Briggs & Stratton Vanguard 470000 Series User manual

Operator’s Manual
Vanguard
Model 470000 Model 610000
BRIGGSandSTRATTON.com
ECopyright Briggs & Stratton Corporation
Milwaukee, Wisconsin 53201 U.S.A.
Form No. 277111-9/06
Printed in U.S.A.
Vanguard

2
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. . . . . . . . . . . . . . . . . .
Engine Features 3. . . . . . . . . . . . . . . . . . .
Starting Engine and Safety 4. . . . . . . . . .
Operating Engine 5. . . . . . . . . . . . . . . . . .
Stopping Engine 5. . . . . . . . . . . . . . . . . . .
Troubleshooting 6. . . . . . . . . . . . . . . . . . . .
Oil 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 10. . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications/Emission Information 11.
Engine Maintenance 12. . . . . . . . . . . . . . .
Service/Storage 16. . . . . . . . . . . . . . . . . . .
Warranty Information/Emission 17. . . . . .
SYMBOLS ASSOCIATED
WITH THIS ENGINE:
Explosion
Toxic Fum es
Moving Parts
Shock
Hot Surface
Kickback
Fire
On Off
Fuel Shutoff
Read
Manual
Fuel
Choke
Oil
Run
Hot Liquid or
Steam
Stop
Slow Fast
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.
WARNING
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

3
Engine Features
1
2
3
4
6
7
89
13
17
18
19
20
5
1. Oil Pressure Sensor
2. Spark Plug (2 locations)
3. Choke Control
4. Muffler
5. Throttle Control (2 possible locations)
6. Fuel Pump (Model 470000 equipped with 1;
Model 610000 equipped with 2)
7. Air Cleaner
8. Radiator and Radiator Cap
9. Radiator Screen and Handle
10. Fuel Filter
11. Oil Fill Cap
12. Dipstick
13. Oil Drain Plug (2 locations)
14. Starter
15. Starter Solenoid
16. Fan Belt
17. Radiator Drain Plug
18. Radiator Reservoir
19. Oil Filter
20. Engine Model Label
Model −Type −Code
10
11
12
13
14
15
16
2

4
Before Starting Engine
1. This engine is shipped without coolant and oil.
Follow the instructions on adding coolant (page
10) and oil (page 7) before starting or running
engine.
Starting Engine
2. Open fuel shut-off valve (if equipped).
3. Move choke control to CHOKE or START.
4. Move throttle (if equipped) to FAST.
5. Push rocker switch (if equipped) to ON or RUN.
6. Insert key and turn to START. Release key when
engine starts.
7. Let engine warm up before using equipment.
Note: If choke equipped, slowly adjust toward RUN
position. Wait until engine runs smoothly before
each choke adjustment.
•DO NOT crank engine with spark plug
removed.
•DO NOT start engine if there is a
natural or LP gas leak in area.
•Make sure spark plug, muffler, fuel cap
and housings are in place and firmly
secured by equipped fasteners.
•Do not use pressurized starting fluids
because vapors are flammable.
WARNING
To prolong starter life, use short starting cycles
(5 seconds maximum, then wait one minute).
Follow equipment manufacturer’s
recommendations for charging battery.
CAUTION
•Place equipment on flat level surface.
•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.
WARNING
Broken bones, fractures, bruises or
sprains could result.
Rapid retraction of starter cord
(kickback) will pull hand and arm
toward engine faster than you can
let go.
If you start the engine without oil and/or
coolant, the engine may be damaged beyond
repair and will not be covered under warranty.
CAUTION
Safety −When Starting Engine

5
Operating Engine
•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 combustibles 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.
Rotating parts can contact or
entangle hands, feet, hair,
clothing, or accessories.
Traumatic amputation or severe
laceration can result.
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
WARNING
Engines give off carbon monox-
ide, an odorless, colorless, poison
gas.
Breathing carbon monoxide can
cause nausea, fainting or death.
•The manufacturer of equipment on
which this engine is installed specifies
top speed at which engine will be
operated. DO NOT EXCEED this speed.
WARNING
Stopping Engine
1. Move throttle to SLOW (if equipped).
2. Turn key to OFF. Remove key and store out of
reach of children.
3. Push rocker switch (if equipped) to OFF or STOP.
4. Close fuel shut-off valve (if equipped).
WARNING
•Do not stop engine by moving choke
control to CHOKE. Backfire, fire or
engine damage could occur.

