Briggs & Stratton Fource 21100 Manuale utente

Operator’s Manual

Fource

Model 21000 Model 21100

BRIGGSandSTRATTON.com

ECopyright Briggs & Stratton Corporation

Milwaukee, Wisconsin 53201 U.S.A.

Form No. 277097-3/07

Printed in U.S.A.

Fource

Safety References

The safety alert symbol is used to identify safety

information about hazards that can result in personal

injury. A signal word (DANGER, WARNING, or

CAUTION) is used with the alert symbol to indicate the

likelihood and the potential severity of injury. In addition,

a hazard symbol may be used to represent the type of

hazard.

DANGER indicates a hazard which, if not

avoided, will result in death or serious

injury.

WARNING indicates a hazard which, if not

avoided, could result in death or serious

injury.

CAUTION indicates a hazard which, if not

avoided, might result in minor or moderate

injury.

CAUTION,when used without the alert

symbol, indicates a situation that could result

in damage to the engine.

This manual contains safety

information to make you aware of

the hazards and risks associated with engines, and

how to avoid them. Because Briggs & Stratton does

not necessarily know what equipment this engine will

power, it is important that you read and understand

these instructions and the instructions for the

equipment this engine powers.

Table of Contents

Safety References 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Features 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Starting 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Stopping 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oil 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fuel 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications and Emission Information 11. . . . . . . . . . .

Maintenance 12-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warranty Information 17. . . . . . . . . . . . . . . . . . . . . . . . . . . .

SYMBOLS ASSOCIATED

WITH THIS ENGINE:

Explosion

Toxic Fu m es

Moving Parts

Shock

Hot Surface

Kickback

Fire

Fuel Shutoff

Read

Manual

Choke

Oil

Fuel

On Off

Stop

Primer

WARNING

Briggs & Stratton does not approve or authorize the

use of these engines on 3-wheel All Terrain

Vehicles (ATVs), motor bikes, fun/recreational

go-karts, aircraft products or vehicles intended for

use in competitive events. Use of these engines in

such applications could result in property damage,

serious injury (including paralysis), or even death.

The engine exhaust from this product contains

chemicals known to the State of California to cause

cancer, birth defects, or other reproductive harm.

WARNING

This engine is shipped from Briggs & Stratton

without oil. If you start the engine without oil,

the engine will be damaged beyond repair and

will not be covered under warranty.

CAUTION

Features

1. Carburetor

2. Stop Switch location, if equipped/stop wires

3. Rope Handle

4. Fuel Fill

5. Air Cleaner

6. Choke

7. Spark Plug

8. Primer Bulb

9. Engine Identification

Model XXXXX Type XXXXXX Code

XXXXXXXX

10. Oil Fill/Dipstick

Safety

Gasoline and its vapors are extremely

flammable and explosive.

Fire or explosion can cause severe burns

or death.

WHEN ADDING FUEL

•Turn engine OFF and let engine cool at least 2

minutes before removing gas cap.

•Fill fuel tank outdoors or in well-ventilated area.

•Do not overfill fuel tank.

•Keep gasoline away from sparks, open flames,

pilot lights, heat, and other ignition sources.

•Check fuel lines, tank, cap, and fittings

frequently for cracks or leaks. Replace if

necessary.

WHEN STARTING ENGINE

•Make sure spark plug, muffler, fuel cap and air

cleaner are in place.

•Do not crank engine with spark plug removed.

•If fuel spills, wait until it evaporates before

starting engine.

•If engine floods, set choke to OPEN/RUN

position, place throttle in FAST and crank until

engine starts.

WHEN OPERATING EQUIPMENT

•Do not choke carburetor to stop engine.

WHEN TRANSPORTING EQUIPMENT

•Transport with fuel tank EMPTY.

WHEN STORING GASOLINE OR EQUIP-

MENT WITH FUEL IN TANK

•Store away from furnaces, stoves, water

heaters or other appliances that have pilot light

or other ignition source because they can ignite

gasoline vapors.

WARNING

This engine is shipped from Briggs & Stratton

without oil. If you start the engine without oil,

the engine will be damaged beyond repair and

will not be covered under warranty.

CAUTION

Starting engine creates sparking.

Sparking can ignite nearby flammable

gases.

Explosion and fire could result.

•If there is natural or LP gas leakage in area, do

not start engine.

•Do not use pressurized starting fluids because

vapors are flammable.

