Emissions Control; Maintenance Chart; Carburetor Adjustment - Briggs & Stratton 290000 Vanguard Gasoline Manual Del Operario

WARNING
Gasoline 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 are in place and secured.
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Do not crank engine with spark plug removed.
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If engine floods, set choke (if equipped) to open/run position, move throttle (if
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equipped) to fast position and crank until engine starts.
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.
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Do not start or run engine in enclosed area, even if doors or windows are open.
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CAUTION: This engine was shipped from Briggs & Stratton without oil. Before you start
the engine, make sure you add oil according to 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.
Note: Some engines and equipment have remote controls. See the equipment manual
for location and operation of remote controls.
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. Push the stop switch (F), if equipped, to the on position.
5. Move the throttle control (B) to the fast
position.
6. Move the choke control (C) to the choke
Note: Choke is usually unnecessary when restarting a warm engine.
7. Rewind Start: Turn the key switch (D), if equipped, to the run position.
8. Rewind Start: Firmly hold the starter cord handle (E). Pull the starter cord handle
slowly until resistance is felt, then pull rapidly.
Note: If the engine does not start after three attempts, go to
BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in USA).
WARNING:
Rapid retraction of the starter cord (kickback) will pull your
hand and arm toward the engine faster than you can let go. Broken bones,
fractures, bruises or sprains could result. When starting engine, pull the starter cord
slowly until resistance is felt and then pull rapidly to avoid kickback.
9. Electric Start: Turn the electric start switch (D) to the on/start position.
Note: If the engine does not start after three attempts, go to
BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in USA).
CAUTION: To extend the life of the starter, use short starting cycles (five seconds
maximum). Wait one minute between starting cycles.
10. As the engine warms up, move the choke control (C) to the run
How To Stop The Engine - Figure 4
WARNING
Gasoline 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.
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1. With the throttle control (B) in the slow
off position (Figure 4). Remove the key and keep in a safe place out of the reach of
children.
2. Push the stop switch (F) to the off position.
3. After the engine stops, turn the fuel shut-off valve (A), if equipped, to the closed
position.
8
position. Operate the engine in the fast
position.
position.
position, turn the key switch (D) to the
Maintenance
Use only original equipment replacement parts. Other parts may not perform as
well, may damage the unit, and may result in injury. In addition, use of other parts
may void your warranty.
We recommend that you see any Briggs & Stratton Authorized Dealer for all
maintenance and service of the engine and engine parts.
CAUTION: All the components used to build this engine must remain in place for proper
operation.

Emissions Control

Maintenance, replacement, or repair of the emissions control devices and systems
may be performed by any non-road engine repair establishment or individual.
However, to obtain "no charge" emissions control service, the work must be performed
by a factory authorized dealer. See the Emissions Warranty.
WARNING
Unintentional sparking can result in fire or electric shock.
Unintentional start-up can result in entanglement, traumatic amputation,
or laceration.
Fire hazard
Before performing adjustments or repairs:
Disconnect the spark plug wire and keep it away from the spark plug.
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Use only correct tools.
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Do not tamper with governor spring, links or other parts to increase engine speed.
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Replacement parts must be the same and installed in the same position as the
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original parts.
Do not strike the flywheel with a hammer or hard object because the flywheel may
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later shatter during operation.
When testing for spark:
Use approved spark plug tester.
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Do not check for spark with spark plug removed.
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Maintenance Chart

First 5 Hours
Change oil
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Every 8 Hours or Daily
Check engine oil level
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Clean area around muffler and controls
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Every 100 Hours or Annually
Clean air filter *
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Clean pre-cleaner (if equipped) *
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Change engine oil and filter
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Replace spark plug
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Check muffler and spark arrester
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Check valve clearance **
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Every 400 Hours or Annually
Change air filter
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Replace fuel filter
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Clean air cooling system *
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Clean oil cooler fins *
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* In dusty conditions or when airborne debris is present, clean more often.
** Not required unless engine performance problems are noted.

Carburetor Adjustment

Never make adjustments to the carburetor. The carburetor was set at the factory to
operate efficiently under most conditions. However, if adjustments are required, see a
Briggs & Stratton Authorized Dealer for service.
CAUTION: The manufacturer of the equipment on which this engine is installed specifies
the top speed at which the engine will be operated. Do not exceed this speed.
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