Pumpex P 601 Manuel d'utilisation original

P 601 - P 3001

SERVICE INSTRUcTION

SERVICE INSTRUCTION

P 601 - P 3001

P 601/701/801/1001/1501/2001/3001.58.0308.Eng/Digital

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Pump- 3-fas 1-fas

modell

220 V 346-500 V 110 V 220V

P 601 10 A 6 A 16 A 10 A

P 701 10 A 6 A 16 A 10 A

P 801 16 A 10 A

P 1001 16 A 10 A 16 A

P 1501 25 A 16 A

P 2001 25 A 16 A

P 3001 63 A 35 A

These Service Instructions apply to PUMPEX electric submersible

drainage pump models P 601-701-801-1001-1501-2001 and 3001.

All conﬁgurations; including, centerline, high volume, normal head,

and high head.

Pump models P601 P 701 and P 1001 and P 2001 are available in

either 3-phase or single-phase operation; other models for 3-phase

operation only. All pumps for 3-phase operation are equipped for

D.O.L. start, and do not require an external start control. Model P

2001W is equipped as 230v 1-phase, and is supplied with a factory

control box. Only a factory supplied control box should be used on

this pump.

All 3-phase pumps are ﬁtted with a built-in contactor unit and thermal

switches in the stator windings, connected in series with the contactor

coil. Single phase pumps have start capacitors or factory supplied

control box. In case of the motor overheating, the thermal switches

open and disconnect the contactor and the power supply to the pump.

Note!! When the motor has cooled down the thermal switches close

and re-start the pump automatically.

Connection at the job site

Check that the pump is connected for the actual mains voltage.

Reconnection between 230 volts and 460 volt 3-phase is made by

changing the contactor coil and reconnect according to the wiring

diagram.

If the contactor is not equipped with a dual voltage contactor coil, the

coil must be replaced to coincide with the desired voltage at the site.

Separate external motor protector is not required, but fuses of correct

size should be installed as short-circuit protection. Use time lag fuses

according to the following table.

Check the direction of rotation in all 3-phase pumps. Tilt the pump and

start it. It should jerk in a counter clockwise direction as indiciated by

an arrow on the pump. If it jerks in the other direction, two phases

should be shifted. If the bottom of the sump is soft and muddy, place

the pump on some planks, put it into a bucket, or suspend it from a

rope to prevent it from digging itself into the mud.

Never lift or pull the pump by the electric cable. Note!! Harm to the

pump cable may cause injury or death.

Always disconnect the pump from the power supply before opening

any part of the pump. Always use a qualiﬁed electrical technician

when servicing pump.

SERVICE INSTRUCTION

P 601 - P 3001

P 601/701/801/1001/1501/2001/3001.58.0308.Eng/Digital

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If the seals are worn so severely that the oil has leaked out and only

water mixed with mud and sand remains, the pump must be dis-

mantled for a complete overhaul.

Maintenance

Inspection at regular intervals and preventive maintenance should be

performed in order to reduce the number of functional troubles and to

avoid serious break-down of the pump unit. During normal opera-tion

service is not required until a reduction of the pump capacity is noted.

Inspection must be performed once a year, or 2000 operating hours.

When the pump is taken out of service for seasonal storage, a full

maintenance service should be carried out. Special attention should

be paid to the following points.

Cleaning and Removal of Lime Deposits

At a construction site the pump is often working in water mixed with

clay, concrete, lime, etc. When it is taken out of service it should be

ﬂushed out in fresh water and fully inspected before it is put into

storage.

Hard and solid lime deposits are easily removed if the pump is fully

submersed in a vessel with a mixture of one part formic acid (HCOOH)

and 15 parts water.

Remove the pump after 5 minutes and ﬂush it in fresh water. Some

deposits may remain, and a second treatment may be necessary. Not

all deposits may be removed.

Inspection of Shaft Seals

Check the condition of the shaft seal by inspection of the oil in the oil

chamber. Proceed as follows:

Remove base plate and outer casing. If it is difﬁcult to remove the

casing due to deposits or build-up on the inside, the diffuser can be

removed together with the casing.