6
Troubleshooting
Engine Will Not Start
Out of Fuel
•Add fuel to tank.
•Prime engine.
•Open shut-off valve
Engine Flooded
•Set choke (if equipped) to OPEN/RUN position,
throttle to FAST and crank engine.
Spark Plug Fouling
•Check to ensure the spark plug is clean. Check
the gap with a wire gage and reset to .51 mm or
.020 in. if necessary.
•Replace the spark plug if the electrode is burned
or worn.
DO NOT OVERFILL. Overfilling may cause
smoking, hard starting, spark plug fouling or oil
saturation of air filter.
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
Engine is Smoking or Running
Rough
Engine may have been tipped during
transport.
•Check for fouled spark plug.
•Check air cleaner filter. If filter is dirty see the
Maintenance section of this manual.
Need assistance? 1-800-233-3723
(USA and Canada ONLY, Pre-recorded message.)
www.briggsandstratton.com

7
Oil
Capacity
The engine holds approximately 2.5 quarts (2.4 liters).
Oil Recommendation
•Use a high quality detergent oil classified “For
Service SG, SH, SJ, SL” or higher, such as Briggs &
Stratton 30, Part Number 100005 (20 oz) or 100028
(48 oz).
•Do not use special additives.
•Do not mix gasoline with oil.
•Choose a viscosity according to the table.
SAE Viscosity Grades
°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
*
**
32
°F-20 0 20 40 60 80 100
°C-30 -20 -10 0 10 20 30 40
*
**
32
Note: Synthetic oil meeting ILSAC
GF-2, API certification mark and API
service symbol (shown at left) with
“SJ/CF ENERGY CONSERVING” or
higher, is an acceptable oil at all
temperatures. Use of synthetic oil
does not alter required oil change
intervals.
* Use of SAE 30 oil below 40°F (4°C) will result in hard
starting and possible engine damage due to inadequate
lubrication.
CAUTION
* * 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
Checking Oil Level
•Check oil level before starting the engine.
•Keep oil level at FULL. Do not overfill.
•Check level daily, or after every eight (8) hours.




1. Place engine level. Clean around oil fill  and oil
fill cap .
2. Remove dipstick and wipe clean with cloth.
3. Push dipstick back in and remove to check oil
level. Oil level should be at FULL mark on
dipstick.
4. If oil is needed, add it slowly.
5. Fill to FULL mark on dipstick −recheck.
6. Replace oil fill cap and dipstick firmly.
Adding Oil to New Engine or After
Filter Change
1. First add 2 quarts (2 liters).
2. Start and run engine at idle for 30 seconds. See
Starting Instructions.
3. Shut engine off and wait 30 seconds.
4. Add more oil slowly to bring level to FULL mark
on dipstick.
5. Replace oil cap and dipstick.

8
Changing Oil and Oil Filter
Change oil after first 5 to 8 hours of use, then every 100
hours. Change oil every 50 hours when operating the
engine under heavy load or in high temperatures.


