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   |  NX25-120 & NX25-240 SERIES AC FUEL TRANSFER PUMPS

KIT321RK - 

Overhaul repair kit

KIT321BV - 

Bypass kit

KIT321BG - 

Inlet kit

R

ITEM NO.

PART NUMBER

DESCRIPTION

QTY.

1

SA001885-000

ASSEMBLY; MOTOR SWITCH

1

2

FS001881-000

LHSHCS; M6 X 1.0 X 14MM

2

3

700F2950

LOCK NUT, 5/16-18

1

4

MF000507-001

LEVER; SWITCH

1

kit321sw

PART NUMBER

MUST BE RoHS COMPLIANT

NOTICE

DIMENSIONS ARE IN INCHES

  THIS DRAWING AND THE PRINCIPLES AND ELEMENTS OF DESIGN
  EMBODIED THEREIN ARE THE EXCLUSIVE PROPERTY OF 

TUTHILL CORPORATION, TUTHILL TRANSFER SYSTEMS 

AND ARE NOT TO 

BE COMMUNICATED, DISCLOSED, REPRODUCED OR USED EXCEPT AS PREVIOUSLY 
AUTHORIZED IN WRITING BY SAID COMPANY AND MUST NOT BE SUBMITTED TO 
OUTSIDE PARTIES FOR EXAMINATION WITHOUT THE CONSENT OF SAID COMPANY

PART NUMBER

kit321sw

DWN

MATERIAL

ECN NUMBER

DATE

REV

 0.01in

 0.005in

 0.0005in

 0.5°

64 µ" AA MAX

PER PART PRINTS

KIT, NX3200 SERIES SWITCH ASSEMBLY

SHEET

1 OF 1

THIRD ANGLE

PROJECTION USED

DATE

0

011248

01/05/16

UNLESS OTHERWISE SPECIFIED

TWO PLACE DECIMAL

THREE PLACE DECIMAL

FOUR PLACE DECIMAL

ANGULAR

MACHINED SURFACE FINISH

DENOTES DIMENSION CRITICAL TO QUALITY

C

SCS

9/15/2017

R

ITEM NO.

PART NUMBER

DESCRIPTION

OFF/QTY.

1

SHIPPING ENVELOPE

1

2

SL000843-000

O-RING, BUNA-N, 2-036

1

3

100F0790

GASKET, INLET FLANGE

1

4

100F0760

INLET SCREEN

1

KIT321SK

PART NUMBER

MUST BE RoHS COMPLIANT

NOTICE

DIMENSIONS ARE IN INCHES

  THIS DRAWING AND THE PRINCIPLES AND ELEMENTS OF DESIGN
  EMBODIED THEREIN ARE THE EXCLUSIVE PROPERTY OF 

TUTHILL CORPORATION, TUTHILL TRANSFER SYSTEMS 

AND ARE NOT TO 

BE COMMUNICATED, DISCLOSED, REPRODUCED OR USED EXCEPT AS PREVIOUSLY 
AUTHORIZED IN WRITING BY SAID COMPANY AND MUST NOT BE SUBMITTED TO 
OUTSIDE PARTIES FOR EXAMINATION WITHOUT THE CONSENT OF SAID COMPANY

PART NUMBER

KIT321SK

DWN

MATERIAL

ECN NUMBER

DATE

REV

 0.01

 0.005

 0.0005

 0.5

64 µ" AA MAX

AS NOTED PER PART PRINTS

KIT, NX3200 SERIES EXTERNAL SEAL REPAIR

SHEET

1 OF 1

THIRD ANGLE

PROJECTION USED

DATE

0

011248

01/05/16

UNLESS OTHERWISE SPECIFIED

TWO PLACE DECIMAL

THREE PLACE DECIMAL

FOUR PLACE DECIMAL

ANGULAR

MACHINED SURFACE FINISH

DENOTES DIMENSION CRITICAL TO QUALITY

C

SCS

9/1/2017

KIT321RG - 

Rotor kit

KIT320SL - 

Shaft seal kit

KIT321FLG - 

Flange kit

KIT321NB - 

Nozzle boot kit

KIT321SK - 

External seal kit

KIT321JC - 

Junction box cover kit

KIT321SW - 

Switch kit

KIT321ASN - 

Anti‑siphon kit

Servicing Rotor, Vanes, and Shaft Seals 

The rotor, vanes, and shaft seals are inside the pump housing, and are accessed through 
the rotor cover located on the face of the pump. It is held in place with three 4mm hex 
drive attaching bolts. You can access the rotor and vanes for inspection and cleaning, 
but 

DO NOT

 attempt to remove the shaft seals without a new seal kit to install.  