WARNING

Rapid retraction of starter cord (kickback)

will pull hand and arm toward engine

faster than you can let go.

Broken bones, fractures, bruises or

sprains could result.

•When starting engine, pull cord slowly until

resistance is felt, then pull rapidly.

•Direct coupled equipment components such as,

but not limited to, blades, impellers, pulleys,

sprockets, etc., must be securely attached.

WARNING

Rotating parts can contact or entangle

hands, feet, hair, clothing, or accessories.

Traumatic amputation or severe lacera-

tion can result.

•Operate equipment with guards in place.

•Keep hands and feet away from rotating parts.

•Tie up long hair and remove jewelry.

•Do not wear loose-fitting clothing, dangling

drawstrings or items that could become caught.

WARNING

Engines give off carbon monoxide, an

odorless, colorless, poison gas.

Breathing carbon monoxide can cause

nausea, fainting or death.

•Start and run engine outdoors.

•Do not start or run engine in enclosed area,

even if doors or windows are open.

WARNING

•Allow muffler, engine cylinder and fins to cool

before touching.

•Remove accumulated debris from muffler area

and cylinder area.

•Install and maintain in working order a spark

arrester before using equipment on

forest-covered, grass-covered, brush-covered

unimproved land. The state of California

requires this (Section 4442 of the California

Public Resources Code). Other states may

have similar laws. Federal laws apply on federal

land.

Running engines produce heat. Engine

parts, especially muffler, become

extremely hot.

Severe thermal burns can occur on

contact.

Combustible debris, such as leaves,

grass, brush, etc. can catch fire.

Starting

This engine is shipped WITHOUT oil. See section on oil

for recommendations, capacity, and filling details.

Full Choke

Choke Lever

Primer Bulb

Half Choke

Off Position

1. Set unit on flat surface and push primer bulb 15

times FOR A NEW ENGINE. Push primer bulb 8

times for all future starts.

2. Move red choke lever to the FULL CHOKE

position.

3. Not all applications have a throttle. If the

equipment has this a throttle, squeeze throttle

trigger. If the engine is still warm from a previous

start, do not squeeze throttle.

Typical

Throttle

Trigger

4. Pull starter handle sharply until engine runs.

5. Wait a maximum of 10 seconds, then move

choke lever to HALF CHOKE position.

6. Run the engine at HALF CHOKE for 20 seconds

or until unit accelerates smoothly. Move choke to

OFF position.

7. Wait a minimum of 20 seconds, then release

throttle trigger.

Operating engine at an excessive speed without

proper engine loading will cause damage. DO NOT

operate a string trimmer with a line shorter than

10’’ diameter for extended periods.

CAUTION

The manufacturer of the equipment on which

this engine is installed specifies top speed at

which the engine will be operated. DO NOT

EXCEED this speed.

WARNING

Stopping

WARNING

Do not stop engine by moving choke control to

CHOKE. Backfire, fire or engine damage could

occur.

1. Depress stop switch located on the engine or

equipment to stop.

Go to www.briggsandstratton.com or call 1-800-233-3723

Need Assistance?

This engine is shipped from Briggs & Stratton

without oil. If you start the engine without oil, the

engine will be damaged beyond repair and will

not be covered under warranty.

CAUTION

•Ensure fuel cap is in place before

starting engine

•Turn engine OFF and let engine

cool at least 2 minutes before

removing fuel cap.

•Check fuel lines, tank, cap, and

fittings frequently for cracks or

leaks. Replace if necessary.

•Do not crank engine with spark plug

removed.

WARNING

If engine is tipped to transport equipment, to

remove debris, to drain oil, etc., keep the spark

plug side of engine up.

CAUTION

Troubleshooting

Out of fuel

•Prime engine

•If engine is cold, ensure choke is set

correctly.

•Add fuel

Engine flooded

•Set choke to FULL CHOKE position and

continue to pull starter handle.

Fouled spark plug/engine fails to

product spark

•Remove spark plug and clean it. Check

the spacing on the electrode and set the

gap to the correct dimension. See

Maintenance Section. If plug is damaged,

replace with a new spark plug.

•Ensure the spark plug is installed and wire

is connected.

•There maybe slight oil accumulation in the

crankcase upon starting. This is normal.

•If excessive smoke or smoke is heavy,

ensure choke is in OFF CHOKE position.

•Check for fouled spark plug.

