Simplicity 31S977-0010-G1 Ohjekirja

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Malli: 31S977-0010-G1

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Operator’s Manual

Betjeningsvejledning

Bedienungsanleitung

Åã÷åéñßäéï ×ñÞóçò

Manual del Operario

Käyttäjän käsikirja

Manuel de l’opérateur

Manuale dell’Operatore

Gebruiksaanwijzing

Brukerhåndbok

Manual do Operador

Instruktionsbok

Form No. 277675WST

Revision: N

Model 330000

Intekt

Extended Life Series

Professional Seriest

Model 310000

Extended Life Series

Professional Seriest

Briggs & Stratton is a registered trademark

of Briggs & Stratton Corporation.

Not for

Reproduction

BRIGGSandSTRATTON.COM

Not for

Reproduction

8 9

Not for

Reproduction

4 BRIGGSandSTRATTON.COM

General Information

This manual contains safety information to make you aware of the hazards and risks

associated with engines and how to avoid them. I t also contains instructions for the

proper use and care of the engine. Because Briggs & Stratton Corporation does not

necessarily know what equipment this engine w ill power, it is important that you read and

understand these instructions and the instructions for the equipment. Save these

original instructions for future reference.

For replacement parts or technical assistance, record below the engine model, type, and

code numbers along with the date of purchase. These numbers are located on your

engine (see the Features and Controls page).

Date of purchase:

Engine model:

MM/DD/YYYY

Model: Code:Type:

Power Ratings: The gross power rating for individual gasoline engine models is labeled

in accordance with SAE (Society of Automotive Engineers) code J1940 Small Engine

Power & Torque Rating Procedure, and is rated in accordance with SAE J1995. Torque

values are derived at 2600 RPM for those engines with “rpm” called out on the label and

3060 RPM for all others; horsepower values are derived at 3600 RPM. The gross power

curves can be viewed at www.BRIGGSandSTRATTON.COM. Net power values are

taken with exhaust and air cleaner installed whereas gross power values are collected

without these attachments. Actual gross engine power will be higher than net engine

power and is affected by, among other things, ambient operating conditions and

engine--to--engine variability. Given the wide array of products on which engines are

placed, the gasoline engine may not develop the rated gross power when used in a given

piece of power equipment. This difference is due to a variety of factors including, but not

limited to, the variety of engine components (air cleaner, exhaust, charging, cooling,

carburetor, fuel pump, etc.), application limitations, ambient operating conditions

(temperature, humidity, altitude), and engine--to--engine variability. Due to manufacturing

and capacity limitations, Briggs & Stratton may substitute an engine of higher rated

power for t his engine.

Operator Safety

Explosion

Toxic Fumes

Moving Parts

Shock

Hot Surface

Kickback

Fire

Fuel Shutoff

Read Manual

Choke

Oil

Fuel

On Off

Stop

Wear Eye

Protection

Slow

Fast

SAFETY AND CONTROL SYMBOLS

Hazardous

Chemical

Frostbite

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, could result in minor or

moderate injury.

NOTICE indicates a situation that could result in damage to the product.

WARNING

Certain components in this product and its related accessories contain chemicals

known to the State of California to cause cancer, birth defects, or other reproductive

harm. Wash hands after handling.

WARNING

The engine exhaust from this product contains chemicals known to the State of

California to cause cancer, birth def ects, or other reproductive harm.

WARNING

Briggs & Stratton Engines are not designed for and are not to be used to power:

fun-karts; go-karts; children’s, recreational, or sport all-terrain vehicles (ATVs);

motorbikes; hovercraft; aircraft products; or vehicles used in competitive events not

sanctioned by Briggs & Stratton. For information about competitive racing products,

see www.briggsracing.com. For use with utility and side-by-side ATVs, please contact

Briggs & Stratton Engine Application Center, 1-866-927-3349. Improper engine

application may result in serious injury or death.

NOTICE: This engine was shipped from Briggs & Stratton without oil. Before you start

the engine, make sure you add oil according t o the instructions in this manual. If you

start the engine without oil, it will be damaged beyond repair and will not be covered

under warranty.

Not for

Reproduction

WARNING

Fuel 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 the fuel

cap.

