Generac Semi-Trash G0068220 Manuel utilisateur

Water Pump

Owner’s Manual

MODEL:________________________

SERIAL:________________________

DATE PURCHASED:______________

Register your Generac product at:

register.generac.com

1-888-922-8482

SAVE THIS MANUAL FOR FUTURE REFERENCE

Table of Contents

Section 1 Introduction and Safety 1

Introduction ..................................... 1

Safety Rules .................................... 1

Safety Symbols and Meanings ........ 2

Exhaust Hazards ............................. 2

Fire Hazards .................................... 3

Fuel Hazards ................................... 3

Before Starting Equipment .............. 3

When Operating Equipment ............ 3

When Transporting or Repairing

Equipment ....................................... 3

When Storing Fuel or Equipment with

Fuel In Tank .................................... 3

Section 2 General Information and

Setup .............................................. 4

Know Your Water Pump .................. 4

Product Specifications ..................... 4

Emissions Information ..................... 4

Remove Contents from Carton ....... 4

Add Engine Oil ................................ 5

Add Fuel .......................................... 5

Assembly ......................................... 6

Connect the Hoses .......................... 6

Priming the Pump ............................ 6

Section 3 Operation .......................7

Operation and Use Questions .........7

Pump Output ...................................7

High Altitude Operation ...................7

Transporting / Tipping ......................8

Before Starting Engine ....................8

Starting the Engine ..........................8

Preventing Water Hammer ..............9

Water Pump Shut Down ..................9

After Each Use ................................9

Section 4 Maintenance and

Troubleshooting ..........................10

Maintenance Recommendations ...10

Maintenance Schedule ..................10

Preventive Maintenance ................10

Engine Maintenance ......................10

Storage ..........................................12

Troubleshooting .............................13

(000393a)

WARNING

CANCER AND REPRODUCTIVE HARM

www.P65Warnings.ca.gov.

Introduction and Safety

Owner’s Manual for Water Pump 1

Section 1 Introduction and Safety

Introduction

Thank you for purchasing a Generac Power

Systems Inc. product. This unit has been

designed to provide high performance,

efficient operation, and years of use when

maintained properly.

Read this manual thoroughly and understand

all of the instructions, cautions, and warnings

before using this equipment. If any section of

the manual is not understood, contact your

nearest independent authorized service

dealer or contact Generac Customer Service

at 1-888-GENERAC (1-888-436-3722), or

www.generac.com with any questions or

concerns.

The owner is responsible for proper

maintenance and safe use of the equipment.

Before operating, servicing or storing this

water pump:

• Study all warnings in this manual and on

the product carefully.

• Become familiar with this manual and the

unit before use.

• Refer to the Assembly section of the

manual for instructions on final assembly

procedures. Follow the instructions

completely.

Save these instructions for future reference.

ALWAYS supply this manual to any individual

that will use this machine.

The information in this manual is accurate

based on products produced at the time of

publication. The manufacturer reserves the

right to make technical updates, corrections,

and product revisions at any time without

notice.

Safety Rules

The manufacturer cannot anticipate every

possible circumstance that might involve a

hazard. The warnings in this manual, and on

tags and decals affixed to the equipment are,

therefore, not all inclusive. If using a

procedure, work method or operating

technique that the manufacturer does not

specifically recommend, verify that it is safe

for others. Also make sure the procedure,

work method or operating technique utilized

does not render the equipment unsafe.

Throughout this publication, and on tags and

decals affixed to the water pump, DANGER,

WARNING, CAUTION and NOTE blocks are

used to alert personnel to special instructions

about a particular operation that may be

hazardous if performed incorrectly or

carelessly. Observe them carefully. Their

definitions are as follows:

NOTE: Notes contain additional information

important to a procedure and will be found

within the regular text of this manual.

These safety warnings cannot eliminate the

hazards that they indicate. Common sense

and strict compliance with the special

instructions while performing the action or

service are essential to preventing accidents.

(000100a)

WARNING

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

(000001)

DANGER

Indicates a hazardous situation which, if not avoided,

will result in death or serious injury.

(000002)

WARNING

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

(000003)

CAUTION

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate injury.

Introduction and Safety

2 Owner’s Manual for Water Pump

Safety Symbols and Meanings

Exhaust Hazards

• The water pump MUST be operated

outdoors.

• If you start to feel sick, dizzy, or weak after

the water pump has been running, move to

fresh air IMMEDIATELY. See a doctor, as

you could have carbon monoxide

poisoning.

• Keep exhaust gas from entering a confined

area through windows, doors, ventilation

intakes, or other openings. Warn any

occupants inside about the symptoms of

carbon monoxide so they know to move to

fresh air if they begin to feel ill.

• The use of a carbon monoxide detector

inside any occupied premises between the

water pump and the occupant is

recommended.

• If operating the water pump in a trench or

pit, do not enter the area while the engine is

running. Carbon monoxide will accumulate

in enclosed areas.

• Use a respirator or mask whenever there is

a chance that harmful gas or vapors might

be inhaled.

