Owner manual

ALWAYS DISCONNECT POWER BEFORE REPAIRING OR
SERVICING THE PUMP. NEVER APPLY POWER TO THE
SYSTEM WHEN ANY COVERPLATE IS REMOVED.
A. SWITCH FAILS TO OPERATE MOTOR
1. Motor protector activated. Turn off switch. Allow motor
to cool, then turn on switch.
2. Fuse blown. Inspect fuse in fuse holder on power cord.
If blown, replace.
3. Switch or electrical connections faulty. Inspect for
damaged motor protector, defective wiring or switch, or
improper electrical connections. Replace as necessary.
4. Motor burned out. Inspect and replace as necessary.
B. MOTOR RUNS BUT DOES NOT PUMP FLUID
1. Suction pipe clogged, damaged, or missing. Remove
pump from tank. Inspect suction pipe. Clean or replace,
as necessary.
2. Gear coverplate or O-ring damaged. Remove and
inspect the coverplate and O-ring. Replace as necessary.
3. Strainer clogged or defective. Inspect and clean as
required.
4. Bypass poppet O-ring worn, missing or dirty. Inspect
the O-ring. Replace as necessary.
5. System air leak. Tighten all pump fittings and connec-
tions. Inspect suction pipe for leaks or damage.
6. Poor connections or low voltage. Make sure electrical
connections are secure. Also check battery voltage.
7. Fuel level low. Fill tank.
8. Motor running backwards due to incorrect polarity.
Connect red wire to positive (+) ungrounded side of
battery.
C. LOW FLOWRATE
1. Poor connections or low voltage. Make sure electrical
connections are secure. Also check battery voltage.
2. Strainer partially clogged. Inspect and clean as re-
quired.
3. Suction pipe too close to tank bottom or clogged.
Suction pipe must have at least 1/2 in. (1.2 cm) clearance
from bottom of tank.
D. MOTOR STALLS WHEN OPERATING IN BYPASS MODE
1. Motor protector activated. Turn off switch. Allow motor
to cool, then turn on switch.
2. Gears locked. Remove gear coverplate and inspect
gears and drive key. Make sure gears turn freely with the
key removed. Replace, if worn.
3. Bypass poppet binding or damaged. Remove the by-
pass poppet, spring, and O-ring. Clean cavity. Inspect
components and replace as necessary.
4. Motor defective. Inspect and replace as necessary.
E. RAPID OVERHEATING OF MOTOR
1. Duty cycle too long. Pump operation should not exceed
the standard duty cycle of 30 minutes on and 30 minutes
off. Allow the pump to cool for 30 minutes.
2. Strainer clogged. Remove strainer coverplate. Remove
and clean strainer.
3. Suction pipe clogged or damaged. Remove pump from
tank. Inspect suction pipe. Clean or replace as neces-
sary.
4. Gears worn. Remove gear coverplate and inspect gears
and drive key. Make sure gears turn freely with key
removed. Replace as necessary.
5. Running too long in bypass mode. Limit bypass opera-
tion to 10 minutes.
TROUBLESHOOTING SPECIFICATIONS
Applications:
The M-150S-EM/EA Fuel Pump is designed to safely transfer
low viscosity petroleum fuels such as gasoline (up to 15%
alcohol blends such as E15), diesel fuel (up to 20% biodiesel
blends such as B20) and kerosene. The pump is designed for
permanent mounting on vented storage tanks.
Pump Housing:
Lightweight, corrosion-resistant, cast aluminum body.
Performance:
Pump Rate: Up to 15 GPM (57 LPM)
Duty Cycle: 30 min. ON, 30 min. OFF
Suction Lift: Manual Nozzle: Up to 5.5 ft. (1.7 m)
Automatic Nozzle: Up to 4.8 ft. (1.5 m)
Operating Temperature:
-20°F to +125°F (-29°C to +52°C)
Operating Pressure:
15 PSI
Electrical Specifications:
Input: 12-volt DC
Cord: 18 ft. of 12/2 AWG (5.5 m)
Current Draw: 18 amp
Motor Protection: 20 amp circuit breaker
Fuse: 25 amp
Motor: 1900 RPM, UL Listed, CSA Certified. 1/5 HP (150 watts)
Mechanical Connections:
Bung: 2 in. NPT Inlet: 1 in. NPT Outlet: 3/4 in. NPT
Accessories:
3/4 in. x 10 ft. (3.0 m) Buna-N electrically conductive dis-
charge hose.
3/4 in. manual unleaded nozzle
3/4 in. automatic unleaded nozzle
Shipping Weight:
23 lbs. (10.5 kg) with manual nozzle
24 lbs. (10.8 kg) with automatic nozzle
In order to preserve the UL Listing for the motor, do not attempt
to service the motor. For products serviced outside the factory, the
UL nameplate must be defaced to indicate that the equipment
may no longer meet the requirements for UL Listing. This does not
apply to products serviced outside the factory under the UL
program for Rebuilt Motors for Use in Hazardous Locations.
For warranty consideration, parts, or other service information,
please contact your local distributor or the GPI Customer Service
Department in Wichita, Kansas, during normal business hours at:
1-800-835-0113
To obtain prompt, efficient service, always be prepared with the
model number of your pump, the serial number or manufacturing
date code of your pump, and part descriptions and numbers.
For warranty work, always be prepared with your original sales slip
or other evidence of purchase date.
Please contact GPI before returning any parts. GPI can inform you
of special requirements you will need to follow.
CAUTION: Do not return the pump or parts without authority from
the Customer Service Department. Due to strict government
regulations, GPI cannot accept parts unless they have been
drained and cleaned.
PARTS AND SERVICE