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

 Do not overfill fuel tan k. To allow for expansion of the fuel, do not fill above the

bottom of the fuel tank neck.

 Keep fuel away from sparks, open flames, pilot lights, heat, and other ignition

sources.

 Check fuel lines, tank, cap, and fittings frequently for c racks or leaks.

Replace if necessary

 If fuel spills, wait until it evaporates before starting engine.

When Starting Engine

 Ensure that spark plug, muffler, fuel cap and air cleaner (if equipped) are in

place and secured.

 Do not crank engine with spark plug removed.

 If engine floods, set choke (if equipped) to OPEN/RUN position, move throttle

(if equipped) to FAST position and crank until engine starts.

When Operating Equipment

 Do not tip engine or equipment at angle which causes fuel to spill.

 Do not choke the carburetor to stop engine.

 Never start or run the engine with the air cleaner assembly (if equipped) or the

air filter (if equipped) removed.

When Changing Oil

 When you drain the oil from the t op oil fill tube, the fuel tank must be empty or

fuel can leak out and result in a fire or explosion.

When Tipping Unit for Maintenance

 When performing maintenance that requires the unit to be tipped, the fuel tank

must be empty or fuel can leak out and result in a fire or explosion.

When Transporting Equipment

 Transport with fuel tank EMPTY or with fuel shut-off valve OFF.

When Storing Fuel Or Equipment With Fuel In Tank

 Store away from furnaces, stoves, water heaters or other appliances that have

pilot lights or other ignition sources because they can ignite fuel vapors.

Starting engine creates sparking.

Sparking can ignite nearby flammable gases.

Explosion and fire could result.

WARNING

 If there is natural or LP gas leakage in area, do not start engine.

 Do not use pressurized starting fluids because vapors are flammable.

POISONOUS GAS HAZARD. Engine exhaust contains carbon

monoxide, a poisonous gas that could kill you in minutes. You

CANNOT see it, smell it, or taste it. Even if you do not smell exhaust

fumes, you could still be exposed to carbon monoxide gas. If you start

to feel sick, dizzy, or weak while using this product, shut it off and get

to fresh air RIGHT AWAY. See a doctor. You may have carbon

monoxide poisoning.

WARNING

 Operate this product ONLY outside far away from windows, doors and vents to

reduce the risk of carbon monoxide gas from accumulating and potentially being

drawn towards occupied spaces.

 Install battery--operated carbon monoxide alarms or plug --in carbon monoxide

alarms with battery back-up according to the manufacturer’s instructions.

Smoke alarms cannot detect carbon monoxide gas.

 DO NOT run this product inside homes, garages, basements, crawlspaces,

sheds, or other partially -enclosed spaces even if using fans or opening doors

and windows for ventilation. Carbon monoxide can quickly build up in these

spaces and can linger for hours, even after this product has shut off.

 ALWAYS place this product downwind and point the engine exhaust away from

occupied spaces.

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.

WARNING

 When starting engine, pull the starter cord slowly until resistance is felt and then

pull rapidly to avoid kickback.

 Remove all external equipment/engine loads before starting engine.

 Direct-coupled equipment components such as, but not limited to, blades,

impellers, pulleys, sprockets, etc., must be securely attached.

Rotating parts can contact or entangle hands, feet, hair, clothing, or

accessories.

Traumatic amputation or severe laceration can result.

WARNING

 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.

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.

WARNING

 Allow muffler, engine cylinder and fins to cool before touching.

 Remove accumulated debris from muffler area and cylinder area.

 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 arrester, as defined in

Section 4442, maintained in effective working order. Other states or federal

jurisdictions may have s imilar laws. Contact the original equipment

manufacturer, retailer, or dealer to obtain a spark arrester designed for the

exhaust system installed on this engine.

Unintentional sparking can result in fire or electric shock.

Unintentional start-up can result in entanglement, traumatic

amputation, or laceration.

Fire hazard

WARNING

Before performing adjustments or repairs:

 Disconnect the spark plug wire and keep it away from the spark plug.

 Disconnect battery at negative terminal (only engines with electric start.)

 Use only correct tools.

 Do not tamper with governor spring, links or other parts to increase engine

speed.