• Adequate, unobstructed flow of cooling and

ventilating air is critical to correct water

pump operation. Do not alter the installation

or permit even partial blockage of

ventilation provisions, as this can seriously

affect safe operation of the water pump.

Asphyxiation. Running engines produce

carbon monoxide, a colorless, odorless,

poisonous gas. Carbon monoxide, if not

avoided, will result in death or serious injury.

(000103)

DANGER

(000104)

DANGER

Electrocution. Water contact with a power

source, if not avoided, will result in death

or serious injury.

(000105)

DANGER

Explosion and Fire. Fuel and vapors are

extremely flammable and explosive. Add fuel

in a well ventilated area. Keep fire and spark

away. Failure to do so will result in death

or serious injury.

(000174)

DANGER

Risk of fire. Allow fuel spills to completely dry

before starting engine. Failure to do so will

result in death or serious injury.

(000110)

WARNING

Risk of Fire. Hot surfaces could ignite

combustibles, resulting in fire. Fire could

result in death or serious injury.

(000107)

WARNING

Hearing Loss. Hearing protection is

recommended when using this machine.

Failure to wear hearing protection could

result in permanant hearing loss.

(000108)

WARNING

Hot Surfaces. When operating machine, do not

touch hot surfaces. Keep machine away from

combustibles during use. Hot surfaces could

result in severe burns or fire.

(000109)

WARNING

Risk of Fire. Verify machine has properly

cooled before installing cover and storing

machine. Hot surfaces could result in fire.

(000111)

WARNING

Moving Parts. Keep clothing, hair, and

appendages away from moving parts. Failure

to do so could result in death or serious injury.

(000112)

WARNING

Risk of Falling. Use of machine creates wet

areas and trip hazards. Be aware of work area

conditions. A fall could result in death

or serious injury.

(000114)

WARNING

Risk of Falling. Do not use this machine or

any components on elevated surfaces.

Doing so can result in a fall, serious injury,

or death.

(000113)

WARNING

Recoil Hazard. Recoil could retract unexpectedl

y

if water pressure is not properly relieved from

pump, creating kickback. Kickback could result

in death or serious injury.

(000100a)

WARNING

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

(000115)

WARNING

Moving Parts. Do not wear jewelry when

starting or operating this product. Wearing

jewelry while starting or operating this product

could result in death or serious injury.

(000181)

WARNING

Vision Loss. Eye protection is required to avoid

spray from spark plug hole when cranking engine.

Failure to do so could result in vision loss.

Introduction and Safety

Owner’s Manual for Water Pump 3

• This exhaust system must be properly

maintained. Do nothing that might render

the exhaust system unsafe or in

noncompliance with any local codes and/or

standards.

Fire Hazards

• Wipe up any fuel or oil spills immediately.

Verify that no combustible materials are left

on or near the water pump.

• Reflective exhaust heat may damage the

fuel tank, causing fire. Keep at least five (5)

feet (152 cm) of clearance on all sides of

the pump for adequate cooling,

maintenance, and servicing.

• It is a violation of California Public

Resource Code, Section 4442, to use or

operate the engine on any forest- covered,

brush-covered, or grass-covered land

unless the exhaust system is equipped with

a spark arrestor, as defined in Section

4442, maintained in effective working order.

Other states or federal jurisdictions may

have similar laws. Contact the original

equipment manufacturer, retailer, or dealer

to obtain a spark arrestor designed for the

exhaust system installed on this engine..

Fuel Hazards

• Turn water pump OFF and let it cool at

least two (2) minutes before removing fuel

cap. Loosen cap slowly to relieve pressure

in tank.

• Fill or drain fuel tank outdoors.

• Keep fuel away from sparks, open flames,

pilot lights, heat, and other ignition sources.

• DO NOT light a cigarette or smoke.

Before Starting Equipment

• There is no oil in the engine. The engine

crankcase must be filled before starting the

engine for the first time. See Add Engine

Oil.

• Verify spark plug, muffler, fuel cap, and air

cleaner are in place.

• DO NOT crank engine with spark plug

removed.

• Keep your hands and body clear from the

discharge of the pump.

• Make sure all connections are tight.

• Secure the pump. Loads from the hoses

may cause it to tip over.

• Secure the discharge hose to avoid

whipping.

When Operating Equipment

• NEVER place discharge hose near a power

source.

• Do not allow children near the pump while it

is operating.

• DO NOT tip engine or equipment at angle

which causes fuel to spill.

• DO NOT pump chemicals or flammable

liquids, such as fuel, or fuel oils.

• Secure the pump. Loads from the hoses

may cause it to tip over.

• Operate water pump only on level surfaces.

• Do not submerge the pump.

• Never use the water pump or any of its

parts as a step. Stepping on the equipment

can stress and break parts, and may result

in dangerous operating conditions from

leaking exhaust gases, fuel leakage, oil

leakage, etc.

• DO NOT stop the engine by moving the

choke lever to the CHOKE position.

When Transporting or Repairing

Equipment

• Transport/repair with fuel tank EMPTY.

