Product Manual

3
NPT tank tting. For the suction pipe, a 1-inch galvanized steel
pipe cut to length and threaded on one end may be used. Suc-
tion 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
tting 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.
Connect to a Power Source
Please consult the Owner’s Manual for your vehicle
before proceeding.
NOTE: Models M-3025 and M-3025CB must be con-
nected to a 12-volt DC power source only.
Models M-3425 and M-3425CS must be connected to
a 24-volt power source only.
Do not attempt connection of any pump to a 115-volt
AC or 230-volt AC power source.
WARNING: Do not attempt to power the pump from
vehicle wiring smaller than 10 gauge, such as the
cigarette lighter wire, as these thin wires could
overheat and cause a re.
NOTE: This pump is pre-wired for installation in
CLASS I, DIVISION 2 locations such as portable fuel
tanks, trailers, etc. Connection to a battery will de-
pend upon the application.
WARNING: If pump is to be installed in
a CLASS I, DIVISION I location please
contact GPI for the appropriate product.
Verify switch is in OFF position, then route the electri-
cal wires to the source of the vehicle power system.
Be sure to support the wires as necessary and protect
them from sharp edges, heat or anything that could
damage the wires.
Step 1
If the power cord provided is too long cut to desired
length. Carefully strip 3 to 4 inches (7.5 to 10 cm) of
outer insulation from end of power cord. DO NOT CUT
INNER WIRES. Next, strip ¼ inch (0.6 cm) of insulation
from the black and red power cord wires.
Step 2
For a negative ground system, rst disconnect the
vehicle’s ground wire, and then wire as follows: Insert
one end of the fuse (J) into the wire connector (H) and
crimp. Insert the red power cord wire into the other end
of the wire connector and crimp. Make sure the fuse is
positioned outside of hazardous areas and as close to
the battery as possible. Make a solid electrical con-
nection to the grounded side of the battery with the
remaining black wire. Connecting directly to the bat-
tery terminal or the end of the battery cable is recom-
mended.
Step 3
For temporary wiring: Connect the red and black power
cords to alligator clamps (not included) (Figure 6).
Figure 6
Step 4
For permanent wiring:
Connect the red and black power cords to terminal
post rings (not included) (Figure 7).
Figure 7
Step 5
Check all connections to make sure they are connected
per instructions and all electrical codes. The installation
is now complete.
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, re or explosion.
WARNING
If the pump is to be installed in a Hazardous (Classied) loca-
tion, it must be installed by a licensed electrician and conform
to National Fire Protection Association (NFPA) codes 30 and
70. You, as the owner, are responsible for seeing that the
installation and operation of your pump complies with NFPA
codes as well as any applicable state and local codes. Rigid
conduit must be used to install wiring. Note that the lead wires
are factory-sealed isolating the motor from the junction box.
Failure to follow these wiring instructions may result in death
or serious injury from shock, re or explosion.
DANGER
Install Hose and Nozzle
All threaded fuel connections must be sealed with thread tape
or a pipe thread sealing compound approved for use with pe-
troleum fuels.