Wayne GPH400, 320802-001, GPH550 User Manual
Engine Driven
Semi-Trash
Pump
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.
1
Operating Instructions and Replacement Parts List GPH400 and GPH550
The Wayne pumps are general use
centrifugal water pumps.
This manual contains information that is
very important to know and understand.
This information is provided for SAFETY
and to PREVENT EQUIPMENT PROBLEMS.
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
hazardous situation which, if not avoided,
may result in minor or moderate injury.
Notice indicates
important
information, that if not followed, may
cause damage to equipment.
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.
Never run engine in an
enclosed area. Exhaust gases
contain deadly poisonous carbon
monoxide, which has no odor or taste.
320802-001 12/03
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.
Do not 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,
disconnect the spark plug wire and
mount it on the grounding clip.
Complete pump
and piping system
MUST be protected against below
freezing temperature. Failure to do so
could cause serious damage and voids
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 may shorten
the life of the pump and may be
hazardous to the operator.
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. Always use a suction strainer with this
pump to filter large material.
This pump is designed to be selfpriming when installed and operated as
specified below.
1. The pump should be placed as close
as possible to the liquid 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).
2. Suction hose and fitting must be
airtight.
Description
Safety Guidelines
General Safety
Information
Installation
Figure 1
20 Ft.
Suction Lift
5 Ft.
Suction
Lift
Operating Instructions and Replacement Parts List
2
An air leak in the
suction line may
prevent priming of the pump. Use of
thread sealant is recommended.
Suction lines must be reinforced
hose or rigid pipe. Non-reinforced
hose will collapse due to the suction
created by the pump and prevent
pump from operating.
3. A check valve must be used in the
suction line to maintain the selfpriming capability. If no check valve
is used the pump will need to be
primed at the start of each
operation. For best operation, the
check valve should be installed at the
intake of the suction line.(Figure 2).
4. A suction strainer is required to
filter abrasive material.
5. The discharge hose and fitting
should be leak-tight. A leak in the
discharge hose will allow water to
spray around the work site, making
the site hazardous.
6. Keep all pipes and hose lines as
short and straight as possible. Long
lengths and curves in the pipes and
hose lines will reduce the pressure
the pump develops.
7. Fill the engine crankcase with oil.
Refer to the engine operating
manual for the specific grade of oil
and amount required.
8. Fill the engine fuel tank with
gasoline. Refer to the engine
operating manual for specific
gasoline type that is most efficient
for this engine.
9. Add water to the priming port on
the pump (See Figure 3). Continue
adding water until the water level is
approximately 3 inches from the
top. Install the priming plug. The
water in the pump will create the
suction that primes the pump.
10. Turn fuel valve to ‘ON’ position.
11. Move choke lever to ‘CHOKE’
position.
12. Move throttle lever to ‘START’
position.
13. Pull engine crank until engine starts.
Once engine starts, move choke
lever to ‘RUN’ position.
14. The pump will take several minutes
to prime.
PIPING
Always place the pump as close as
possible to the liquid being pumped.
Keep all pipe and hose lines as short and
straight as possible.
Support pump and
piping when
assembling and after installation. Failure
to do so may cause piping to break, pump
to fail, etc; all of which can result in
property damage and/or personal injury.
All suction connections must be airtight.
If the pump won’t prime, check for leaks
in the suction piping or fittings. If flexible
suction hose is used instead of pipe, use
reinforced hose with a two inch inner
diameter. Non-reinforced flexible hose
may collapse from the vacuum created as
the pump primes.
Always use a strainer at the end of the
suction pipe or hose. Position strainer so
it doesn’t become clogged with stones or
debris. A suction line check valve is
recommended.
Figure 2
Figure 3
Do not use this pump for suction lifts
over twenty-five feet.
Always shut off the engine, allow the
engine to cool, and remove the spark
plug before performing any
maintenance.
During freezing weather, open the drain
port and allow all the water in the pump
to drain. This will prevent damage to the
pump when the water freezes. If the
pump will be stored for a month or
more, drain the water from the pump
and follow the engine manufacturer’s
recommendations for long-term storage.
The Honda engine is equipped with a
low oil shut off sensor. The enigne will
shut down and will not restart if the oil
level becomes low.
Maintenance
Installation
(Continued)
Priming
Port
3
Operating Instructions and Replacement Parts List
FEET FRICTION LOSS IN 100 FEET OF PLASTIC PIPE
Gallons Per Minute
Pipe
Size 20 25 30 40 50 60 80 100 120
11/
4
5.6 8.5 11.9 20.2 30.5
11/
2
2.6 4.0 5.5 9.4 14.3 19.9 34.2
2 1.2 1.6 2.8 4.2 5.8 9.9 15.0 21.2
21/
2
1.2 1.8 2.5 4.2 6.3 8.8
Performance Information
Semi-Trash Pump Performance
Discharge Head
Gallons/Hour
GPH550
GPH400
Gas Performance
GAS PERFORMANCE
Model Discharge Head HP 0’ 20’ 40’ 60’ 80’
GPH400 Gallons/Hour 4.0 6600 5700 5100 4500 3900
GPH550 Gallons/Hour 5.5 16800 14400 12000 9000 4620
4
®
LAY FLAT DISCHARGE HOSE
PART #16511
• Economical
• Lightweight
• Resistant to oils, light chemicals,
abrasion and sunlight
• Will not rot, mildew or absorb
water
Hose couples one end with 2” hose
thread. One 25 ft. hose per carton
SUCTION HOSE
PART #16510-002
• Reinforced to prevent collapse
under suction
Hose coupled both ends with 2” hose
thread. One 20 ft. hose per carton
2” SUCTION STRAINER
PART #66036
• Prevents stones, leaves and other
debris from clogging pump
For Pump Accessories, call 1-800-237-0987
Please provide following information:
- Model number
- Serial number (if any)
- Part description and number as shown
Address parts correspondence to:
Wayne Water Systems
100 Production Drive
Harrison, OH 45030
Operating Instructions and Replacement Parts List
400 PUMP
4HP HONDA OHV GPH400
550 PUMP
5.5 HP HONDA OHV GPH550
3” HOSE KIT 62025-WYN1
2” HOSE KIT 62005-WYN1
Loading...