• Disconnect spark plug wire.

• For safety reasons, it is recommended that

the maintenance of this equipment be

performed by an Authorized Dealer. Inspect

the water pump regularly, and contact the

nearest Authorized Dealer for parts

needing repair or replacement.

• When working on this equipment, remain

alert at all times.

• Never work on the equipment when

physically or mentally fatigued.

• Replacement parts must be of the same

type, and installed in the same position as

the original parts.

When Storing Fuel or

Equipment with Fuel In Tank

Store away from furnaces, stoves, water

heaters, clothes dryers, or other appliances

that have pilot light or other ignition source

because they can ignite fuel vapors.

(000204)

DANGER

Explosion and Fire. Do not overfill fuel tank.

Overfilling may cause fuel to leak and ignite

or explode, resulting in death or serious injury.

General Information and Setup

4 Owner’s Manual for Water Pump

Section 2 General Information and Setup

Know Your Water Pump

Read this manual thoroughly before

assembling and operating this equipment.

Save this manual for future and immediate

reference. Replacement owner’s manuals are

available at www.generac.com.

Depending on the model, these pumps are

designed to pump clear water or water with

sediment and particulates up to 1 in. (2.54 cm)

in diameter only. Do not use for pumping the

following:

•Seawater

• Drinking water

• Kerosene

• Fuel, oil, or solvents

•Chemicals

Product Specifications

Refer to the Product Specification Sheet for

detailed information on product features and

specifications.

Emissions Information

The U.S. Environmental Protection Agency

(and California Air Resource Board for

equipment certified to CA standards) requires

that this engine comply with exhaust and

evaporative emission standards. Locate the

emissions compliance decal on the engine to

determine what standards the engine meets,

and to determine which emissions warranty

applies. The engine is certified to meet the

applicable emission standards on gasoline. It

is important to follow the maintenance

specifications in Maintenance and

Troubleshooting to verify that the engine

complies with the applicable emission

standards for the duration of the product’s life.

Tampering with or altering the emission

control system may increase emissions and

may be a violation of Federal or California

Law. Acts that constitute tampering include

but are not limited to:

• Removal or alteration of any part of the

intake, fuel, or exhaust systems.

• Altering or defeating the governor linkage

or speed-adjusting mechanism to cause

the engine to operate outside its design

parameters.

Have the engine inspected and repaired by a

servicing dealer if these symptoms develop:

• Hard starting or stalling after starting

• Rough idle

• Misfiring or backfiring under load

• Afterburning (backfiring)

• Black exhaust smoke or high fuel

consumption

NOTE: Maintenance, replacement, or repair of

emissions control devices and systems may

be performed by a small engine repair

establishment or individual. The manufacturer

recommends that all emissions control service

work be performed by an Independent

Authorized Service Dealer. See emissions

warranty for further details.

Remove Contents from Carton

1. Remove the loose parts, kits, and inserts

included with water pump.

2. Open carton completely by cutting each

corner from top to bottom.

3. Remove and verify carton contents prior to

assembly. Carton contents should contain

the following:

• Main Unit

• Loose Parts:

–Oil

– Funnel

– Spark Plug wrench

– Owner’s Manual

– Owner’s Registration Card

– Product Specifications Sheet

• Wheel Kit (if equipped)

• Hose Kit (if equipped)

4. If any items are missing from carton,

please call Generac Customer Service at

1-888-436-3722. When calling for

assistance, have the model and serial

number from the data tag available.

5. Record model, serial number, and date of

purchase on front cover of this manual.

6. Fill out and send in registration card.

(000100a)

WARNING

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

General Information and Setup

Owner’s Manual for Water Pump 5

Add Engine Oil

There is no oil in the engine. The crankcase

must be filled before starting the engine for the

first time.

1. Place water pump on a level surface.

2. Verify oil fill area is clean.

3. See Figure 2-1. Remove oil fill cap and

wipe dipstick clean.

Figure 2-1. Remove Dipstick

4. See Figure 2-2. Add recommended engine

oil to the bottom of the oil fill hole (A).

Only high-quality detergent oils classified for

service SJ or higher are recommended. DO

NOT use special additives.

See Figure 2-2. Climate determines proper

engine oil viscosity.

.

Figure 2-2. Recommended Oil

5. Thread dipstick into oil filler neck. Oil level

is checked with dipstick fully installed.

6. See Figure 2-3. Remove dipstick and verify

oil level is within safe operating range

above the lower limit (L).

Figure 2-3. Safe Oil Operating Range

7. Install oil fill cap/dipstick and hand-tighten.

Add Fuel

Fuel requirements are as follows:

• Clean, fresh, unleaded gasoline.

• Minimum rating of 87 octane/87 AKI (91

RON).

• Up to 10% ethanol (gasohol) is acceptable.

• DO NOT use E85.

• DO NOT use a gas oil mix.

• DO NOT modify engine to run on alternate

fuels.

• Stabilize fuel prior to storage.