•Check air filter for debris.

Engine will not start

Engine is smoking or running rough

Oil

Capacity

Engine holds approximately 3 ounces (90 ml).

Change oil after first 4 hours of use.

Oil Recommendation

•Use a high quality detergent oil classified “For

Service SF, SG, SH, SJ” or higher, such as Briggs &

Stratton SAE 30, Part Number 100091 (3.2oz) or

Briggs & Stratton Synthetic Oil, Part Number

100074.

•Do not use special additives.

•Choose a viscosity according to the table below.

°F-20 0 20 40 60 80 100

°C-30 -20 -10 0 10 20 30 40

STARTING TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE

SAE Viscosity Grades

Air cooled engines run hotter than automotive engines.

The use of non-synthetic multi-viscosity oils (5W-30,

10W-30, etc.) in temperatures above 40°F (4°C) will

result in higher than normal oil consumption. When

using a multi-viscosity oil, check oil level more

frequently.

CAUTION

*Synthetic oil must be used when operating engine

under 40_F (4_C) or engine damage will occur.

CAUTION

** Use of SAE 30 oil below 50°F (10°C) will result in hard

starting and possible engine damage due to inadequate

lubrication.

CAUTION

Adding Oil

Engine must be level, with oil fill facing up, to

check oil. If engine is not level, dipstick reading will

not be accurate. This will lead to possible over or

under filling causing damage to the engine.

CAUTION

KEEP ENGINE LEVEL

•Check oil level before starting the engine.

•Check level daily, or after every eight (8) hours of

use.

•Keep oil level at FULL.

•DO NOT over fill. Use oil measure cup for filling.

•Add only half ounce to 1 ounce of oil at a time.

1 ounce

0.5 ounce

1. Place engine level. Remove dipstick. Use the oil

measure cup to pour oil slowly into engine.

Do not over fill.

Oil Fill

2. Tighten dipstick down.

3. To check oil level, remove and wipe the dipstick

clean with cloth. Tighten dipstick down. Remove

and check oil level.

Dipstick

4. Verify FULL level of oil by presence of oil in hole

on dipstick, or by measure line.

Full

5. If needed, add only half ounce of oil at a time to

bring it to FULL. Re-check level.

Changing Oil & Checking Level

Change oil after first 4 hours of use, then every 8 hours.

Change oil every 4 hours when operating the engine

under heavy load or in high temperatures.

•Disconnect spark plug

wire and keep it away

from spark plug.

WARNING

1. Change oil while engine is OFF but still warm,

ensure fuel cap is tightened securely.

2. Remove dipstick and drain oil in direction shown.

3. Place engine level. Using oil measure cup pour

oil slowly adding half ounce at a time. Do not

over fill.

Note: Engine holds approximately 3 oz (90 ml).

4. To re-check oil level, remove dipstick and wipe

clean with cloth. Tighten dipstick down. Remove

and check oil level.

5. Replace dipstick tightly, and reconnect spark plug

wire before starting engine.

Used oil is a hazardous waste product. Dispose

of used oil properly. Do not discard with

household waste. Check with your local

authorities, service center, or dealer for safe

disposal/recycling facilities.

CAUTION

Oil

Fill

Fuel

Type of Fuel to Use

•Use clean, fresh, regular unleaded gasoline with a

minimum of 85 octane. Fresh fuel prevents gum

from forming in the fuel system or on essential

carburetor parts. Purchase fuel in quantity that can

be used within 30 days.

•For engine protection use Briggs & Stratton

Gasoline Additive available from your Authorized

Briggs & Stratton Dealer.

•Do not use gasoline which contains Methanol.

•Do not mix oil with gasoline.

•This engine is certified to operate on gasoline.

Exhaust Emission Control System: EM (Engine

Modifications).

Adding Fuel

1. Turn engine OFF and let engine cool at least 2

minutes before removing gas cap.

2. Tilt engine at angle shown to properly fill fuel

tank.

Fuel Fill

3. Remove cap and add fuel until level is

approximately 1’’ below top of fuel tank neck. Be

careful not to over fill.

4. Replace cap before starting.

Some fuels, called oxygenated or reformulated

fuels, are fuels blended with alcohols or ethers.

Excessive amounts of these blends can

damage the fuel system or cause performance

problems. If any undesirable operating

symptoms occur, use gasoline with a lower

percentage of alcohol or ether.

CAUTION

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