G-Power America GNP20C Series Installation, Operation, Repair And Parts Manual

G-Power America GNP20C Series Installation, Operation, Repair And Parts Manual

Gas engine-driven, self-priming, sae mount, g-power pro centrifugal pumps

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g - Power
A m e r i c a
Installation, Operation, Repair and Parts Manual
G-power Self-Priming Centrifugal Pumps handle big, high-capacity, liquid transfer jobs with ease. Use them for transferring
water, liquid fertilizers, and other chemicals compatible with pump materials. Make short work of other farm jobs: filling nurse
tanks, watering seedbeds and transferring liquids. This self-priming model makes it ideal for de-watering applications.
GNP20C
Close-Coupled, Gas Engine-Driven
Self-Priming Centrifugal Pump
.............................................1 0 8 f e e t
Suction Head: ..................................... 26 feet
Max. Waterflow .................................158 GPM
Ports: ........................................... 2" NPT Inlet
Engine: ............................................... LCT208
California Proposition 65 Warning – This product and related accessories contain chemicals known to the State of California
to cause cancer, birth defects or other reproductive harm.
WARNING: Do not pump flammable or explosive fluids such
as gasoline, fuel oil, kerosene, etc. Do not use in explosive
atmospheres. The pump should be used only with liquids
that are compatible with the pump component materials.
Failure to follow this warning can result in personal injury
and/or property damage and will void the product warranty.
1. DO NOT EXCEED recommended speed, pressure and
temperature (140° F) for pump and equipment being used.
2. BEFORE SERVICING, drain all liquids from the system and
flush. Remove the spark plug wire from the spark plug
before servicing the pump or engine.
3. Secure the discharge lines before starting the pump. An
unsecured line may whip, causing personal injury and/or
property damage.
4. Check hose for weak or worn condition before each use.
Make certain that all connections are tight and secure.
Close-Coupled, Gas Engine-Driven
Self-Priming Centrifugal Pump
............................................. 89 f e e t
Suction Head: ..................................... 26 feet
Max. Waterflow .................................227 GPM
Ports: ........................................... 3" NPT Inlet
2" NPT Outlet
Engine: ............................................... LCT208
General Safety Information
Series GNP20C GNP30C GNP30T
Gas Engine-Driven, Self-Priming, SAE Mount,
G-POWER PRO Centrifugal Pumps
Description
GNP30C
3" NPT Outlet
5. Periodically inspect the pump and the system components.
Perform routine maintenance as required
(see Maintenance section).
6. Protect pump from freezing conditions by draining liquid
and pumping a permanent-type automobile antifreeze
containing a rust inhibitor through the system, coating the
pump interior. A 50% mixture with water is recommended.
7. Do not operate a gasoline engine in an enclosed area.
Be sure the area is well ventilated.
WARNING: Gasoline is a highly combustible fuel. The
improper use, handling, or storage of gasoline can be
dangerous. Never touch or fill a hot engine.
8. Use only pipe, hose and fittings rated for the maximum psi
rating of the pump.
9. Do not use these pumps for pumping water or other liquids
for human or animal consumption.
1
GNP30T
Close-Coupled, Gas Engine-Driven
Self-Priming Centrifugal Trash Pump
....................................................99 f e e t
Suction Head: ............................................23 feet
Max. Waterflow ........................................110GPM
Ports: ................................................. 3" NPT Inlet
Engine: .................................................. ... LCT208
Rev. A
3" NPT Outlet

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Summary of Contents for G-Power America GNP20C Series

  • Page 1 Series GNP20C GNP30C GNP30T g - Power Gas Engine-Driven, Self-Priming, SAE Mount, A m e r i c a G-POWER PRO Centrifugal Pumps Rev. A Installation, Operation, Repair and Parts Manual Description G-power Self-Priming Centrifugal Pumps handle big, high-capacity, liquid transfer jobs with ease. Use them for transferring water, liquid fertilizers, and other chemicals compatible with pump materials.
  • Page 2: Plumbing Installation

    Hazardous Substance Alert Please Note: It is illegal to ship or transport any hazardous 2. Before returning unit for repair, drain out all liquids and chemicals without United States Environmental Protection flush unit with neutralizing liquid. Then, drain the pump. Agency Licensing.
  • Page 3: Stopping The Pump

    Operation and Maintenance (Operation and Maintenance Continued) Stopping the Pump chemically neutralize the liquid pumped. Mix according to the manufacturer’s directions. This will dissolve most 1. Stop pump for a short time: residues remaining in the pump, leaving the inside of the Run engine throttled all the way down (fully to the right).
  • Page 4 Repair Instructions (Repair Instructions Continued) 6. It is now necessary to check the clearance between the impeller and volute. As shown in the sketch below, measure Clean-up of Pump Housing the inside depth of the volute case (distance A). Then If necessary , clean the pump casing, volute, and casing cover measure the distance from the casing cover to the front edge using a solvent to remove debris and corrosion particles.
  • Page 5: Troubleshooting

    Troubleshooting Symptom Probable Cause(s) Corrective Action(s) Discharge line must be open for priming to occur. If valve is installed, check that it is open. No discharge Pump not priming Fill priming chamber with water. Increase engine speed. Air leaks in suction line Check inlet fittings for leaks.
  • Page 6 Models GNP20C, GNP30C 12 13 IMPORTANT: 2 3 4 5 6 7 When ordering parts, give PART NUMBER and PART DESCRIPTION. Reference Numbers are used ONLY to point out parts in the drawing and are NOT to be used as ordering numbers. 16 17 11 18 STANDARD SEAL KIT NO.
  • Page 7 Models GNP30T IMPORTANT: When ordering parts, give PART NUMBER and PART DESCRIPTION. Reference Numbers are used ONLY to point out parts in the drawing and are NOT to be used as ordering numbers. STANDARD SEAL KIT NO. 3430-0801 Consists of (2) Ref. 2 O-ring, (1) Ref. 6 Check Valve, (1) Ref. 10 O-ring, (1) Ref.

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Gnp30c seriesGnp30t series

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