1. Kupu Whakataki
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your GPI M-240 Series Fuel Transfer Pump. Please read this manual thoroughly before installation or operation to ensure proper use and to prevent injury or damage.
The GPI M-240S-MU fuel transfer pump features a rotary gear design and is constructed from corrosion-resistant diecast aluminum. It is specifically designed for agricultural, automotive, and construction applications. The M-240S-MU includes a manual nozzle, fuel hose, and power cord. It operates with a duty cycle of 30 minutes ON and 30 minutes OFF, an operating pressure of 15 psi (1.03 bar), and an operating temperature range of -20°F to 125°F (-29°C to 52°C). This pump is designed for use with a 24-volt power source. The motor is U.L. Listed to U.S. and Canadian Standards.
2. Nga Korero Haumaru Nui
WHAKATŪPATO: Ki te kore e whai i enei tohutohu ka puta he whara nui, he mate ranei.
- Always wear appropriate personal protective equipment (PPE), including eye protection, when operating or maintaining the pump.
- Ensure the pump is used only with compatible fluids as specified by the manufacturer. Do not use with water, corrosive chemicals, or highly volatile liquids not approved for this pump.
- Verify that the power source matches the pump's voltage requirements (24 Volt DC). Incorrect voltage can cause damage to the pump and pose a fire hazard.
- Do not operate the pump in the presence of open flames, sparks, or other ignition sources. Fuel vapors are highly flammable.
- Ensure adequate ventilation when operating the pump, especially in enclosed spaces.
- Regularly inspect hoses, connections, and the pump body for leaks or damage. Replace damaged components immediately.
- Adhere to the specified duty cycle (30 minutes ON, 30 minutes OFF) to prevent motor overheating and prolong pump life.
- Tiakina nga tamariki me nga kaimahi kore mana i te papu i te wa e mahi ana.
- Ka paopao pea tenei hua ki a koe ki nga matū tae atu ki te mata, e mohiotia ana e te State of California ka pa te mate pukupuku me te koha whanau me etahi atu kino uri. Mo etahi atu korero haere ki www.P65Warnings.ca.gov.
3. Ihirangi mokete
Before beginning installation, verify that all components are present and undamaged. If any parts are missing or damaged, contact GPI customer service.
- GPI M-240 Series Fuel Transfer Pump Unit
- Manual Shut-off Nozzle
- Ngongo hinu
- Waea hiko
- Mounting Hardware (Spin Collar)
- Pukapuka Tohutohu

Figure 3.1: All components included with the GPI M-240 Series Fuel Transfer Pump, including the pump unit, manual nozzle, fuel hose, power cord, and mounting accessories.
4. Tatūnga me te Tāuta
Proper installation is crucial for the safe and effective operation of your fuel transfer pump.
4.1 Te Whakapiki i te Puma
The M-240S-MU pump features a spin collar mount for easy installation onto a tank or barrel. Ensure the mounting surface is stable and capable of supporting the pump's weight and the weight of the fuel it will transfer.
- Securely attach the pump to the tank opening using the spin collar. Ensure a tight, leak-free connection.
- Position the pump so that the hose and nozzle can reach the desired dispensing location without strain.

Figure 4.1: The GPI M-240 Series Fuel Transfer Pump securely mounted on a fuel tank, ready for operation.
4.2 Connecting Hoses and Nozzle
- Connect the fuel hose to the pump's outlet. Ensure all connections are tight to prevent leaks.
- Attach the manual shut-off nozzle to the other end of the fuel hose.
4.3 Hononga Hiko
The pump requires a 24-volt DC power source.
- Connect the power cord to the pump.
- Connect the other end of the power cord to a suitable 24-volt DC power supply. Ensure proper polarity.
- Verify all electrical connections are secure and protected from environmental elements.
5. Nga Tohutohu Whakahaere
Follow these steps for safe and effective fuel transfer.
- Ensure the pump is securely mounted and all hose and electrical connections are tight.
- Place the nozzle into the receiving tank or container.
- Activate the pump. The pump is designed for a duty cycle of 30 meneti ON, 30 meneti OFF. Adhering to this cycle is critical to prevent motor overheating.
- Begin dispensing fuel by engaging the manual nozzle lever.
- Monitor the fuel transfer process. Do not leave the pump unattended during operation.
- Once the desired amount of fuel has been transferred, release the nozzle lever to stop the flow.
- Deactivate the pump and return the nozzle to its holder.