1. Verify equipment is OFF and cooled for a

minimum of two minutes prior to fueling.

2. Place equipment on level ground in a well

ventilated area.

3. Clean area around fuel cap and remove

cap slowly.

Figure 2-4. Add Recommended Fuel

4. Slowly add recommended fuel. Do not

overfill.

5. Install fuel cap.

IMPORTANT: It is important to prevent gum

deposits from forming in fuel system parts

such as the carburetor, fuel hose or tank

during storage. Alcohol-blended fuels (called

gasohol, ethanol or methanol) can attract

moisture, which leads to separation and

formation of acids during storage. Acidic gas

can damage the fuel system of an engine

while in storage. To avoid engine problems,

the fuel system should be emptied before

storage of 30 days or longer. See Storage.

Never use engine or carburetor cleaner

products in the fuel tank as permanent

damage may occur.

(000135)

CAUTION

Engine damage. Verify proper type and quantity of

engine oil prior to starting engine. Failure to do so

could result in engine damage.

A

000115

000911

30 50 70 90

SAE 30

5W-30 or 10W-30

000116

L

(000105)

DANGER

Explosion and Fire. Fuel and vapors are

extremely flammable and explosive. Add fuel

in a well ventilated area. Keep fire and spark

away. Failure to do so will result in death

or serious injury.

(000204)

DANGER

Explosion and Fire. Do not overfill fuel tank.

Overfilling may cause fuel to leak and ignite

or explode, resulting in death or serious injury.

000117

(000174)

DANGER

Risk of fire. Allow fuel spills to completely dry

before starting engine. Failure to do so will

result in death or serious injury.

General Information and Setup

6 Owner’s Manual for Water Pump

Assembly

Connect the Hoses

NOTE: Appearance of pump may vary.

Discharge ports face 90° from inlet on certain

models.

NOTE: Hose kit may be sold separately.

1. Place water pump in desired operating

location.

2. Attach the flexible discharge hose to the

flange (top) by sliding the hose over the

barb and securing with a hose clamp.

3. See Figure 2-5. Attach the suction hose to

the flange (bottom) by sliding the hose

over the barb and securing with a hose

clamp.

NOTE: Hose attachment styles may vary.

Figure 2-5.Typical Hose Attachment

4. See Figure 2-6. Attach the strainer to the

suction hose.

Figure 2-6.Typical Strainer Attachment

Priming the Pump

Remove the orange priming cap from the

pump and completely fill the pump chamber

with clean water. Tighten the cap. DO NOT

over tighten.

Figure 2-7. Water Priming Plug

(000100a)

WARNING

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

(000197)

CAUTION

Equipment damage. Use only hoses and couplings

designed for this pump. Incorrect hoses and couplings

can cause performance issues and permanent

equipment damage.

001516

001517

(000241)

CAUTION

Equipment damage. Use recommended strainer to

prevent debris from entering the pump. Failure to do

so could result in equipment damage.

(000203)

CAUTION

Equipment damage. Before starting engine, verify

pump is primed with water and suction strainer is

submerged. Failure to do so will cause pump damage

and void the warranty.

001513

Operation

Owner’s Manual for Water Pump 7

Section 3 Operation

Operation and Use Questions

If you have any problems operating your water

pump, please call Generac customer service

at 1-888-GENERAC (888-436-3722).

Placing Water Pump for Use

It is a violation of California Public Resource

Code, Section 4442, to use or operate the

engine on any forest-covered, brush-covered,

or grass-covered land unless the exhaust

system is equipped with a spark arrestor, as

defined in Section 4442, maintained in

effective working order. Other states or federal

jurisdictions may have similar laws. Place the

pump on a level surface free from any

obstructions or potential hazards. The pump

should be placed close to the water level to

ensure maximum performance.

• Only operate water pump outdoors in a well

ventilated area. Never operate water pump

indoors, or in a confined space. Be aware

of building openings and ventilation

systems where exhaust may enter during

use.

• Keep at least five (5) ft (152 cm) of

clearance on all sides of water pump

including overhead.

• Verify water pump is placed on level

ground to avoid tipping during operation.

• Submerge strainer.

NOTE: Suspend the strainer if there is any

mud or sand present at the bottom of the

water.

• Place discharge hose in appropriate

location to drain water. Verify that the hose

opening is unobstructed.

Figure 3-1. Five Feet of Minimum

Clearance

Pump Output

See Figure 3-2. Pump output will be affected

by the type, length, and size of the suction and

discharge hoses. Suction head is the distance

(A) from the water intake to the suction port.

The pumping height, total head, is the

distance (B) from the water intake to the point

of discharge. As total head increases, the

pump output decreases. The discharge

capacity is greater than the suction capacity.

Therefore, it is important to keep the suction

head less than the total head. The time

required to draw water from the source to the

pump (self-priming time) can be decreased by

minimizing the suction head.

Figure 3-2. Pump Output

High Altitude Operation

This equipment produces maximum suction lift

at elevations below 1000 ft (305 m). For every

increase of 1000 ft (305 m) above sea level:

• the engine will lose about 3% of its power

• total head will be reduced by about 10 in

(25 cm).

