Centrifugal pump repair parts “cj103” series, Troubleshooting chart, For pricing refer to repair parts price list) – Star Water Systems CJ101 (Flint & Walling) User Manual

Page 6

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95 North Oak Street • Kendallville, IN 46755 • Copyright © 2012. All rights reserved.

11

95 North Oak Street • Kendallville, IN 46755 • Copyright © 2012. All rights reserved.

Troubleshooting Chart

Symptom

Possible Cause(s)

Corrective Action

Little or no
discharge

1. Pump not primed

1. Prime unit

2. Total head too high

2. Shorten suction lift and/or discharge head

3. Suction head higher than pump

designed for

3. Lower pump inlet

4. Impeller clogged

4. Clean

5. Incorrect rotation

5. Refer to wiring information

6. Leak in suction line

6. Repair or replace

7. Inadequate foot valve

7. Make needed adjustments

8. Impeller damaged

8. Replace

9. Foot valve or suction line not

submerged deep enough in
water

9. Submerge lower in water

10. Insufficient inlet pressure or

suction head

10. Increase inlet pressure by adding more

fluid to fluid source

11. Wrong size piping

11. Make needed adjustments

12. Casing gasket leaking

12. Replace gasket

13. Suction or discharge line

valves closed

13. Open

Loss of suction

1. Air leak in suction line

1. Repair

2. Suction head too high

2. Lower pump inlet

3. Insufficient inlet pressure or

suction head

3. Increase inlet pressure by adding more

fluid to fluid source

4. Clogged foot valve or strainer

4. Clean or replace

Pump vibrates
and/or makes
excessive noise

1. Mounting plate or foundation

not rigid enough

1. Reinforce

2. Foreign material in pump

2. Clean

3. Damaged impeller

3. Replace

4. Cavitation present

4. Check suction line for proper size and be

certain valve is open. Remove excessive
loops in suction line

5. Worn motor bearings

5. Replace

6. Bent impeller shaft

6. Replace

Pump will not start
or run

1. Improperly wired

1. Refer to wiring diagram

2. Blown fuse or open circuit

breaker

2. Replace fuse or close circuit breaker

3. Loose or broken wiring

3. Tighten connections and replace broken

wiring

4. Impeller clogged

4. Clean

5. Motor shorted out

5. Replace

Pumps leaks at
shaft

1. Worn mechanical seal

1. Replace

2. Bent impeller shaft

2. Replace

IL0417

1

2

4

5

7

8

6

3

9

10

FORM NO. FW0039

0110

SUPERSEDES 1009

PAGE 4-1A REPAIR PARTS

CENTRIFUGAL PUMP REPAIR PARTS

“CJ103” SERIES

(For Pricing Refer To Repair Parts Price List)

HP

1/3

1/2

3/4

1

1-1/2

2

STAGE

1

1

1

1

1

1

ITEM

SINGLE PHASE

BRASS IMPELLER

MODEL

NO.

CJ103031

CJ103051

CJ103071

CJ103101

CJ103151

CJ103201

THREE PHASE

BRASS IMPELLER

CJ103053

CJ103073

CJ103103

CJ103153

CJ103203

SINGLE PHASE

PLASTIC IMPELLER

CJ103P031 CJ103P051 CJ103P071 CJ103P101 CJ103P151 CJ103P201

THREE PHASE

PLASTIC IMPELLER

CJ103P053 CJ103P073 CJ103P103 CJ103P153 CJ103P203

DESCRIPTION

PART

NO.

QTY.

1

1

Motor, Nema J - 1PH

Motor, Nema J - 3 PH

Motor Access Cover

Screws, Access Cover

021301R

021302

98J103

1

2

98J105

98J305

1

2

98J107

98J307

1

2

98J110

98J310

1

2

98J115

98J315

1

2

98J120

98J320

1

2

2

3

4

5

5A

5B

6

Slinger Washer

Mounting Ring

Hex Hd. Cap Screws 3/8 x 3/4”

Seal, Rotary w/Spring

Impeller - Brass

Impeller - Plastic

Clearance Ring

Ring, Square Cut †

126905

134107

*

131100

132583

1

1

4

1

130403A

133426

N/A

1

1

1

4

1

126900A

139222

138138

1

1

1

4

1

127805

021280

134240

1

1

1

4

1

127804

135248

134240

1

1

1

4

1

127806

021279

134240

1

1

1

4

1

127848

N/A

N/A

1

7

8

Body Assembly - Brass Impeller

Body Assembly - Plastic Impeller

Suction Clearance Ring-Brass

Pipe Plugs, 1/8” NPT

021439

*

127870

1

127869A

4

127870

1

127869A

4

127780

1

N/A

4

127780

1

N/A

4

127780

1

N/A

4

127780

N/A

N/A

4

9

10

Hex Hd. Cap Screws 3/8 x 1”

Base

*

125855

4

1

4

1

4

1

4

1

4

1

4

1

(*) Standard hardware item

(‡) Not shown

(†) For pumps wi h paper gasket, replace with part number 127782
(

∆) Kit Includes: Access Cover, Screws & Wiring Diagrams

5A

5B

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