 Replacement parts must be of the same design and installed in the same

position as the original parts. Other parts may not perform as well, may damage

the unit, and may result in injury.

 Do not strike the flywheel with a hammer or hard object because the flywheel

may later shatter during operation.

When testing for spark:

 Use approved spark plug tester.

 Do not check f or spark with spark plug removed.

Not for

Reproduction

6 BRIGGSandSTRATTON.COM

Features and Controls

Compare the illustration

with your engine to familiarize yourself with the location of

various features and controls.

A. Engine Identification

Model Type Code

B. Spark Plug

C. Air Cleaner

D. Dipstick

E. Oil Drain Plug

F. Muffler

Muffler Guard (optional)

Spark Arrester (optional)

G. Finger Guard / Rotating Screen

H. Oil Filter (optional)

I. Electric Starter (optional)

J. Carburetor

K. Fuel Filter (optional)

L. Fuel Pump (optional)

M. Quick Oil Drain (optional)

Operation

Oil capacity (see the Specifications section)

Oil Recommendations

We recommend the use of Briggs & Stratton Warranty Certified oils for best

performance. Other high-quality detergent oils are acceptable if classified for service SF,

SG, SH, SJ or higher. Do not use special additives.

Outdoor temperatures determine the proper oil viscosity for the engine. Use the chart to

select the best viscosity for the outdoor temperature range expected.

* Below 40°F(4°C) the use of SAE 30 will result in hard starting.

** Above 80°F(27°C) the use of 10W-30 may cause increased oil consumption. Check

oil level more frequently.

How To Check/Add Oil - Figure

1 2

Before adding or checking the oil

 Place engine level.

 Clean the oil fill area of any debris.

1. Remove the dipstick (A) and wipe with a clean cloth (Figure 2).

2. Insert and tighten the dipstick.

3. Remove the dipstick and check the oil level. It should be at the top of the full indicator

(B) on the dipstick.

4. If low, add oil s lowly into the engine oil fill (C). Do not overfill. After adding oil, wait

one minute and then recheck the oil level.

Note: Do not add oil at the quick oil drain (M, Figure 1) (if equipped).

5. Replace and tighten the dipstick.

Low Oil Protection System (if equipped)

Some engines are equipped with a low oil sensor. If the oil is low, the sensor will either

activate a warning light or stop the engine. Stop the engine and follow these steps before

restarting the engine.

 Make sure the engine is level.

 Check the oil level. See the How To Check/Add Oil section.

 If the oil level is low, add the proper amount of oil. Start the engine and make sure

the warning light (if equipped) is not activated.

 If the oil level is not low, do not start the engine. Contact an Authorized Briggs &

Stratton Dealer to have the the oil problem corrected.

Fuel Recommendations

Fuel must meet these requirements:

 Clean, fresh, unleaded gasoline.

 A minimum of 87 octane/87 AKI (91 RON). High altitude use, see below.

 Gasoline with up to 10% ethanol (gasohol) is acceptable.

NOTICE: Do not use unapproved gasolines, such as E15 and E85. Do not mix oil in

gasoline or modify the engine to run on alternate fuels. Use of unapproved fuels will

cause damage to engine components, which will not be covered under warranty.

To protect the fuel system from gum formation, mix a fuel stabilizer into the fuel. See

Storage. All fuel is not the same. If starting or performance problems occur, change fuel

providers or change brands. This engine is certified to operate on gasoline. The

emissions control system for this engine is EM (Engine Modifications).

High Altitude

At altitudes over 5,000 feet (1524 meters), a minimum 85 octane/85 AKI (89 RON)

gasoline is acceptable.

For carbureted engines, high altitude adjustment is required to remain emissions

compliant. Operation without this adjustment will cause decreased performance,

increased fuel consumption, and increased emissions. Contact a Briggs & Stratton

Authorized Service Dealer for high altitude adjustment information. Operation of the

engine at altitudes below 2,500 feet (762 meters) with the high altitude adjustment is not

recommended.

For Electronic Fuel Injection (EFI) engines, no high altitude adjustment is necessary.

How To Add Fuel - Figure

WARNING

Fuel 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 the fuel

cap.

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

 Do not overfill fuel tan k. To allow for expansion of the fuel, do not fill above the

bottom of the fuel tank neck.