Lower atmospheric pressure results in slower

engine speeds and reduced water flow

through the pump.

Asphyxiation. Running engines produce

carbon monoxide, a colorless, odorless,

poisonous gas. Carbon monoxide, if not

avoided, will result in death or serious injury.

(000103)

DANGER

(000110)

WARNING

Risk of Fire. Hot surfaces could ignite

combustibles, resulting in fire. Fire could

result in death or serious injury.

(000108)

WARNING

Hot Surfaces. When operating machine, do not

touch hot surfaces. Keep machine away from

combustibles during use. Hot surfaces could

result in severe burns or fire.

001368

(000124)

CAUTION

Equipment damage. The hose can be damaged if it

comes in contact with the hot engine muffler. Keep

hose away from muffler during operation.

000687

B

A

Operation

8 Owner’s Manual for Water Pump

Transporting / Tipping

Do not operate, store or transport the

equipment at an angle greater than 15

degrees.

Before Starting Engine

1. Verify engine oil level is correct.

2. Verify fresh fuel level is correct.

3. Verify all fittings, gaskets, and couplers are

properly secured.

4. Verify hoses are properly connected.

5. Verify equipment is secure on level

ground, with proper clearance and is in a

well ventilated area.

NOTE: Pumping water with solids larger than

the maximum stated particle size can damage

the pump and void the warranty. Maximum

particle size is listed on the product

specifications sheet. Ensure that correct

strainer is attached to the suction hose to

prevent pumping larger solids.

Starting the Engine

NOTE: For units equipped with a Subaru

engine, refer to the Subaru engine manual for

specific starting instructions.

1. Remove water priming plug and fill the

pump with water. Replace water priming

plug.

2. Move fuel valve lever (A) to ON position.

Figure 3-3.Starting the Engine

3. Move choke lever (B) to CLOSED position.

NOTE: For warm engine, leave choke lever in

OPEN position.

4. See Figure 3-5. Move throttle lever (C)

about 1/3 away from the MIN position.

5. See Figure 3-4. Turn engine switch (D)

ON.

Figure 3-4.Engine Switch

..

Figure 3-5. Engine Recoil

6. Grasp recoil handle (E) and pull slowly

until you feel some resistance. Then pull

rapidly to start engine. Return recoil

handle slowly. DO NOT let recoil snap

back against recoil housing.

7. When engine starts, slowly move choke

lever to OPEN position as engine warms.

If engine falters, move choke lever to

CLOSE position, then to OPEN position.

If engine fails to start after six pulls, move

choke lever to “OPEN” position, and repeat

step 6.

8. When the engine is running smoothly,

adjust the throttle lever to set the desired

engine speed.

.

(000203)

CAUTION

Equipment damage. Before starting engine, verify

pump is primed with water and suction strainer is

submerged. Failure to do so will cause pump damage

and void the warranty.

000127

B

A

C

OFF

ON

000128

D

000806

E

C

(000113)

WARNING

Recoil Hazard. Recoil could retract unexpectedly

if water pressure is not properly relieved from

pump, creating kickback. Kickback could result

in death or serious injury.

(000110)

WARNING

Risk of Fire. Hot surfaces could ignite

combustibles, resulting in fire. Fire could

result in death or serious injury.

(000108)

WARNING

Hot Surfaces. When operating machine, do not

touch hot surfaces. Keep machine away from

combustibles during use. Hot surfaces could

result in severe burns or fire.

Operation

Owner’s Manual for Water Pump 9

Preventing Water Hammer

Water hammer occurs when the discharge

flow is suddenly blocked or stopped.

Pressurized water trapped inside the pump

can crack the pump housing. To prevent water

hammer:

• Do not close the discharge valve while the

pump is operating.

• Do not allow vehicles to drive over the

discharge hose.

• Do not abruptly compress the discharge

hose.

Water Pump Shut Down

1. Move throttle lever from fast to slow.

2. Turn engine switch OFF.

3. Move fuel valve lever to OFF position.

4. Allow the engine to cool thoroughly.

After Each Use

After cooling, remove the priming plug (A) and

drain plug (B) from the pump housing and

allow it to drain thoroughly.

Figure 3-6. Drain Pump Housing

NOTE: DO NOT allow water to remain in

pump after use. Trapped water can freeze and

crack the pump housing. Pump damage

caused by freezing is not covered by warranty.

Follow these procedures after every use:

1. Drain pump housing.

2. Disconnect hoses.

3. Wipe pump with a clean, dry cloth to

remove excess water and dirt.

4. Store equipment in a clean, dry area.

NOTE: If storing for more than 30 days, see

Storage.

001522

B

A

Maintenance and Troubleshooting

10 Owner’s Manual for Water Pump

Section 4 Maintenance and Troubleshooting

Maintenance Recommendations

Regular maintenance will improve

performance and extend water pump life. See

an Independent Authorized Service Dealer for

service.

