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5

© Copyright 2015 Zoeller

®

 Co. All rights reserved.

PUMP INSTALLATION (continued)

CHART 2

Motor HP

Volts

Phase

Distance in Feet from Motor to Service Panel

Breaker 

Size 

(Amps)

0-50 Ft.

50-100 Ft.

100-150 Ft.

150-200 Ft.

200-300 Ft.

Wire Size

1/2

3/4

115/230

115/230

1

1

14/14

12/14

14/14

12/14

14/14

12/14

12/14

12/14

12/14

10/14

15/15

20/15

ROTARY SEAL ASSEMBLY REPLACEMENT (Figure 5)

CAUTION

 Make certain that the power supply is 

disconnected before attempting to service the unit!  The rotary 

seal assembly must be handled carefully to avoid damaging the 

precision lapped faces of the sealing components.

1.   Disengage pump body (Ref. No. 8) from motor mounting ring (Ref. 

No. 2).

2.   Remove diffuser (Ref. No. 7).

3.   Remove impeller (Ref. No. 6) by unthreading counter clockwise 

while looking into the eye of the impeller. To hold motor shaft, use 

the screwdriver slot at the impeller eye.

4.   The rotary seal (Ref. No. 4) will come loose at this time.  Use a 

screwdriver (or similar instrument) to pry the ceramic seal and 

rubber gasket from the recess of the mounting bracket.

   

CAUTION

 Be careful not to damage the motor shaft 

or recess surface.

5.   Clean the recess and motor shaft thoroughly.

6.   Install the new rotary seal assembly. 

     a.   Insert the ceramic seal and the rubber gasket into the recess.

NOTE:

  To help facilitate installation, apply a drop of liquid soap to 

the outside diameter of the rubber gasket.  Make certain that the 

ceramic seal is kept clean and free of dirt and/or oil. 

     b.   Slip the remaining parts of the rotary seal assembly onto the 

motor shaft.

NOTE:

  Apply a drop of liquid soap to the inside diameter of the 

rubber drive ring.

7.   Replace the impeller and diffuser removed in Steps 2 & 3.

8.   Reassemble the pump body to the motor and mounting bracket.

MOTOR REPLACEMENT (Figure 5)

1.   Uni-Frame motors can be replaced in the field with any standard 

Nema J jet pump motor by following the following instructions.

CAUTION

 

Before attempting to replace the motor, 

make certain that the power supply is disconnected and the 

system pressure is relieved.

2.   Remove pump body (Ref. No. 8) diffuser (Ref. No. 7), impeller 

(Ref. No. 6) and shaft seal (Ref. No. 4) by following steps 1, 2, 3 & 

4 of Rotary Seal Replacement.

3.   Uni-Frame motors (indicated by 56U in the frame “FR” block on 

the motor decal) can be removed as follows: 

     a.   Disassemble pump base (Ref. No. 3) from unit by removing 

two (2) 3/8” hex nuts. 

     b.   Remove four (4) thru bolts from rear of motor and pull away 

shell and stator assembly (discard). 

     c.   Disconnect four (4) self tapping screws that hold the bearing 

housing to the mounting ring.  Discard bearing housing, rotor 

assembly and (2) square headed screws.

4.   Replace motor with standard Nema J jet pump motor by 

                

MOTOR

POWER

SUPPLY

L1

L2

Figure 6

PRIMING

CAUTION

 Before starting motor, the pump body 

must be completely filled with water.  Running the pump dry will 

cause seal damage.

1.   Remove priming plug from the priming opening.  Pour in water 

continuously until all air has been expelled from pump and suc-

tion line.  If tee has been provided at the well head the suction 

pipe in the well can be filled at this point.

2.   Replace plug, screwing in only far enough to seal, and start the 

motor.  If pump fails to build up pressure within three (3) minutes, 

shut off pump and prime again.  Once the pump is primed, tighten 

priming plug completely.

IL0304

Figure 7

MAINTENANCE

1.   Lubrication - The pumps and motors require no lubrication.  The 

ball bearings of the motor have been greased at the factory and 

under normal operating conditions should require no further 

greasing.

2.   Freezing - Drain the entire system if there is danger of freezing.  

A drain plug is provided at the bottom of the pump case for this 

purpose.

Содержание NE460

Страница 1: ...en you see this symbol on the pump or in the manual look for one of the following signal words and be alert to the potential for personal injury or property damage Warns of hazards that WILL cause serious personal injury death or major property damage Warns of hazards that CAN cause serious personal injury death or major property damage Warns of hazards that CAN cause personal injury or property d...

Страница 2: ...ife expectancy can occur if the ground water is not cold 86 ºF 30 ºC or contains air or gases 9 DO NOT run the pump dry DO NOT run the pump with a completely closed discharge DO NOT pump chemical or corrosive liquids Failure to follow above warnings could result in damage to the pump voiding the warranty and causing personal injury 10 CAUTION Check to be sure your power source is capable of handli...

Страница 3: ...nstallation of jet pumps 2 Plastic pipe must have a minimum pressure rating of 160 PSI WELL TO PUMP PIPING 1 All offset piping should slope upwards from well to pump 2 Avoid dips or pockets in offset piping or air will accumulate at high points which will make priming difficult 3 Install unions at pump and at well to aid in servicing 4 Allow enough room around pump and piping installation for usin...

Страница 4: ...r change the red and gray wire to voltage required Figure 5 Dual Voltage Wiring Diagram 2 To change voltage remove the rear access cover of the motor which is held in place with two 2 screws Change the red and gray wire on the transfer switch board to the voltage required Replace rear access cover before starting or operating pump Failure to do so can result in personal injury 3 Your pump motor ha...

Страница 5: ... bracket MOTOR REPLACEMENT Figure 5 1 Uni Frame motors can be replaced in the field with any standard Nema J jet pump motor by following the following instructions CAUTION Before attempting to replace the motor make certain that the power supply is disconnected and the system pressure is relieved 2 Remove pump body Ref No 8 diffuser Ref No 7 impeller Ref No 6 and shaft seal Ref No 4 by following s...

Страница 6: ... 2 Clean or replace defective control 3 Adjust switch settings Clean contacts with emery cloth if dirty 4 Repair leaks as necessary 5 Make sure above ground connections are tight Then repeat test If necessary pull piping and repair leak 6 Repair or replace Pump won t shut off 1 Wrong pressure switch setting or setting drift 2 Defective pressure switch 3 Loss of prime 4 Low well level 5 Fouled ejec...

Страница 7: ...HORSEPOWER 1 2 3 4 MODEL NO PART NO 460 0006 461 0006 DESCRIPTION QTY 1 Motor Nema J Thd Motor Cover w Screws Screws Cover Motor Lead Wire 021301R 021302 136135A 98J105 1 2 1 98J107 1 2 1 2 3 Mounting Ring Hex Hd Cap Screws 3 8 x 3 4 135314 4 135314 4 4 5 6 7 8 9 10 Ring Square Cut Seal Rotary w Spring Impeller Diffuser Rubber Diffuser Pump Body Plug Priming 131100 132428 132583 1 139348 132424 1 ...

Страница 8: ... O BOX 16347 Louisville KY 40256 0347 SHIPTO 3649 Cane Run Road Louisville KY 40211 1961 502 778 2731 1 800 928 PUMP FAX 502 774 3624 Visit our web site zoellerpumps com Copyright 2015 Zoeller Co All rights reserved ...

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