Wayne GPB400 Water Pump User Manual

Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described. Protect
yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or property damage!
Retain instructions for future reference.
Engine Driven
Centrifugal Pump
The WAYNE pumps are general use
centrifugal water pumps. The pump
is equipped with EPDM seals that are
intended for water use only.
Safety Guidelines
This manual contains information that is
very important to know and understand.
This information is provided for SAFETY
To help recognize this information,
observe the following symbols.
Danger indicates an
imminently hazardous
situation which, if NOT avoided, WILL
result in death or serious injury.
Warning indicates a
potentially hazardous
situation which, if NOT avoided, COULD
result in death or serious injury.
Caution indicates a
potentially minor or
moderate injury, if NOT avoided, MAY
result in serious injury.
Notice indicates
information, that if NOT followed, MAY
cause damage to equipment.
General Safety
This product may
contain chemicals
known to the State of California to
cause cancer and birth defects or other
reproductive harm. Wash hands after
1. Know the pump application,
limitations, and potential hazards.
Read these rules and the instructions
carefully. Failure to follow them could
cause serious bodily injury and/or
property damage.
engine in
an enclosed area. Exhaust
gases contain deadly
poisonous carbon monoxide,
which has no odor or taste.
Do NOT use
to pump
flammable or explosive fluids
such as gasoline, fuel oil,
kerosene, etc. Do NOT use in
flammable and/or explosive atmospheres.
Pump SHOULD only be used with liquids
compatible with pump component materials.
Failure to follow this warning CAN result in
personal injury and/or property damage.
2. Observe all safety precautions for the
handling of the fuel.
refuel a
hot engine. Fuel spilled on a
hot engine could result in a
fire or explosion. Do NOT
refuel a running engine.
3. Pump should be located and should
rest on a level solid foundation. Do
NOT suspend pump by means of the
discharge pipe.
Be sure pump is on
secure footing so it
doesn’t fall over.
4. Do NOT use torches or apply excessive
heat, fire or flames to this pump as an
explosion may result.
5. Before working on the unit, insulate
the wire from the spark plug, by
disconnecting the spark plug wire from
the spark plug.
Complete pump and
piping system
MUST be protected against below freezing
temperature. Failure to do so COULD cause
serious damage and WILL void the warranty.
6. Do NOT run pump dry. Water is
required to lubricate the shaft seal.
7. Pumping chemicals or corrosive liquids
with this pump will shorten the life of
the pump and may be hazardous to the
operator and void the warranty.
8. Personal Safety:
a. Wear safety glasses at all times when
working with pumps.
b. Keep work area clean, uncluttered
and properly lighted; replace all
unused tools and equipment.
c. Keep visitors at a safe distance from
the work area.
d. Make workshop child-proof with
padlocks, master switches, and by
removing starter keys.
9. This pump is designed for non-abrasive
fluid transfer; do NOT use as a trash
pump. ALWAYS use a suction strainer
with this pump to filter abrasive
material. Abrasive materials such as sand
and gravel will shorten the life of the
This pump is designed to be self-priming
when installed and operated as specified
1. The pump should be placed as close as
possible to the water being pumped.
A pump with 20 foot suction lift will
not remove water as quickly as a pump
with 5 foot suction lift (Figure 1).
Operating Instructions and Replacement Parts List
REMINDER: Keep your dated proof of purchase for warranty purposes!
Attach it to this manual or fi le it for safekeeping.
© 2011, WAYNE/Scott Fetzer Company.
320605-001 8/11
For parts, product & service information
visit www.waynepumps.com
Figure 1
5 Ft.