Water pump warranty does not cover items

subjected to operator abuse or negligence. To

receive full warranty value, operator must

maintain water pump as instructed in this

manual, including proper storage as detailed

in Storage.

NOTE: Call 1-888-GENERAC (888-436-3722)

with questions about component replacement.

Maintenance Schedule

Follow maintenance schedule intervals,

whichever occurs first according to use.

NOTE: Adverse conditions will require more

frequent service.

NOTE: All required service and adjustments

should be performed each season as detailed

in the following chart.

Preventive Maintenance

Dirt or debris can cause improper operation and

equipment damage. Clean water pump daily or

before each use. Keep area around and behind

muffler free from combustible debris.

• Use a damp cloth to wipe exterior surfaces

clean.

• Use a soft bristle brush to loosen caked on

dirt, oil, etc.

• Use a vacuum to pick up loose dirt and

debris.

• Low pressure air (not to exceed 25 psi [172

kPa]) may be used to blow away dirt.

Engine Maintenance

NOTE: For units equipped with a Subaru

engine, refer to the Subaru engine manual

shipped with the unit. Maintenance for Subaru

engines should be performed according to

Subaru recommendations.

Inspect Engine Oil Level

Inspect engine oil level prior to each use, or

every 8 hours of operation.

Add recommended engine oil as necessary.

See Add Engine Oil.

NOTE: If equipped with an “Oil Alert System”

the system will automatically stop the engine

before the oil level falls below a safe limit.

Change Engine Oil

When using water pump under extreme, dirty,

dusty conditions, or in extremely hot weather,

change oil more frequently.

NOTE: Properly dispose of used oil in

accordance with all local laws and regulations.

Change oil while engine is still warm from

running, as follows:

1. Disconnect the spark plug wire from the

spark plug and place the wire where it

cannot contact spark plug.

Before Each Use

Check engine oil level

Check air cleaner

Check and tighten fasteners

After Each Use

Drain water from pump

Every 3 Months or 50 Hours

Clean air cleaner*

Every 6 Months or 100 Hours

Change oil ǂ

Clean sediment cup

Check and adjust spark plug

Clean fuel tank and fuel filter **

Clean spark arrestor (if equipped)

Every Year or 300 Hours

Replace air cleaner element (paper)

Replace spark plug

Check and adjust idle speed **

Check and adjust valve clearance **

Every Two Years

Check condition of fuel lines and replace if

necessary

*

Service more often in dusty or dirty conditions.

**

Contact an Independent Authorized Service

Dealer.

ǂ Change oil after the first 20 hours of

operation, and every 100 hours thereafter.

(000141)

WARNING

Accidental start-up. Disconnect spark plug wires when

working on unit. Failure to do so could result in death

or serious injury.

(000139)

WARNING

Risk of burns. Allow engine to cool before

draining oil or coolant. Failure to do so could

result in death or serious injury.

(000141)

WARNING

Accidental start-up. Disconnect spark plug wires when

working on unit. Failure to do so could result in death

or serious injury.

Maintenance and Troubleshooting

Owner’s Manual for Water Pump 11

2. Place a suitable collection container

beneath the engine.

3. See Figure 4-1. Remove oil fill cap (A).

Figure 4-1. Changing Engine Oil

4. Remove the oil drain plug (B) and discard

the washer (C). Drain oil completely.

5. Place a new washer on the oil drain plug.

Install oil drain plug and tighten securely.

6. Add recommended engine oil as

necessary. See Add Engine Oil.

7. Install oil fill cap, and finger tighten.

8. Wipe up any spilled oil.

9. Properly dispose of oil in accordance with

all applicable regulations.

Service Air Cleaner

Engine will not run properly and may be damaged

if run with a dirty air cleaner. Service air cleaner

more frequently in dirty or dusty conditions.

To service air cleaner:

1. Remove air cleaner cover.

2. Remove filter element(s).

3. Inspect filter element(s) and replace if

damaged. To order replacements, contact

Generac Customer Service at 1-888-

GENERAC (888-436-3722) for the name

of your nearest Independent Authorized

Service Dealer.

4. Clean foam filter element in warm soapy

water. Rinse, and allow to dry thoroughly.

Dip in clean engine oil and squeeze out

excess oil.

5. Tap paper filter element several times on

hard surface to remove dirt. Compressed

air (not exceeding 30 psi (207 kPa) can

also be used to blow through filter element

from the inside.

6. Use a clean, damp cloth to wipe dirt from

inside air cleaner cover.

7. Put cleaned or new filter element(s) in

place. Verify gasket is in place (if

equipped).

8. Install air cleaner cover. Tighten air

cleaner screws or fasteners securely.

Service Spark Plug

To service spark plug:

1. See Figure 4-2. Clean area around spark

plug (A).

2. Remove and inspect spark plug.

3. See Figure 4-3. Inspect electrode gap (B)

with wire feeler gauge and replace spark

plug if gap (A) is not within 0.028 - 0.031 in

(0.70 - 0.80 mm).