Unscrew the oil plug and drain the oil into a clean can and inspect it.

If the oil is clean and contains no water, the primary seal is free from

defects and can be used again. If the oil contains water and appears

”milky”, the seals must be changed and ball bearings checked. After

inspection and possible change of shaft seals new oil should be ﬁlled

into the oil chamber.

Oil type: Oil type: White oil with a viscosity of 10-15cSt, such as BP

Enerpar M 002 or equivalent.

Oil quantity: P 601 0.35

P 801 0.35

P 701 0.50

P 1001 0.50

P 1501 0.50

P 2001 0.90

P 3001 0.90

Replace inspection plug O-ring

SERVICE INSTRUCTION

P 601 - P 3001

P 601/701/801/1001/1501/2001/3001.58.0308.Eng/Digital

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Inspection of Hydraulic Parts

Remove the diffuser, and check the rubber coating for wear, missing

or heavly scored material, and deposits.

Minor wear is easily compensated by tightening the nuts for the

diffuser thus reducing the clearance from the impeller to .0004 in.

Replace diffuser and wear plate if the rubber coating is worn to the

point where the metal backing is showing, or if any pieces of rubber

material are missing or severly gouged.

Inspection of electric cable

Check that the cable is undamaged, if the outer sheath is damaged,

water may wick into the motor housing along the inner core. If the

cable is damaged, repair or replace. Also check that the cable has

not been stretched or deformed. Hard jerks or pulls on the cable may

have damaged the bushing in the cable gland.

Trouble shooting

The most frequent functional troubles are usually caused by improper

electrical installation, cables, or wiring connections. Always have

pumps installed by a qualiﬁed electrician. A volt ohm meter and valid

wiring diagram for the correct voltage are required in order to trouble-

shoot the electrical portion of the equipment.

All troubleshooting should be carried out with the equipment

disconnected from the electric power supply. The power supply

must be locked out when performing routine maintenance, or

troubleshooting pump. Always check that no other person is working

with the pump before connecting the pump to power supply and

energizing the pump. All work with the electrical installation must be

carried out by a qualiﬁed electrician, or under the supervision of an

authorized electrician.

A. The pump will not start.

May be caused by:

1. Dead incoming power lines.

2. Blown fuses or breakers.

3. Defective cable.

4. Defective contactor unit or burned motor

5. Blocked impeller

B. The motor trips out.

May be caused by:

1. Wrong direction of rotation

2. Pump overloaded due to material build up.

3. Excessive water temperature. (Max 105 F)

4. Impeller blocked by stones, pieces of wood.

5. Blocked rotor.

6. Low voltage due to long cables, or inadequate power supply

(generator).

7. Phase failure.

8. Burned motor caused by water entering pump either through shat

seal or cable entry area.

SERVICE INSTRUCTION

P 601 - P 3001

P 601/701/801/1001/1501/2001/3001.58.0308.Eng/Digital

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C. Water inside top cover, and /or main cover

May be caused by:

1. Pump cable damaged or cut permitting water to penetrate into top

of pump

2. Loose cable gland or faulty assembly of gland.

3. Damaged 0-ring , foreign matter between motor housing and main

cover, or top cover

4. Wire(s) pinched between top cover and main cover.

5. Loose or missing nuts that secure top cover to main cover.

D. Pump operating at too low capacity

May be caused by:

1. Wrong direction of rotation.

2. Worn or damaged impeller and / or diffuser.

3. Clogged strainer.

4. Sharp bends, folds or restrictions

of the discharge hose.

5. Total Delivery Head (static head + friction losses) too high

E. Water-in-the-oil-chamber

May be caused by:

1. Defective shaft seal

2. Faulty assembly of 0-rings, mechanical seal, wear plate or

SERVICE INSTRUCTION

P 601 - P 3001

P 601/701/801/1001/1501/2001/3001.58.0308.Eng/Digital

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Complete overhaul

A complete overhaul of the pump should be carried out if there has

been water or oil in the motor housing, or if the pump has been in daily

operation for one year or 2000 operating hours. At low utilization the

pumps overhaul intervals can be extended.

