1P579F
Form 5S5193
Rev. 01/2005
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Operating Instructions and Parts Manual 1P579F
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described.
Protect yourself and others by obeying all Safety Information. Failure to comply with Instructions could result in personal injury and/or
property damage! Retain instructions for future reference.
Dayton
™
Marine Utility Pump
Description
Dayton marine utility pump is designed for general commercial and
industrial applications. Unit is designed for water, but is not submersible.
For use transferring liquids, emptying or filling tanks, sinks or bowls. The
pump can be used to pump bilge water, but the pump must not be
located in the bilge area. Self-priming to 7 ft. if the impeller is initially
wet (primed). Intermittent duty. Carrying handle included.
NOTE: Unit is NOT RECOMMENDED for use with soap detergents, gasoline,
waste oil, fuel oil, flammable, explosive or combustible liquids or other
fluids not compatible with pump component materials. Do not use unit
in enclosed areas. Intermittent duty only (15 minutes per hour).
Unpacking
When unpacking the unit, inspect carefully for any damage that may
have occurred during transit. Check for loose, missing, or damaged parts.
Two extra impellers and gaskets are included with pump.
Specifications
Power supply required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115V, 60Hz
Fuse requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Amps
Maximum liquid temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140°F
Minimum liquid temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40°F
Thermal protection . . . . . . . . . . . . . . . . . . . . . . . . . . . .Automatic Resetting
Motor amps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.60 Amps
Duty Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Intermittent
Dimensions
Figure 1 - Dimensions
Printed in U.S.A.
05655
1204/399/VCPVP
998327
Dayton Operating Instructions and Parts Manual 1P579F
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Safety Guidelines
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.
1. Know the pump application,
limitations, and potential hazards.
2. WARNING: Do not handle a
pump or pump motor with wet
hands or when standing on a
wet or damp surface, or in water.
3. The pump is not submersible and
is intended for open-air use only.
4. Disconnect power before
servicing a motor or its load.
If the power disconnect is outof-sight, lock it in the open
position and tag it to prevent
unexpected application of power.
5. Release all pressure within the
system before servicing any
component.
6. Drain all liquids from the system
before servicing.
7. The pump motor is equipped
with an automatic resetting
thermal protector and may
restart unexpectedly. Protector
tripping is an indication of
motor overloading as a result
of operating the pump at low
heads (low discharge restriction), excessively high or low
voltage, inadequate wiring,
pumping too hot a liquid,
incorrect motor connections,
or a defective motor or pump.
Read troubleshooting chart.
WARNING
8. Do not touch an operating
motor. Modern motors are
designed to operate at high
temperatures.
9. Provide adequate protection and
guarding around moving parts.
10. Secure the discharge line
before starting the pump. An
unsecured discharge line will
whip, possibly causing personal
injury and/or property damage.
11. Check hoses for weak or worn
condition before each use, making
certain that all connections are
secure.
12. Periodically inspect pump and
system components. Perform
routine maintenance as required
(see Maintenance section).
13. Provide a means of pressure
relief for pumps whose discharge line can be shut-off or
obstructed.
14. Personal Safety: Wear safety
glasses at all times when
working with pumps.
Electrical Connections
1. Make certain that power
source conforms to the requirements of your equipment.
2. When wiring an electrically
driven pump, follow all electrical
and safety codes, as well as the
most recent National Electrical
Code (NEC) and the Occupational
Safety and Health Act (OSHA)
in the United States.
3. This equipment is only for use
on 115 volt (single-phase) and
is equipped with an approved
3-conductor cord and 3-prong,
grounding-type plug.
4. To reduce the risk of electric
shock, the unit should be
plugged directly into a properly
installed and grounded 3-prong
grounding-type receptacle. The
green (or green and yellow)
conductor in the cord is the
grounding wire. The motor
must be securely and adequately
grounded for your protection
against shock hazards! Never
connect the green (or green and
yellow) wire to a live terminal!
5. Where a 2-prong wall receptacle
is encountered, it must be
replaced with a properly
grounded 3-prong receptacle
installed in accordance with
the National Electrical Code
and local codes and ordinances.
6. To ensure a proper ground, the
grounding means must be tested
by a qualified electrician. Use
only 3-wire extension cords
that have 3-prong, groundingtype plugs and receptacles that
accept the equipment plug.
7. All wiring should be performed
by a qualified electrician.
8. Protect electrical cord from
sharp objects, hot surfaces, oil
and chemicals. Avoid kinking
the cord. Replace or repair
damaged or worn cords
immediately.
9. When using an extension cord,
make sure wire is of adequate
size to minimize voltage drop
at the motor.
Dayton
™
Marine Utility Pump
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Installation
In any installations where
property damage and/or personal
injury might result from an
inoperative or leaking pump due
to power outages, discharge
line blockage, or any other
reason, a backup system(s)
should be used. In order to
safely use this product, familiarize yourself with this pump and
also with the liquid (chemical,
etc.) that is going to be pumped
through the unit. This pump is
not suitable for many liquids.