Figure 4-2. Service Spark Plug

Figure 4-3. Spark Plug Gap

NOTE: Replace spark plug if electrodes are

pitted, burned or porcelain is cracked. Use

ONLY recommended replacement plug. See

product specification sheet.

4. Install spark plug finger tight, and tighten

an additional 3/8 to 1/2 turn using spark

plug wrench. DO NOT OVERTIGHTEN.

Inspect Muffler and Spark Arrestor

(if equipped)

NOTE:

It is a violation of California Public

Resource Code, Section 4442, to use or

operate the engine on any forest-covered,

brush-covered, or grass-covered land unless

the exhaust system is equipped with a spark

arrestor, as defined in Section 4442, maintained

in effective working order. Other states or

federal jurisdictions may have similar laws.

Contact original equipment manufacturer, retailer,

or dealer to obtain a spark arrestor designed for

exhaust system installed on this engine.

NOTE: Use ONLY original equipment

replacement parts.

Inspect muffler for cracks, corrosion, or other

damage. Remove spark arrestor, if equipped,

inspect for damage or carbon blockage.

Replace parts as required.

000776

A

C

B

D

000134a

B

A

000211

Maintenance and Troubleshooting

12 Owner’s Manual for Water Pump

Storage

Refer to the following list to prepare

equipment for storage.

• DO NOT place a storage cover on a hot

water pump. Allow equipment to cool to

room temperature before storage.

• DO NOT store fuel from one season to

another unless properly treated.

• Replace fuel container if rust is present.

Rust in fuel will cause fuel system problems.

• Cover equipment with a suitable protective,

moisture resistant cover.

• Store equipment in a clean and dry area.

• Always store water pump and fuel away

from heat and ignition sources.

Prepare Fuel System for Storage

Fuel stored over 30 days can go bad and

damage fuel system components. Keep fuel

fresh, use fuel stabilizer.

If fuel stabilizer is added to fuel system,

prepare and run engine according to "Starting

the Engine" Run engine for 10-15 minutes to

circulate stabilizer throughout fuel system.

Adequately prepared fuel can be stored up to

24 months.

NOTE: If fuel has not been treated with fuel

stabilizer, it must be drained into an approved

container. Run engine until it stops from lack

of fuel. Use of fuel stabilizer in fuel storage

container is recommended to keep fuel fresh.

1. Change engine oil.

2. Remove spark plug.

3. Pour a tablespoon (5-10cc) of clean

engine oil or spray a suitable fogging

agent into cylinder.

4. Pull starter recoil several times to

distribute oil in cylinder.

5. Install spark plug.

6. Pull recoil slowly until resistance is felt. This

will close valves so moisture cannot enter

engine cylinder. Gently release recoil.

Change Oil

Change engine oil before storage. See

Change Engine Oil

Prepare Water Pump for Storage

Protect equipment from freezing

temperatures. Failure to do so will

permanently damage pump and render

equipment inoperable. Freeze damage is not

covered under warranty.

Protect equipment from freezing temperatures

as follows:

1. Shut engine off by turning engine start

switch to OFF.

2. Disconnect hoses.

3. Let engine cool.

4. Remove water drain plug and drain

trapped water.

5. Turn fuel valve to OFF.

6. Winterize engine per manufacturer

specifications.

Store equipment in a clean and dry area.

(000143)

DANGER

Explosion and Fire. Fuel and vapors are extremely

flammable and explosive. Store fuel in a well

ventilated area. Keep fire and spark away. Failure

to do so will result in death or serious injury.

(000109)

WARNING

Risk of Fire. Verify machine has properly

cooled before installing cover and storing

machine. Hot surfaces could result in fire.

(000243)

CAUTION

Equipment damage. Always run engine with water

in the pump priming chamber. Failure to do so could

result in equipment damage.

(000181)

WARNING

Vision Loss. Eye protection is required to avoid

spray from spark plug hole when cranking engine.

Failure to do so could result in vision loss.

Maintenance and Troubleshooting

Owner’s Manual for Water Pump 13

Troubleshooting

PROBLEM CAUSE CORRECTION

Engine will

not start, or

starts and

runs rough.

1. Engine ON/OFF switch in OFF

position.

2. Dirty air filter

3. Out of fuel.

4. Stale fuel.

5. Fuel switch in OFF position (if

equipped).

6. Low oil level (units with low oil

shutdown system).

7. Spark plug wire not connected to

plug.

8. Bad spark plug.

9. Choke position incorrect.

10. Water in fuel.

11. Excessively rich fuel mixture.

12. Impeller obstructed.

1. Place Engine ON/OFF switch in ON

position.

2. Clean or replace air filter.

3. Fill fuel tank.

4. Replace with fresh fuel.

5. Place fuel switch in ON position.

6. Fill oil to proper level.

7. Connect wire to spark plug.

8. Replace spark plug.

9. Adjust choke position.

10. Drain fuel tank; replace with fresh

fuel.

11. Contact Independent Authorized

Service Dealer.

12. Clean impeller.

Pump not

operating.

1. Air leak in suction hose.

2. Suction and/or discharge hoses

blocked.

