Rev. A 921589-08
5252 East 36th Street North
W ichita, KS USA 67220-3205
TEL: 316-686-7361
FAX: 316-686-6746
05/09
M-150S-EM & M-150S-EA
Economy Fuel Pump
Do not leave the system running without fluids. “Dry running”
can damage the pump.
Do not pump the tank completely dry, as contaminants from the
bottom of the tank may enter the pump.
SAVE THIS OWNER’S MANUAL
GENERAL INFORMATION
These instructions will help you operate and maintain your
pump. This owner’s manual covers the 12-volt Economy Model
electric gear pumps with automatic and manual nozzles.
An automatic bypass valve prevents pressure build up when
the pump is on with the nozzle closed. To avoid damage, do
not run the pump more than 10 minutes with the nozzle
closed.
The duty cycle of this pump is 30 minutes ON and 30 minutes
OFF. Allow the pump to cool for 30 minutes.
This pump is designed for use only with gasoline (up to 15%
alcohol blends such as E15), diesel fuel (up to 20% biodiesel
blends such as B20) and kerosene. Do not use this pump for dis-
pensing any fluids other than those for which it was designed. To
do so may damage pump components and will void the warranty.
This pump is designed to operate on a typical 12-volt DC
automotive electrical system. The pump is designed to operate
with 12-volts DC at the motor leads and the ratings are deter-
mined at this voltage. Performance may vary due to length of
power cord, battery condition or output from vehicle charging
system that will affect system voltage.
SAFETY INSTRUCTIONS
INSTALLATION
S T O P
DO NOT RETURN THIS PRODUCT TO THE STORE!
Please contact GPI before returning any product. If you are
missing parts or experience problems with your installation,
our Customer Support Department will be happy to assist you.
GPI Customer Support
800-835-0113 or 316-686-7361
Observe all safety precautions concerning safe handling of
petroleum fuels.
To ensure safe operation, all fuel transfer systems must be
properly grounded. Proper grounding means a continuous metal-
to-metal contact from one component to the next, including
tank, bung, pump, meter, filter, hose, and nozzle. Care should be
taken to ensure proper grounding during initial installation and
after any service or repair procedures. For your safety, please
take a moment to review the warnings below.
To prevent physical injury, observe precautions against fire or
explosion when dispensing fuel. Do not operate the system in
the presence of any source of ignition including running or hot
engines, lighted cigarettes, or gas or electric heaters.
Observe precautions against electrical shock when operating
the system. Serious or fatal shock can result from operating
electrical equipment in damp or wet locations.
Inspect external pump wiring regularly to make sure it is cor-
rectly attached to the battery. To avoid electrical shock, use
extra care when connecting the pump to power.
Avoid prolonged skin contact with petroleum fuels. Use protec-
tive goggles, gloves and aprons in case of splashing or spills.
Change saturated clothing and wash skin promptly with soap
and water.
Observe precautions against electrical shock when servicing
the pump. Always disconnect power before repairing or servic-
ing. Never apply electrical power to the system when any of the
coverplates are removed.
If using solvent to clean pump components or tank, observe the sol-
vent manufacturer’s recommendations for safe use and disposal.
This pump is designed to self-prime with dry gears. Expect
suction lift as follows:
Manual Nozzle: 5.5 ft. (1.7 m) with diesel
6.7 ft. (2.1 m) with gasoline
Automatic Nozzle: 4.8 ft. (1.5 m) with diesel
5.8 ft. (1.8 m) with gasoline
If you require a greater initial prime height, coat the gears with
fluid by removing the plug on the top of the pump and pour a
small quantity of motor oil into the gear cavity. Replace the plug
and try again. A foot valve with pressure relief may be needed to
maintain prime.
Make sure all threaded fuel connections are wrapped with three
to four turns of thread tape or a pipe thread sealant approved for
use with petroleum fuels.
(4 pages)
(10 pages)
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