

Outflow

Pump stopped

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Non-Automatic Circuit

HS2.4S

Power Supply:Single-Phase

Red(Brown) L1

Red

White(Blue)
White L2
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Capacitor

Red

Blue

Black

Main Coil

Aux.Coil

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Miniature Protector

Non-Automatic Circuit HS2.75S / HS3.75S
Power Supply:Single-Phase

Red(Brown) L1
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Ground

Circle Thermal Protector Capacitor

Red

Blue

Blue

Heater
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Black

Main Coil

Yellow/Green

Aux.Coil

Automatic Operation Circuit ( Level Relay Uint)

HSE2.4S

Power Supply: Single-Phase

Red(Brown)

Level Relay Unit

L1

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White(Blue)

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White

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Blue

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Black

White

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Aux. Coil

Green
Automatic Operation Circuit HSZ2.4S

Power Supply: Single-Phase
Red(Brown) L1
White(Blue) L2
Green (Green/Yellow)
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Float Switch (Normally open contact)

Capacitor

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Red

Blue

Black

White
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Main Coil

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Green

Automatic Operation Circuit HSZ2.75S / HSZ3.75S

Power Supply: Single-Phase
Red(Brown) L1

Float Switch (Normally open contac)

Circle Thermal Protector Capacitor

Red

Blue

Blue

White(Blue) L2 Green (Green/Yellow)
Ground

White Heater
Frame Grounding

Black

Yellow/Green

Main Coil
Aux.Coil

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Pump Model
HS2.4S HS2/3.75S

C.W.L. (mm)
90 90

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In case of forced starting Level Relay Unit
Screw driver more than one (1) second
The lowest starting level
165mm

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Level Relay Unit
The electrodes of the level relay unit are submerged, causing the current to operate the pump.
Level Relay Unit Electrode

Pump

Water Level

Condition

[Switch on]

Level Relay Unit

Start Operation Drop (Drainage)

(Detection Time : more than one (1) second)
As the water level drops and the water surface recedes from the electrodes, the timer trips to drain water.

Operation (Drainage)

Drop

(Electrodes open Trips the timer)
The draining of water by the timer lasts approximately 1 minute. If the water surface comes in contact for more than one (1) second with the electrodes within 1 minute, the pump will operate continuously even though the timer has tripped.

Operation (Drainage)

Drop

The pump will stop 1 minute later.

Stop

Rise

The pump will also stop after a continuous dry run, in some cases.
When the water level rises and the water surface comes in contact for more than one (1) second with the electrodes, the pump will restart.

Start Operation Drop (Drainage)

(Detection Time : more than one (1) second)

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Interval Daily
Monthly

Measuring the operating current Measuring the power voltage

Inspection Item
To be within the rated current Power supply voltage variation
= within ± 10% of the rated voltage

Measuring the insulation resistance Insulation resistance reference value = 1M minimum

[NOTE] The motor must be inspected if the insulation resistance is considerably lower than the last inspection.

Inspecting oil 1,000 hours or 6 months, whichever comes first. Semi-yearly Inspection of liffting rope Replace if damage, corrosion, or wear has occurred to the rope.
Remove if foreign object is attaching to it.

Changing oil 2,000 hours or 12 months, whichever comes first.

Yearly

Changing the mechanical seal
[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 The pump must be overhauled even if the pump appears normal during operation.

Once every

Especially, the pump may need to be overhauled earlier if it is used continuously.

2 to 5 years

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Tsurumi sales office in your area.

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Packing

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Hex Key Wrench Oil Plug

Oil Inlet

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Specified Oil: Turbine Oil VG32 (non-additive) Unit : m

Pump Model

Specified Volume

HS2.4S,HSE2.4S,HSZ2.4S

160

HS2/3.75S,HSZ2/3.75S

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Part Mechanical Seal Lubricant ; Turbine Oil VG 32(non-additive) Packing, O-Ring V-Ring Shaft sleeve

Replacement condition 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

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Casing Packing Shaft Sleave

Impeller Plain Washer

Pump Casing

Spring Washer Stirrer

2 Hex.Nut

Strainer Stand

Hex.Bolt

Plain Washer Hex.Nut

Hose Coupling Packing

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Oil Casing

Casing Packing

Shaft Sleeve

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Problem
Pump fails to start; or, starts but stops immediately.

Possible cause
No proper power is supplied (i.e. power outage). Plug is not inserted. Open circuit in cabtyre cable or poor connection. Malfunction in float.
Electrode is insulated by debris. Malfunction in level relay unit.

Countermeasure
Contact the electric power company or an electrical repair shop. Connect the plug. Check whether there is an open circuit in the cabtyre cable or wiring. Remove obstacles and check the operation of the float. Use sandpaper to remove the debris. Repair or replace the level relay unit.

Pump starts but stops immediately, causing the motor protector to trip.
The pumping volume is low.

Foreign matter is wedged in the impeller, causing the motor protector to trip. The movement of the stop float is obstructed, causing the start float alone to perform the start and stop operations. The voltage is too low.
A 50Hz unit is used at 60Hz.
The pump has been operated for a long time with its strainer stand clogged. Malfunction of motor (seizure or water leakage). The pump is drawing in too much mud.
The impeller is worn. The hose is clogged or kinked at its midspan.
The strainer stand is clogged or is buried.
The motor rotates in reverse. A 60Hz pump is used at 50Hz.

Inspect the pump and remove the debris.
Remove obstacles and check the operation of the stop float.
Provide the rated voltage or use an extension cable that meets the specifications. Check the nameplate and replace the pump or the impeller. Remove the debris from the strainer stand.
Repair or replace.
Place a concrete block under the pump to prevent the pump from drawing in excess mud.
Replace the impeller. Minimize the bends of the hose, and if the pump is used in a dusty area, place it inside a mesh basket during operation. Remove the debris from the strainer stand.Place a concrete block under the pump to prevent the pump from drawing in excess mud. Change the power connection. Check the nameplate and replace the pump or the impeller.

Pump generates vibration or noise.
The pump does not stop automatically.

Motor bearings are damaged.
The movement of the floats is obstructed. The switch in a float is faulty. The water level of the (stop) float is set lower than the pump’s minimum possible operating water level. Malfunction in level relay unit Electrode is shorted by debris. Influence by electrical device in the vicinity of the pump.

Replace the bearings.
Remove the blockage. Or, replace the part.
Set the water level of the (stop) float higher than the pump’s minimum possible operating water level.
Repair or replace the level relay unit. Use sandpaper to remove the debris. Check whether there are any wires that are tangled around the electrode. Check whether there are any electrical devices that could generate electro-magnetic interference, and relocate the unit as necessary.

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Product model
Manufacturing number
Purchase date
Remarks
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