 Keep fuel away from sparks, open flames, pilot lights, heat, and other ignition

sources.

 Check fuel lines, tank, cap, and fittings frequently for c racks or leaks.

Replace if necessary

 If fuel spills, wait until it evaporates before starting engine.

1. Clean the fuel cap area of dirt and debris. Remove the fuel cap (A, Figure 3).

2. Fill the fuel tank (B) with fuel. To allow for expansion of the fuel, do not fill above the

bottom of the fuel tank neck (C).

3. Reinstall the fuel cap.

How To Start The Engine - Figure

WARNING

Fuel and its vapors are extremely flammable and explosive.

Fire or explosion can cause severe burns or death.

When Starting Engine

 Ensure that spark plug, muffler, fuel cap and air cleaner (if equipped) are in

place and secured.

 Do not crank engine with spark plug removed.

 If engine floods, set choke (if equipped) to OPEN/RUN position, move throttle

(if equipped) to FAST position and crank until engine starts.

Not for

Reproduction

POISONOUS GAS HAZARD. Engine exhaust contains carbon

monoxide, a poisonous gas that could kill you in minutes. You

CANNOT see it, smell it, or taste it. Even if you do not smell exhaust

fumes, you could still be exposed to carbon monoxide gas. If you start

to feel sick, dizzy, or weak while using this product, shut it off and get

to fresh air RIGHT AWAY. See a doctor. You may have carbon

monoxide poisoning.

WARNING

 Operate this product ONLY outside far away from windows, doors and vents to

reduce the risk of carbon monoxide gas from accumulating and potentially being

drawn towards occupied spaces.

 Install battery--operated carbon monoxide alarms or plug --in carbon monoxide

alarms with battery back-up according to the manufacturer’s instructions.

Smoke alarms cannot detect carbon monoxide gas.

 DO NOT run this product inside homes, garages, basements, crawlspaces,

sheds, or other partially -enclosed spaces even if using fans or opening doors

and windows for ventilation. Carbon monoxide can quickly build up in these

spaces and can linger for hours, even after this product has shut off.

 ALWAYS place this product downwind and point the engine exhaust away from

occupied spaces.

NOTICE: This engine was shipped from Briggs & Stratton without oil. Before you start

the engine, make sure you add oil according t o the instructions in this manual. If you

start the engine without oil, it will be damaged beyond repair and will not be covered

under warranty.

Determine The Starting System

Before starting the engine, you must determine the type of starting system that is on your

engine. Your engine will have one of the following types.

 ReadyStart

System: This features a temperature controlled automatic choke. This

type does not have a primer.

 Choke System: This features a choke to be used for starting in cool temperatures.

Some models will have a separate choke control while others will have a

combination choke/throttle control. This type does not have a primer.

To start your engine, follow the instructions for your type of starting system.

Note: Some engines and equipment have remote controls. See the equipment manual

for location and operation of remote controls.

ReadyStart

System - Figure

1. Check the oil level. See the How To Check/Add Oil section.

2. Make sure equipment drive controls, if equipped, are disengaged.

3. Turn the fuel shut-off valve (A), if equipped, to the on position (Figure 4).

4. Move the throttle control (B)tothefast

position. Operate the engine in the fast

position.

Note: For starting in cold temperatures (below 32 F), move the combination

choke/throttle lever (B, C) to the choke position. As the engine warms up, move the

lever to the run position.

5. Engage the electric start switch, key (D) or push button (E).

NOTE: If the engine does not start after repeated attempts, contact your local dealer

or go to BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in USA).

NOTICE: To extend the life of the starter, use short starting cycles (five seconds

maximum). Wait one minute between starting cycles.

Choke System - Figure

1. Check the oil level. See the How To Check/Add Oil section.

2. Make sure equipment drive controls, if equipped, are disengaged.

3. Turn the fuel shut-off valve (A), if equipped, to the on position (Figure 4).

4. Move the throttle control (B)tothefast

position. Operate the engine in the fast

position.

5. Move the choke control (C), or the combination choke/throttle lever, to the choke

position.

Note: Choke is usually unnecessary when restarting a warm engine.

