Liquip Sales GPI EZ-8, Owner'S Manual, Page: 8 / 12

921803-01 Rev F 8
• Running too long in bypass mode. Limit by-
pass operation to 5 minutes.
• Strainer clogged. Inspect and clean as re-
quired.
• Suction pipe clogged or damaged. Remove
pump from tank. Inspect suction pipe. Clean
or replace as necessary.
SPECIFICATIONS
Applications for
EZ-8
Low viscosity petroleum fuels:
Gasoline (up to 15% alcohol blends
such as E15
Diesel fuel (up to 20% biodiesel
blends such as B20)
Kerosene
Designed for permanent mounting
on vented storage tanks
Applications for
EZ-8 Methanol
Methanol and Ethanol
Gasoline
Diesel fuel (up to 20% biodiesel
blends such as B20)
Kerosene
Pump housing
Lightweight, corrosion-resistant,
cast aluminum body.
Performance
Pump rate Up to 8 GPM (30 LPM)
Duty cycle 15 minutes ON, 30 minutes OFF
Suction lift Manual nozzle: Up to 5.5 ft. (1.7m)
Operating
temperature
-20oF to +125oF (-29oC to +52oC)
Operating
pressure
15 PSI
Electrical
specifications
Input: 12-volt DC
Current draw: 11 amp
Motor: 2100 RPM, UL Listed to UL
Canadian Standards, 1/10 HP (75
watts)
Mechanical
connections Bung: 2 in. NPT, Inlet: 3/4 in. NPT,
Outlet: 3/4 in. NPT
Accessories
5/8 in. x 10 ft. (3.0m) Buna-N elec-
trically conductive discharge hose
Standard 3/4 in. manual unleaded
nozzle
Cord: 15 ft. (4.6m), 14/2 gauge
Fuse: 20 amp
Strain relief grip
Shipping weight
16.0 lbs. (7.5 kg) with manual
nozzle
LOW FLOWRATE
• Fuel tank empty. Fill tank.
• Strainer partially clogged. Inspect and clean
as required.
• Suction pipe clogged or damaged. Remove
pump from tank. Inspect suction pipe. Clean
or replace.
• Suction pipe too close to tank bottom. Suction
pipe must have at least 1/2 in. (1.2 cm) clear-
ance from bottom of tank.
• System air leak. Tighten all pump fittings and
connections. Inspect suction pipe for leaks or
damage. Replace as necessary.
• Poor connections or low voltage. Make sure
electrical connections are secure. Also check
battery voltage.
MOTOR STALLS WHEN OPERATING IN
BYPASS MODE
• Bypass poppet binding or damaged. Remove
the bypass poppet, spring, and O-ring. Clean
cavity. Inspect components and replace as
necessary.
• Wiring defective. Use instructions in the In-
stallation Section to ensure proper electrical
connections.
• Gears locked. Remove gear coverplate and
inspect gears and drive key. Make sure gears
turn freely with the key removed. Replace, if
worn.
• Motor defective. Inspect and replace as nec-
essary.
SWITCH FAILS TO OPERATE MOTOR
• Switch or electrical connections faulty. Inspect
for blown fuse, defective wiring or switch, or
improper electrical connections. Replace as
necessary.
• Motor burned out. Inspect and replace as
necessary.
RAPID OVERHEATING OF MOTOR
• Fuel level low. Fill tank.
• Duty cycle too long. Pump operation should
not exceed the standard duty cycle of 15 min-
utes on and 30 minutes off. Allow the pump to
cool for 30 minutes.