Always inspect the rotor cover seal and mating surface (groove) for nicks or damage prior 
to reassembly. Be certain o‑ring is not pinched to prevent leakage. Torque the attaching 
hardware to 44 in‑lbs. 

For repairs or routine maintenance, Fill‑Rite offers the parts you need. The following parts diagram and list covers all applicable parts for your Fill‑Rite product. These parts can be 
obtained through any authorized Fill‑Rite dealer. Be sure to use only genuine Fill‑Rite replacement parts for your service and maintenance needs. For a list of authorized dealers, 
please visit our web site at “www.fillrite.com”.

WARNING! 

 DO NOT open or attempt to repair the motor on your NX25‑120 & NX25‑240 series pump. Opening the motor case can compromise the integrity of the 

Explosion Proof construction and will void any existing warranty and certification (UL listing). 

Please refer to the warranty policy located on page 2.

Replacement Parts Information 

 

R

ITEM NO.

PART NUMBER

DESCRIPTION

QTY.

1

9 X 12 POLY BAG

1

2

MF000727-000

NOZZLE BOOT, POWDER COATED

1

3

FS001891-000

SHCS; M8 X 1.25 X 16MM

1

KIT321NB

PART NUMBER

MUST BE RoHS COMPLIANT

NOTICE

DIMENSIONS ARE IN INCHES

  THIS DRAWING AND THE PRINCIPLES AND ELEMENTS OF DESIGN

  EMBODIED THEREIN ARE THE EXCLUSIVE PROPERTY OF 

TUTHILL CORPORATION, TUTHILL TRANSFER SYSTEMS 

AND ARE NOT TO 

BE COMMUNICATED, DISCLOSED, REPRODUCED OR USED EXCEPT AS PREVIO

USLY 

AUTHORIZED IN WRITING BY SAID COMPANY AND MUST NOT BE SUBMITTED

 TO 

OUTSIDE PARTIES FOR EXAMINATION WITHOUT THE CONSENT OF SAID COM

PANY

PART NUMBER

KIT321NB

DWN

MATERIAL

ECN NUMBER

DATE

REV

 0.01in

 0.005in

 0.0005in

 0.5°

64 µ" AA MAX

PER PART PRINTS

KIT; NOZZLE BOOT, NX3200, NX700

SHEET

1 OF 1

THIRD ANGLE

PROJECTION USED

DATE

011477

11/10/2017

UNLESS OTHERWISE SPECIFIED

TWO PLACE DECIMAL

THREE PLACE DECIMAL

FOUR PLACE DECIMAL

ANGULAR

MACHINED SURFACE FINISH

DENOTES DIMENSION CRITICAL TO QUALITY

C

SCS

9/1/2017

Summary of Contents for nextec FILL-RITE NX25-120 Series

Page 1: ...MADE IN USA NX25 120 NX25 240 SERIES AC FUEL TRANSFER PUMPS Installation and Operation Manual ...

Page 2: ...r the foregoing warranties will be limited to either at Manufacturer s option replacing defective goods subject to limitations hereinafter provided or refunding the purchase price for such Goods theretofore paid by the buyer and Buyers exclusive remedy for breach of any such warranties will be enforcement of such obligations of the Manufacturer If the Manufacturer so requests the return of such Go...

Page 3: ... this entire manual prior to attempting to install or operate your new pump Become familiar with the terms and diagrams and pay close attention to the highlighted areas with the following labels At Tuthill your satisfaction with our products is paramount to us If you have questions or need assistance with your product please contact us at 1 800 634 2695 M F 8 AM 6 PM ET Safety Information DANGER E...

Page 4: ...water IMPORTANT A Fill Rite filter should be used on the pump outlet to ensure no foreign material is transferred to the fuel tank Foreign material can damage the equipment being fueled WARNING A static electric spark can occur when filling portable containers sitting on truck bed liners or on any vehicle s carpeting or floor matting This spark will explosively ignite a gasoline vapor fire and cau...

Page 5: ...0 pumps comes from the factory ready to install an anti siphon tube back to the tank An anti siphon device a k a vacuum breaker is important because it will break a liquid siphon if there is an open nozzle or a leaking hose below the fluid level in the tank when the pump is turned off Fill Rite recommends anti siphon kit KIT321ASN be installed from the pump outlet back to the vapor space in the ta...