6. Turn the electric s tart switch (D) to the on/start position.

NOTE: If the engine does not start after repeated attempts, contact your local dealer

or go to BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in USA).

NOTICE: To extend the life of the starter, use short starting cycles (five seconds

maximum). Wait one minute between starting cycles.

7. As the engine warms up, move the choke control (C)totherun

position.

How To Stop The Engine - Figure

WARNING

Fuel and its vapors are extremely flammable and explosive.

Fire or explosion can cause severe burns or death.

 Do not choke the carburetor to stop engine.

1. With the throttle control in the fast

position, turn the key switch (D) to the off

position (Figure 4). Remove the key and keep in a safe place out of the reach of

children.

2. After the engine stops, turn t he fuel shut-off valve (A), if equipped, to the closed

position.

Maintenance

We recommend that you see any Briggs & Stratton Authorized Dealer for all

maintenance and service of the engine and engine parts.

NOTICE: All the components used to build this engine must remain in place for proper

operation.

WARNING: When performing maintenance that requires the unit to be

tipped, the fuel tank must be empty or fuel can leak out and result in a fire or

explosion.

Emissions Control

Maintenance, replacement, or repair of the emissions control devices and systems

may be performed by any off-road engine repair establishment or individual.

However, to obtain “no charge” emissions control service, the work must be performed

by a f actory authorized dealer. See the Emissions Warranty.

Carburetor And Engine Speed Adjustment

Never make adjustments to the carburetor or engine speed. The carburetor was set at

the f actory to operate efficiently under most conditions. Do not tamper with the governor

spring, linkages, or other parts to change the engine speed. If any adjustments are

required contact a Briggs & Stratton Aut horized Service Center for service.

NOTICE: The equipment manufacturer specifies the maximum speed for the engine as

installed on the equipment. Do not exceed this speed. If you are unsure what the

equipment maximum speed is, or what the engine speed is set to from the factory,

contact a Briggs & Stratton Authorized Service Center for assistance. For safe and

proper operation of the equipment, the engine speed should be adjusted only by a

qualified s ervice technician.

Unintentional sparking can result in fire or electric shock.

Unintentional start-up can result in entanglement, traumatic

amputation, or laceration.

Fire hazard

WARNING

Before performing adjustments or repairs:

 Disconnect the spark plug wire and keep it away from the spark plug.

 Disconnect battery at negative terminal (only engines with electric start.)

 Use only correct tools.

 Do not tamper with governor spring, links or other parts to increase engine

speed.

 Replacement parts must be of the same design and installed in the same

position as the original parts. Other parts may not perform as well, may damage

the unit, and may result in injury.

 Do not strike the flywheel with a hammer or hard object because the flywheel

may later shatter during operation.

When testing for spark:

 Use approved spark plug tester.

 Do not check f or spark with spark plug removed.

Not for

Reproduction

BRIGGSandSTRATTON.COM

Maintenance Chart

First 5 Hours

 Change oil

Every8HoursorDaily

 Check engine oil level

 Clean area around muffler and controls

 Clean finger guard/rotating screen

Every 25 Hours or Annually

 Clean air filter

 Clean pre-cleaner

Every 50 Hours or Annually

 Change engine oil

 Replace oil filter (if equipped)

 Check muffler and spark arrester

Every 100 Hours or Annually

 Change engine oil

 Replace oil filter

Annually

 Replace air filter

 Replace pre-cleaner

 Replace spark plugs

 Clean air cooling system

 Replace fuel filter

 Check valve clearance

In dusty conditions or when airborne debris is present, clean more often.

Not required unless engine performance problems are noted.

Only engines without oil f ilter.

Engines without oil filter or with standard black oil filter (see Specifications page for

part number).

Engines with high-efficiency yellow or orange oil filter (see Specifications page for

part number).

How To Replace The Spark Plug - Figure

Check the gap ( A, Figure 5) with a wire gauge (B). If necessary, reset the gap. Install

and tighten the spark plug to the recommended torque. For gap setting or torque, see the

Specifications section.

Note: In some areas, local law requires using a resistor spark plug to suppress ignition

signals. If this engine was originally equipped with a resistor spark plug, use the same

type for replacement.

Inspect Muffler And Spark Arrester - Figure