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

Foot Mount Installation 

The mounting foot is bolted to the bottom of the pump using the four supplied socket 
head cap screws. Mount the foot with the bolt flanges inboard of the mounts on the pump 
as illustrated. Torque to 50 in‑lbs with 4mm hex key.

Mounting peg

Nozzle Boot Installation 

Install the nozzle boot using the supplied attaching bolt. Note that the bolt is inserted 
through the hole closest to the nozzle opening, and the boot is then positioned so the peg 
on the pump mounting surface inserts in the top second hole of the boot. This allows for 
correct alignment of the nozzle when inserted into the boot.

Mounting bolt

MINIMUM SAFE DISTANCES ON  

ABOVE GROUND STORAGE TANK

As a tank is being filled, air is displaced and exits via the fuel tank vent creating fumes, which when accumulated create an Explosive Atmosphere. To avoid possible explosion of 
accumulated vapors, it is critical to keep possible sources of spark / ignition at safe distances from the fuel vapors.
The accompanying diagram shows minimum safe distances between the storage tank, dispenser, and power source.

Fueling Safety 

CAUTION!

 This product is not suited for use with fluids intended for human consumption or fluids containing water. Materials of construction are not food grade. 

Water will cause rust and corrosion in the pump housing. If water enters the pump, flush immediately with a petroleum product (gasoline, diesel, kerosene, etc) to 
eradicate residual 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 cause 

SERIOUS INJURY 

or 

DEATH

.

• 

STATIC ELECTRIC SPARK EXPLOSION HAZARD. 

• 

NEVER

 fill portable containers that are in or on vehicles. 

• 

ALWAYS PLACE CONTAINERS ON GROUND. 

•  Keep nozzle in contact with container while filling.

DANGER! 

Fumes accumulated while fueling create an Explosive Atmosphere. It is 

CRITICAL

 that all possible sources of ignition be removed to a safe distance or 

extinguished. Sources of ignition would include (but not limited to) open flames, cigarettes, static discharge, or electrical connections that can create a spark. 
Explosion, fire, and severe injury or death will occur if the explosive vapors are ignited.

Installation 

NX25‑120 and NX25‑240 pumps are designed to offer several different mounting 
configurations. It can be mounted on a skid tank using the tank adapter supplied with 
the pump (see attached diagrams), or mounted on a concrete island using an optional 
pedestal adapter (model FRPA125 is available through your Fill-Rite distributor). 
Regardless of mounting style, all tanks must be properly vented.

CAUTION!

 Do not use check valves or foot valves unless they have a 

proper pressure relief valve built into them. Note that check valves 
will reduce rate of flow.

Dispenser

Storage 

Tank

20' [6 m]

18" [0.5 m]

20' [6 m]

Side View

20' [6 m]

20' [6 m]

18" [0.5 m]

Front View

REFER TO NFPA 30A

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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