Page 6: ...onnection is NPT threading 3 Fold the wires back into the junction box and replace the cover making sure the cover gasket is in place Torque fasteners to 44 in lbs with 4mm hex key IMPORTANT Be certain the gasket for the cover is in place and the screws draw the cover down tight over the junction box There must be no gap between the junction box and it s cover Electrical Wiring WARNING Electrical ...

Page 7: ...ensing nozzle from nozzle boot 2 Move the switch lever to the ON raised position to start the motor The pump should start and settle into a slow idle 3 Insert the dispensing nozzle into the container to be filled 4 Operate the nozzle to dispense fluid release nozzle when the desired amount of fluid has been dispensed 5 Move switch lever to the OFF lowered position to stop the motor 6 Remove the di...

Page 8: ...218 54 8 604 21 73 R 856 269 29 10 602 312 23 12 293 76 37 3 007 235 56 9 274 97 27 3 830 23 22 914 3 18 125 69 61 2 741 50 70 1 996 46 58 1 834 259 46 10 215 218 43 8 599 106 74 4 202 160 44 6 317 193 10 7 603 5 197 80 3 150 50 74 1 998 14 551 97 30 3 831 250 90 9 878 NX25 120 NX25 240 Dimensional Information Bung Mount Dimensional Information Foot Mount Dimensional Information ...

Page 9: ...ermal protection Electronically Protected Certification UL cUL Motor Pump Specification Design Rotary Vane GPM in Supplied Configuration 25 GPM 95 LPM Bypass Pressure Rating PSI Max 25 PSI Dry vac in Hg 11 Head Max 48 5 Inlet size thread 1 1 4 Bung Mount 1 Foot Mount NPT and BSP available Outlet size thread 1 NPT BSP available Inlet Material Cast Iron Mount 2 NPT Bung 2 BSP Bung Foot Mount Materia...

Page 10: ...while servicing Servicing the Bypass Valve Re assembly The bypass valve is located inside the pump housing It is accessed through the inlet and outlet openings It consists of three main components Figure 1 A Bypass Valve Retainer B Bypass Valve Spring C Bypass Valve 1 Unbolt the pump from the tank adapter 2 Using a blunt object approximately 4 long i e a deep well socket on an extension inserted i...

Page 11: ... NPT Bung NPT AD 1 X 20 1 Automatic Arctic Duty UL cUL Motor NX25 120NB AE 120V 2 NPT Bung NPT AE 1 X 20 1 Automatic Arctic Duty 900CD UL cUL Motor NX25 120NF PX 120V Foot Mount NPT PX UL cUL NX25 120NF AA 120V Foot Mount NPT AA 1 X 18 1 Ultra Hi Flow Automatic UL cUL NX25 240NF PX 240V Foot Mount NPT PX UL cUL NX25 240BF PX 240V Foot Mount BSP PX NX25 240BB PX 240V 2 BSP Bung BSP PX Accessory Pac...

Page 12: ...zle boot kit KIT321SK External seal kit KIT321JC Junction box cover kit KIT321SW Switch kit KIT321ASN Anti siphon kit Servicing Rotor Vanes and Shaft Seals The rotor vanes and shaft seals are inside the pump housing and are accessed through the rotor cover located on the face of the pump It is held in place with three 4mm hex drive attaching bolts You can access the rotor and vanes for inspection ...

Page 13: ...tuthill com INSTALLATION AND OPERATION MANUAL NX25 120 NX25 240 Exploded View Bung Mount Configuration Foot Mount Configuration KIT321JC KIT321NB KIT321BG KIT321SW KIT320SL KIT321RG KIT321JC KIT321SW KIT320SL KIT321RG ...

Page 14: ...r horizontal inlet plumbing Reduce vertical or horizontal distance from pump to liquid 6 Bypass valve stuck Open valve remove debris Low capacity 1 Excessive dirt in screen Remove and clean screen 2 Suction line problem Check suction line for leaks or restrictions it may be too small in diameter too long not air tight or too low vertically 3 Excessive rotor vane rotor cover or housing wear Inspect...

Page 15: ...ut voltage auto shut off Check incoming voltage Locked rotor auto shut off Turn switch off and inspect rotor and vanes Priming Suction Lift failure Check for leaks in suction tube inlet connections inside tank plumbing restrictions excessive vertical suction lift empty tank 4 Tone Faults Hardware faults Tones Condition Solution Hardware fault auto shut off Troubleshoot as described below Hardware ...

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