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UNITED KINGDOM
Jabsco/Flojet
Bingley Road, Hoddesdon
Hertfordshire EN11 OBU
Tel: +44 (0) 1992 450145
Fax: +44 (0) 1992 467132

CANADA
Fluid Products Canada
55 Royal Road
Guelph, Ontario N1H 1T1
Tel: (519) 821-1900
Fax: (519) 821-2569

JAPAN
NHK Jabsco Company Ltd.
3-21-10, Shin-Yokohama
Kohoku-Ku, Yokohama, 222
Tel: 045-475-8906
Fax: 045-475-8908

U.S.A.
Flojet
20 Icon
Foothill Ranch, CA 92610-3000
Tel: (949) 859-4945
Fax: (949) 859-1153

GERMANY
Jabsco GmbH
Oststrasse 28
22844 Norderstedt
Tel: +49-40-53 53 73-0
Fax: +49-40-53 53 73-11

© Copyright 2002, ITT Industries

Printed in U.S.A.

All Rights Reserved

Form: 81000-354

11/02

WARRANTY  

FLOJET warrants this product to be free of defects in material and/or
workmanship for a period of one year after purchase by the customer
from FLOJET. During this one year warranty period, FLOJET will at its
option, at no charge to the customer, repair or replace this product if
found defective, with a new or reconditioned product, but not to
include costs of removal or installation. No product will be accepted
for return without a return material authorization number. All return
goods must be shipped with transportation charges prepaid. This is

only a summary of our Limited Warranty. For a copy of our complete
warranty, please request Form No. 100-101.

RETURN PROCEDURE

Prior to returning any product to FLOJET, call customer service for an
authorization number. This number must be written on the outside
of the shipping package. Place a note inside the package with an
explanation regarding the reason for return as well as the
authorization number. Include your name, address and phone number.

TROUBLESHOOTING CHART

Symptom

Possible Cause(s)

Corrective Action

Pump will 

not start (stalls)

1. Inadequate air supply (20 PSI Min.)

1. Increase air inlet pressure

2. Contaminated air supply

2. An air dryer might be required

3. Ruptured diaphragm

3. Replace diaphragm

Pump runs, but no fluid

1. A leak or break in the product inlet line

1. Replace product line

2. A leak or break in the product discharge line 2. Replace product line

Pump leaks through exhaust port

1. Leak at upper exhaust manifold o-ring

1. Replace exhaust manifold

2. Shaft seal O-rings damaged or worn

2. Replace shaft seal O-rings

3. Inadequate slide lubrication

3. Replace with shuttle valve kit

4. Manifold port clip not correctly installed

4. Make sure clip is installed correctly

and fully seated

Flow rate is low

1. Tubing or hose is damaged or blocked

1. Clean or replace

2. Check viscosity of medium being pumped

2. Reduce viscosity of medium, increase 

hose diameter or contact factory for 
recommendation

3. Check valves not seated correctly

3. Reinstall check valves

Pump leaks

1. Ruptured or worn out diaphragm

1. Replace diaphragm

2. Pump housing screws not torqued adequately 2. Torque screws to 20 in lb

WASHDOWN PUMP SERVICE PARTS

KEY#

Pump System

Flojet Part No.

Description

1

2 & 4 Pump System

G575000A

Replacement Pump with Santoprene™, EPDM Elastomer

2 & 4 Pump System

G573000A

Replacement Pump with Viton™ Elastomer

2

2 & 4 Pump System

G577000A

Replacement Pump with Santoprene™, EPDM Elastomer, Reverse Flow

2 & 4 Pump System

G578000A

Replacement Pump with Viton™ Elastomer, Reverse Flow

3

2 & 4 Pump System

21000-324A

Kit, Bracket with Two Screws

4

2 Pump System

20574-015A

Kit, Gas Line Assembly, 2 Pump, 1/4” Barb

2 Pump System

20574-013A

Kit, Gas Line Assembly, 2 Pump, for 1/4” Quick Connect

5

2 Pump System

21039-100A

Kit, Manifold, EPDM, 2 Pump

2 Pump System

21039-101A

Kit, Manifold, Viton™, 2 Pump

6

4 Pump System

20574-016A

Kit, Gas Line Assembly, 4 Pump, 1/4” Barb

4 Pump System

20574-014A

Kit, Gas Line Assembly, 4 Pump, for 1/4” Quick Connect

7

4 Pump System

21039-102A

Kit, Manifold, EPDM, 4 Pump

4 Pump System

21039-103A

Kit, Manifold, Viton™, 4 Pump

2

6

7

1

3

3

1

7

2

3

1

5

2

4

5

Summary of Contents for G257 Series

Page 1: ...9 bar Noise Level Max 90dB DESCRIPTION FLOJET Industrial G 57 Series Pumps are designed for general commercial and industrial applications These pumps are constructed from a selection of materials for handling a broad range of chemicals Allowed fluids for Not Allowed fluids for Santoprene materials Santoprene materials Potable Water Acids Oils Solvents Soaps with Alkaline Soaps Solvents D Limonene...

Page 2: ...S ARE PRESENT If used with C02 or N2 be sure the area is well ventilated CAUTION Do not clean or service FLOJET pumps hoses or valves while the system is pressurized Plastic CO2 air inlet ports do not have a check valve Prior to cleaning or servicing purge the pump by carefully tilting the pump so ports are facing up and remove suction line from source Turn air off and disconnect air inlet line Br...

Page 3: ... in place To install the flange housing prelube the o ring with Parker Super O Lube and install on flange housing and place housing over the pump body aligning the flange housing with the pump body ribs pressing it into place Install the first diaphragm and O ring on to the pump shaft by threading on to shaft using a flat blade screwdriver to hold the pump shaft until the diaphragm is tight Instal...

Page 4: ...e 2 Contaminated air supply 2 An air dryer might be required 3 Ruptured diaphragm 3 Replace diaphragm Pump runs but no fluid 1 A leak or break in the product inlet line 1 Replace product line 2 A leak or break in the product discharge line 2 Replace product line Pump leaks through exhaust port 1 Leak at upper exhaust manifold o ring 1 Replace exhaust manifold 2 Shaft seal O rings damaged or worn 2...

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