Figure 5.1: The GPI M-240 Series Fuel Transfer Pump, showing the main unit, hose, and manual shut-off nozzle.

Figure 5.2: Key features of the pump, including the rotary gear design, powder-coated aluminum body, spin collar mount, strainer access, lockable nozzle holder, and manual unleaded nozzle.
6. Tiaki
Regular maintenance ensures the longevity and reliable performance of your pump.
6.1 Te Horoi i te Papu
- Kia ma te taha waho o te papu, kia kore hoki he paru me he otaota.
- Horoia te papu ki te panuiamp kakahu. Kaua e whakamahi i nga matū kino me nga horoi horoi.
6.2 Strainer Maintenance
The pump is equipped with a strainer to prevent debris from entering the pump mechanism. Regular inspection and cleaning of the strainer are essential.
- Momotuhia te papu mai i te puna hiko.
- Locate the strainer access point (refer to Figure 5.2 for location).
- Carefully remove the strainer cover and extract the strainer element.
- Clean the strainer element thoroughly with a suitable solvent or brush.
- Inspect the strainer for any damage. Replace if necessary.
- Reinstall the clean strainer element and secure the cover.
6.3 Tirotiro Whānui
- Periodically check all hoses and connections for signs of wear, cracks, or leaks. Replace any damaged components.
- Inspect the power cord for fraying or damage. Ensure electrical connections are secure.
7. Te Raru
This section provides solutions to common issues you might encounter with your GPI M-240 Series Fuel Transfer Pump. For problems not listed here, contact GPI customer support.
| Raruraru | Take pea | Rongoā |
|---|---|---|
| Kaore e timata te papu. | No power; incorrect voltage; faulty wiring; motor overheating. | Check power source and connections. Ensure 24V DC. Verify wiring. Allow pump to cool down if it has exceeded its duty cycle. |
| Low flow or no flow. | Clogged strainer; kinked hose; air leak in suction line; low fluid level in tank. | Clean strainer. Straighten hose. Check all connections for air leaks. Ensure adequate fuel in the supply tank. |
| He haruru te papu. | Air in system; worn bearings; foreign object in pump. | Check for air leaks in suction line. If noise persists, contact customer support. |
| Fuel leaks from connections. | Loose connections; damaged seals/gaskets; cracked hose. | Tighten all connections. Inspect and replace damaged seals, gaskets, or hoses. |
8. Whakatakotoranga
Technical specifications for the GPI M-240 Series Fuel Transfer Pump (Model M-240S-MU).
| Āhuahira | Taipitopito |
|---|---|
| Waitohu | GPI |
| Tau tauira | M-240S-MU |
| Rere Rere | 15 GPM (Karani ia Minute) |
| Voltage | 24 Volts DC |
| Huringa Mahi | 30 meneti ON, 30 meneti OFF |
| Te Mahi Mahi | 15 psi (1.03 pae) |
| Te Waahi Mahi | -20°F ki te 125°F (-29°C ki te 52°C) |
| Rauemi | Corrosion-Resistant Diecast Aluminum |
| Momo pupuha | Manual Shut-off Nozzle (Unleaded) |
| Momo Whakaeke | Spin Collar |
| Rahi Hononga Whakauru | 1 Inihi |
| Rahi Hononga Putanga | 0.75 Inihi |
| Tiwhikete | UL Listed to U.S. and Canadian Standards, CSA |
| Rahi Hua (L x W x H) | 19 x 16 x 9 inihi |
| Taumaha Tūemi | 24.5 Pauna |

Figure 8.1: Ahu ki rungaview of the GPI M-240 Series Fuel Transfer Pump, showing key measurements.
9. Pūtāhui me te Tautoko
9.1 Nga Korero Whakaputanga
The GPI M-240 Series Fuel Transfer Pump comes with a 2-tau pūtāhui mai i te rā i hokona ai. Ka hipokina e tēnei pūtāhui ngā hapa o ngā rauemi me te mahi i raro i te whakamahinga me te ratonga noa. Puritia tō taunakitanga hoko mō ngā kereme pūtāhui.
9.2 Tautoko Kiritaki
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact GPI customer support. You can find more information and contact details on the official GPI webpae, ma te kaihokohoko ranei i hokona e koe te hua.
Visit the official GPI Store on Amazon: GPI Store




