Great Plains Industries GPRO PRO25-012PO/XTS Owner's Manual - Page 3

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INSTALLATION

Install Suction Pipe

Your pump is designed to mount directly to a standard

2 in. NPT tank fitting. For the suction pipe, a 1 inch

galvanized steel pipe cut to length and threaded on one

end may be used. Suction pipe should extend to within

3 inches of tank bottom. Apply thread tape to the suction

pipe thread and securely tighten the suction pipe to the

pump inlet port.

Make sure any check valve or foot valves used are

equipped with proper pressure relief valves.

Install Pump on Tank

• Clean the tank interior of all dirt and foreign material.

• Place the pump with suction pipe installed on the tank

fitting and tighten securely. Make sure the pump is not

cross-threaded.

• To prevent pressure build-up and possible fuel leaks

through the nozzle, make sure the tank is vented. A

vent cap rated at 3 psi or less is recommended.

Install Electrical Connections

A grounding connection is provided. It is identified as a green

colored binding head screw in the electrical cavity.

PRO25-012 models must be connected to a 12-volt DC

power source only.

PRO25-024 models must be connected to a 24-volt DC

power source only.

DO NOT attempt to connect these pumps to a 115-volt

AC or 230-volt AC power source.

For installation in unclassified areas, the supplied power

cord, fuse and strain relief grip may be used.

NOTE: These components have not been evaluated as

part of the UL Listed Equipment and are not intended

for use in a Hazardous (Classified) Location.

To install the power cord, remove the electrical coverplate.

(Figure 1)

F I G U R E 1

Trim the power cord to the desired length. If your power

cord is not pre-stripped, strip 3 inches of outer insulation

from the power cord end. Then strip 1/2 inch of insulation

from the power cord wires. Slide the strain relief grip onto

the power cord so that the threaded end of the strain relief

grip faces the stripped power wires. (Figure 2)

F I G U RE 2

Insert the power cord through the 3/4 in. NPT connection

on the bottom of the pump.

Using wire nuts, connect the black wire to the black wire

and the white (or red) wire to the white (or red) wire in

the pump's electrical cavity. Position the wires inside the

electrical cavity and tighten the strain relief grip securely.

Inspect the mating surfaces of the electrical coverplate

and electrical cavity for debris. Clean any debris with

an alcohol wipe. If needed, re-apply a light coating of

Lubriplate® 1242 (or equivalent) white lithium grease

to coverplate perimeter, as shown in Figure 3. Reinstall

electrical coverplate and tighten screws securely to 95-

105 in•lbs (10.7-11.8 N•m).

F I G U RE 3

Apply grease around

perimeter, as shown

WARNING

Carefully route the power cord to the battery, protecting the power

cord from hot surfaces, sharp edges or anything that could damage

the power cord, resulting in a short circuit.

A fuse is provided to protect the power cord and motor. Install fuse

in the white (or red) wire of the power cord as close as possible

to the battery. Connect the red wire of the fuse to the positive

(ungrounded) side of battery. Connect black wire to the negative

(grounded) side of the battery.

Failure to follow these instruction could result in death, serious

injury or loss of equipment due to short circuit, fire or explosion.