1. Pump should be placed as close
to source of liquid and power as
possible, not more than 7 feet
above liquid source and not more
than 25 feet from power source.
2. Use reinforced plastic or fabric
tubing or metal pipe for the
suction side of the pump. This
will prevent collapse of the
suction piping. Discharge piping
should never be larger than
suction piping!
3. Attach suction line piping to the
suction inlet and discharge line
piping to the discharge outlet.
4. Avoid using looped sections of
pipe which might permit air to
become entrapped.
5. Piping should be checked for any
leaks at the connections. Small
leaks in suction line greatly
reduce efficiency of pump and
may prevent priming. Pump
should be permanently mounted;
never operate a pump unless it
is secured to a solid foundation.
6. Do not operate pump dry.
Impeller and mechanical seal
damage will result.
WARNING
7. Protect pump from extreme
heat, cold. and humidity. This
unit is not waterproof and is
not intended to be used in
showers, saunas, or other
potentially wet locations.
8. The motor is designed to be
used in a clean, dry location
with access to an adequate
supply of cooling air. Ambient
temperature around the motor
should not exceed 104°F (40°C).
For outdoor installations motor
must be protected by a cover
that does not block airflow to
and around the motor. This unit
is not weatherproof, nor is it
able to be submersed in water
or any other liquid. Do not use
in or near swimming pool or spa.
9. Install a foot valve and prime
pump when suction lift is over
six feet or when suction line is
longer than six feet.
10. It is strongly recommended that
this unit is plugged into a GFCI
(Ground Fault Circuit Interrupter).
Consult your local electrician
for installation and availability.
Operation
1. Pumps are self-priming and
should prime themselves within
30 seconds after pump is started.
Wetting impeller with pumped
fluid and keeping the impeller
coated with petroleum jelly will
lengthen its life and improve
priming action. Running the
impeller dry for as short as 30
seconds can ruin the impeller. Keep
suction line as short as possible.
NOTE: An easy way to prime the
pump (wet impeller), if using a
garden hose, is to fill the discharge
hose; elevate the discharge hose
slightly to retain water and start
WARNING
the pump. Another method would
be to disconnect the discharge hose
from the pump, making a U-bend
of the discharge hose. Fill the hose
then reconnect (without losing the
water) to the pump. In both cases
the water behind the impeller will
seal the pump and it should prime
almost immediately.
2. Unit can be turned on and off
by plugging & unplugging cord
into 115V outlet.
3. Do not run at heads greater
than 35 feet (15psig).
Because unit is thermally protected, it is designed to shut off
temporarily in an over-heat
condition; therefore, pumping
extremely hot liquids is not
recommended. Also, to protect
the impeller from breakage, do
not pump liquids with a temperature less than 40°F.
Do not submerge pump or
motor in water.
Maintenance
Make certain the unit is disconnected from the power source
before attempting to service or
remove any component!
1. Always drain pump when not
in use.
2. If pump is not going to be used
for a month or longer, flush with
fresh water and remove body
cover, take impeller out, clean
inside body and apply generous
coating of Vaseline
®
, to both
inside body and impeller before
replacing impeller in body.
CAUTION
WARNING
CAUTION
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Dayton Operating Instructions and Parts Manual
Model 1P579F
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Dayton Operating Instructions and Parts Manual 1P579F
3. Pump should be checked daily,
weekly, monthly, etc., for proper
operation. If anything has changed
since unit was new, unit should
be removed and repaired or
replaced. Only qualified electricians
or servicemen should attempt
to repair this unit. Improper
repair and/or assembly can
cause an electrical shock hazard.
TO REPLACE IMPELLER:
NOTE: Impeller replacement is not
a warranty item.
1. Replace impeller when worn,
damaged by foreign objects, run
dry or when pumping a liquid
not compatible with impeller.
2. Obtain service Repair Kit
No.1R387A.
3. Remove cover plate and gasket.
4. Remove impeller.
5. Grease the new impeller with
Vaseline petroleum jelly or similar
lubricant and align the flat on the
inside of the impeller with the
flat on the motor shaft. Push
impeller into place and at the same
time twist in clockwise direction.
This will bend the blades in the
direction required for running.
6. Replace cover using new gasket
provided with each 1R387A Repair
Kit. Tighten all screws evenly and
snugly. DO NOT over-tighten.
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Troubleshooting Chart
Symptom Possible Cause(s) Corrective Action
Pump will not run
1. No electricity
2. Brushes worn out
3. Impeller jammed
4. Motor has open circuit
5. Motor overheated
1. Determine that outlet is for 115VAC
2. Replace
3. Clear obstruction
4. Replace
5. Motor has Automatic Thermal Protector. Wait for
fifteen minutes for motor to cool, then restart.
Liquid may be too hot.
Pump runs but no fluid is
pumped.
1. Faulty suction piping
2. Defective impeller
3. Suction lift too high
4. Discharge height too great
5. Clogged inlet
6. Pump too far from liquid
1. Repair or replace
2. Replace
3. Lower pump
4. Lower the height
5. Clean or replace
6. Relocate
Pump will not prime or retain
prime after operating.