Dismantle the pump completely, replace damaged and worn parts.

Clean all sealing surfaces and check that they are not damaged. If

water or oil has leaked into the motor housing, inspect and replace

ball bearings and shaft seals as required.

Warning

Prior to any work being carried out, always check that the pump is

disconnected from the power supply, and cannot be energized.

Dismantling

Loosen the bottom nuts/screws and remove the base plate. Unscrew

the nuts for the diffuser. Remove outer casing and diffuser with a crow

bar applied between diffuser and impeller nut. Pull out the diffuser

from the outer casing.

Unscrew the oil plug and drain the oil into a clean can and inspect it.

Check the oil. See maintenance of Shaft Seals.

SERVICE INSTRUCTION

P 601 - P 3001

P 601/701/801/1001/1501/2001/3001.58.0308.Eng/Digital

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Impeller

Remove the rubber covers from the stud bolts. Hold the impeller with

a large screwdriver or similar between the vanes and unscrew the

impeller nut with an 8 mm Allen key.

Prize the impeller loose with two screwdrivers under the impeller hub.

Remove the key from the shaft. Replace if damaged.

Shaft Seals

Pull out the rotating ring of the primary seal with sleeve and spring and

remove the 0-ring from the shaft.

Unscrew the stud bolts. Withdraw the wear plate and remove the

stationary ring of the primary seal.

SERVICE INSTRUCTION

P 601 - P 3001

P 601/701/801/1001/1501/2001/3001.58.0308.Eng/Digital

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Cut the lock washer part No. 00471 with a pair of nippers. Pull out the

lock washer carefully in order to avoid scratching the shaft. Remove

any possible scratches before pulling out the rotating part of the

secondary shaft seal. Screw puller part No. 00470 into the stationary

ring of secondary seal and pull out the ring.

Rotor Unit

Unscrew the screws which hold stator housing and oil casing together.

Turn the housing about 15oand prize it loose from the casing with a

screwdriver. Remove the stator unit.

SERVICE INSTRUCTION

P 601 - P 3001

P 601/701/801/1001/1501/2001/3001.58.0308.Eng/Digital

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Remove the external circlip on the shaft (inside secondary seal) with

a pair of circlip pliers for Dia. 25 mm.

The rotor shaft has to be pressed out of the ball bearing. Put the rotor

into a tube of the same length as the rotor shaft and with an inner dia-

meter slightly larger than the outer diameter of the bearing seat.

Press against the end of the shaft until the rotor comes loose. If a

high pressure is needed, screw the impeller nut fully on the shaft end

in order to protect it.

Ball Bearing

Remove the internal circlip and Nilos ring for the ball bearing and

press out the bearing. If necessary, the bearing seat can be heated

quickly with LP-gas to facilitate the removal.

Remove the washer and circlip in the bottom of the bearing seat. Pull

out the upper ball bearing with a puller.

SERVICE INSTRUCTION

P 601 - P 3001

P 601/701/801/1001/1501/2001/3001.58.0308.Eng/Digital

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Cover and Cable Gland

Unscrew the cap nuts for the cover. Lift off the cover and disconnect

the cable from the contactor (3-phase units only).

If water has penetrated through the cable gland, the cable seal should

be replaced. Remove strain relief clamp prior to unscrewing cable

gland body. Pull out cable, rubber bushing and washers.

NOTE!! It is very important that the replacement parts be correctly

sized for the cable. Incorrect sizing can cause severe damage to the

pump.

Stator Unit with Contactor

Unscrew the nuts for main cover and remove the main cover from the

stator unit.

The motor insulation should always be tested in connection with

service or repair. Measure insulation resistance between the different

phase windings, between windings and ground, and between win-

dings and thermal switch circuit. The insulation resistance should be

measured with 500 V megohm-meter, and the reading should be at

least I megaohm. If the reading is lower, but not completely open,

drying the stator may recover usage of the motor.

If insulation resistance test shows motor open, the stator unit should

be rewound, or replaced.

Ce manuel convient aux modèles suivants

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