1. With engine OFF but still warm, remove oil drain
plug  and drain oil into appropriate receptacle.
Reinstall drain plug.
2. Remove oil filter . Before installing new filter,
lightly oil filter gasket with fresh, clean oil.
3. Screw filter on by hand until gasket contacts oil
filter adapter. Tighten 1/2 to 3/4 turn more.
4. Place engine level and follow Adding Oil
Instructions (page 7) to add fresh oil.
5. Replace oil fill cap and dipstick.
Oil Pressure
If oil pressure is low, an oil pressure switch (if equipped)
will either activate a warning device or stop the engine.
Check oil level with dipstick.
•If oil level is between ADD and FULL mark on
dipstick do not try to restart engine. Contact an
Authorized Briggs & Stratton Service Dealer. Do
not operate engine until oil pressure is
corrected.
•If oil level is below ADD mark on dipstick, add oil to
bring level to FULL mark. Restart engine and check
oil pressure. If pressure is normal, continue to
operate engine.
Note: Oil pressure gage (if equipped) is supplied by
manufacturer of equipment.
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

9
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. Remove cap. Fill tank to approximately 1-1/2
inches below top of neck to allow for fuel
expansion. Be careful not to overfill.
2. 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
WARNING
•Do not use pressurized starting fluids
•Fuel equipment outdoors, away from
open flames, sparks and other ignition
sources, such as appliances with pilot
lights.
•Store fuel away from ignition sources.
Starting engine creates sparking.
Fuel vapors are extremely
flammable and explosive. Fire or
explosion can cause severe
burns or death.
•Turn engine OFF and let engine
cool at least 2 minutes before
removing fuel cap.
•Fill fuel tank outdoors or in
well-ventilated area.
•Do not overfill fuel tank. Fill tank to
approximately 1-1/2 inches below
top of neck to allow for fuel
expansion.
•If fuel spills, wait until it evaporates
before starting engine.
•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.
WARNING

10
Coolant
•A 50/50 mixture is required of phosphate-free
antifreeze and tap water for heat dissipation, rust
resistance and lubrication.
•Normal reading on coolant temperature gauge (if
equipped) should be 175_to 195_F (80_to 90_C)
when engine is running.
•If coolant temperature rises above 220_F (105_C),
the temperature light (if equipped) will illuminate.
Idle engine down for a while. Then stop engine.
Once engine is cooled, check coolant level, fan belt
tension and clean any clogged radiator fins.
Adding Coolant
1. Fill radiator to bottom of filler neck and fill
reservoir between FULL and LOW . Replace
radiator cap.

2. Start and run engine for 30 seconds. See Starting
Instructions.
3. Shut engine off to allow it to cool. Recheck
coolant levels in radiator and reservoir.
Changing Coolant
Coolant should be replaced every year, unless an
approved extended life coolant is used. Then replace
every 3000 hours.



1. Remove drain plug . As coolant is running out,
open radiator cap to allow any trapped coolant
to drain. Replace drain plug.
2. Remove reservoir bottle , drain it and reinstall.
3. Fill radiator to bottom of filler neck and reservoir
bottle between FULL and LOW. Replace radiator
cap.
4. Start and run engine for 30 seconds.
5. Shut engine off and allow it to cool. Recheck
coolant levels in radiator and reservoir.
•Do not touch radiator or open radiator
cap, or open radiator reservoir when
engine is hot or running.
•Allow engine to cool before changing
or adding coolant.
WARNING
WARNING
•Stop engine and allow to cool before
removing radiator or reservoir cap.
•To remove reservoir cap after engine is
cool, place a thick cloth over the cap
and remove it slowly.
•To remove radiator cap after engine is
cool, place a thick cloth over cap and
rotate it slowly counter-clockwise to the
first stop. Pressurized steam may emit
from the cap, stand back to avoid injury.
Once all pressure is released, rotate
cap counter-clockwise while pushing
down on cap to remove.
Never remove radiator cap or
radiator reservoir cap while the
engine is hot or running. Severe
thermal burns or injury can occur by
escaping steam or hot engine
coolant.
Used coolant is a hazardous waste product.
Dispose of used coolant properly. Do not
discard with household waste. Check with your
local authorities, service center, or dealer for
safe disposal/recycling facilities.
CAUTION