1. Air leak in suction line
2. Defective impeller
3. Seal worn
4. Gasket leaking
5. Groove worn in shaft at seal area
6. Suction lift too high
7. Hose kinked
8. Hose fitting not tight on head
9. Inadequate impeller lubrication
1. Repair or replace.
2. Replace
3. Replace
4. Replace
5. Replace motor
6. Lower pump
7. Straighten hose
8. Tighten hose
9. Lubricate through inlet or outlet of pump head.
See note in Operation.
Flow rate is low
1. Piping or hose is fouled or damaged
2. Clogged impeller
3. Worn cam or impeller
4. Voltage incorrect
1. Clean or replace
2. Clear obstruction
3. Replace
4. Supply to be 115VAC, 60Hz
Shaft seal leaks
1. Seal worn out
2. Shaft grooved
3. Pump head loose on motor
1. Replace
2. Replace motor
3. Repair
Motor runs too hot
1. Voltage incorrect
2. Excessive discharge pressure
3. Impeller swollen
4. Liquid too viscous
5. Plugged or kinked discharge
6. Insufficient air flow on motor
1. Supply to be 115VAC, 60Hz
2. Reduce pressure
3. Replace
4. Reduce viscosity of liquid
5. Examine and repair
6. Be sure ample fresh air is available at the motor.
Dayton
™
Marine Utility Pump
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Dayton Operating Instructions and Parts Manual
For Repair Parts, call 1-800-323-0620
Please provide the following information:
— Model number
— Serial number (if any)
— Part description and number as shown in parts list
Address parts correspondence to:
Grainger Parts
P.O. Box 3074
1657 Shermer Road
Northbrook, IL 60065-3074
1P579F Repair Kit
Repair Parts List
Part No. Description Qty.
155331 Gasket 2
155310 Impeller 2
Impeller
Cover Mounting Screws
Cover Plate
Gasket
Figure 2 - Repair Parts Illustration
Model 1P579F
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Limited Warranty
DAYTON 90-DAY LIMITED WARRANTY. Dayton marine utility pump, Models covered in this manual, are war-
ranted by Dayton Electric Mfg. Co. (Dayton) to the original user against defects in workmanship or materials under
normal use for 90 days after date of purchase. Any part which is determined to be defective in material or workmanship and returned to an authorized service location, as Dayton designates, shipping costs prepaid, will be, as
the exclusive remedy, repaired or replaced at Dayton’s option. For limited warranty claim procedures, see
PROMPT DISPOSITION below. This limited warranty gives purchasers specific legal rights which vary from jurisdiction to jurisdiction.
LIMITATION OF LIABILITY. To the extent allowable under applicable law, Dayton’s liability for consequential
and incidental damages is expressly disclaimed. Dayton’s liability in all events is limited to and shall not exceed
the purchase price paid.
WARRANTY DISCLAIMER. Dayton has made a diligent effort to provide product information and illustrate the
products in this literature accurately; however, such information and illustrations are for the sole purpose of
identification, and do not express or imply a warranty that the products are merchantable, or fit for a particular
purpose, or that the products will necessarily conform to the illustrations or descriptions.
Except as provided below, no warranty or affirmation of fact, expressed or implied, other than as stated in the
”LIMITED WARRANTY” above is made or authorized by Dayton.
PRODUCT SUITABILITY. Many jurisdictions have codes and regulations governing sales, construction, installation, and/or use of products for certain purposes, which may vary from those in neighboring areas. While Dayton
attempts to assure that its products comply with such codes, it cannot guarantee compliance, and cannot be
responsible for how the product is installed or used. Before purchase and use of a product, review the product
applications, and all applicable national and local codes and regulations, and be sure that the product, installation,
and use will comply with them.
Certain aspects of disclaimers are not applicable to consumer products; e.g., (a) some jurisdictions do not allow the
exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply
to you; (b) also, some jurisdictions do not allow a limitation on how long an implied warranty lasts, consequently
the above limitation may not apply to you; and (c) by law, during the period of this limited warranty, any implied
warranties of implied merchantability or fitness for a particular purpose applicable to consumer products purchased
by consumers, may not be excluded or otherwise disclaimed.
PROMPT DISPOSITION. Dayton will make a good faith effort for prompt correction or other adjustment with
respect to any product which proves to be defective within limited warranty. For any product believed to be
defective within limited warranty, first write or call dealer from whom the product was purchased. Dealer will
give additional directions. If unable to resolve satisfactorily, write to Dayton at address below, giving dealer’s
name, address, date, and number of dealer’s invoice, and describing the nature of the defect. Title and risk of
loss pass to buyer on delivery to common carrier. If product was damaged in transit to you, file claim with carrier.
Manufactured for Dayton Electric Mfg. Co., 5959 W. Howard St., Niles, Illinois 60714 U.S.A.
Dayton Operating Instructions and Parts Manual 1P579F
Dayton
™
Marine Utility Pump
Manufactured for Dayton Electric Mfg. Co.
Niles, Illinois 60714 U.S.A.
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