3. End of suction hose not submerged.

4. Total head exceeds pump capacity.

1. Check suction hose and connections

for leaks. Tighten or repair.

2. Check hoses and strainer. Clear

obstructions.

3. Increase suction hose length or

move pump closer to water.

4. Reduce total head or choose a

different pump for the task.

Weak

discharge

flow.

1. Air leakage (intake) at suction side.

2. Reduced engine power output.

3. Damaged mechanical seal.

4. Suction lift too high.

5. Suction hose too long, or hose

diameter too small.

6. Leaking discharge hose or

connection.

7. Damaged mechanical seal.*

8. Impeller obstructed.

9. Worn impeller.**

10. Engine throttle in SLOW position

1. Check suction hose and connections

for leaks. Tighten or repair.

2. Contact Independent Authorized

Service Dealer.

3. Replace mechanical seal.

4. Lower suction lift.

5. Shorten suction hose, or increase

hose diameter.

6. Check discharge hose and

connection for leaks. Tighten or

repair.

7. Replace mechanical seal.

8. Clean impeller.

9. Replace impeller.

10. Increase throttle position.

Pump does

not prime

water, or

priming takes

a long time.

1. Air leakage (intake) at suction side.

2. Insufficient priming water inside

pump casing.

3. Water drain plug is loose.

4. Engine malfunction.

5. Damaged mechanical seal.

6. Incorrectly sized suction hose.

7. Suction hose is too long.

8. Excessive suction lift. ***

1. Check suction hose and connections

for leaks. Tighten or repair.

2. Add priming water.

3. Tighten water drain plug.

4. Contact Independent Authorized

Service Dealer.

5. Replace mechanical seal.

6. Use correct suction hose.

7. Move pump closer to water.

8.

Pump loses

prime.

1. Water level drops below the end of

the suction line.

1. Increase length of suction line or

move the pump closer to the water

source.

Maintenance and Troubleshooting

Owner’s Manual for Water Pump 14

Pump shuts

down during

operation.

1. No fuel.

2. Low oil sensor shuts down unit.

1. Allow engine to cool for 2 minutes,

then fill fuel tank.

2. Make sure unit is on flat surface.

Check oil level and add more if

necessary.

Oil leakage

at muffler or

air cleaner.

Engine failure. Repair or replace.

Water

leakage

between

engine and

pump.

Damaged mechanical seal. Replace mechanical seal.

* Mechanical seal damage may be caused by normal wear, overheating, or pumping

incompatible fluids.

** Excessive impeller wear is primarily due to cavitation. Causes include restricted suction and

excessive suction lift.

*** Total suction head should not exceed 26 ft (8 m).

PROBLEM CAUSE CORRECTION

Part No. 0K9077 Rev.G 10/16/2018

Specifications are subject to change without notice.

No reproduction allowed in any form without prior

written consent from Generac Power Systems, Inc.

Generac Power Systems, Inc.

S45 W29290 Hwy. 59

Waukesha, WI 53189

1-888-GENERAC (1-888-436-3722)

www.generac.com

Bomba de agua

Manual del propietario

MODELO:________________________

SERIE:________________________

FECHA DE COMPRA:______________

Registre su producto Generac en:

register.generac.com

1-888-922-8482

GUARDE ESTE MANUAL COMO REFERENCIA FUTURA

Índice

Sección 1 Introducción y

seguridad .......................................1

Introducción .................................... 1

Normas de seguridad ...................... 1

Símbolos de seguridad y

significados ..................................... 2

Peligros de gases de escape .......... 2

Peligros de incendio ........................ 3

Peligros del combustible ................. 3

Antes de arrancar el equipo ............ 3

Cuando opere el equipo .................. 3

Cuando transporte o repare el

equipo ............................................. 3

Cuando almacene combustible o

equipos con combustible en

el tanque ......................................... 3

Sección 2 Información general y

configuración ................................4

Conozca su bomba de agua ........... 4

Especificaciones del producto ......... 4

Información de emisiones ............... 4

Retire el contenido de la caja .......... 4

Adición de aceite del motor ............. 5

Adición de combustible ................... 5

Montaje ........................................... 6

Conexión de las mangueras ............6

Cebado de la bomba .......................6

Sección 3 Operación .....................7

Preguntas sobre la operación y

el uso ...............................................7

Salida de la bomba ..........................7

Operación a gran altura ...................7

Transporte e inclinación ..................8

Antes de arrancar el motor ..............8

Arranque del motor ..........................8

Prevención de martillo de agua .......9

Apagado de la bomba de agua .......9

Después de cada uso ......................9

Sección 4 Mantenimiento y

solución de problemas ...............10

Recomendaciones de

mantenimiento ...............................10

Programa de mantenimiento .........10

Mantenimiento preventivo .............10

Mantenimiento del motor ...............10

Almacenamiento ............................12

Solución de problemas ..................13

(000393a)

ADVERTENCIA

PRODUCE CÁNCER Y

DAÑOS REPRODUCTIVOS

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