Briggs & Stratton 120000 Intek 825 Serie Manual Del Operario página 8

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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Disconnect battery at negative terminal (only engines with electric start.)
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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
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speed.
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
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may 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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Clean finger guard (if equipped)
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Every 25 Hours or Annually
Clean air filter *
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Clean pre-cleaner *
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Every 50 Hours or Annually
Change engine oil
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Replace oil filter (if equipped)
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Check muffler and spark arrester
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Annually
Replace air filter
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Replace pre-cleaner
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Replace spark plug
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Clean air cooling system *
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Clean/Replace fuel filter
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Check valve clearance **
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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.
NOTICE: 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.
How To Replace The Spark Plug - Figure 6
Check the gap (A, Figure 6) 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.
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Inspect Muffler And Spark Arrester - Figure 7
WARNING
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.
Allow muffler, engine cylinder and fins to cool before touching.
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Remove accumulated debris from muffler area and cylinder area.
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It is a violation of California Public Resource Code, Section 4442, to use or
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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 similar laws. Contact the original equipment
manufacturer, retailer, or dealer to obtain a spark arrester designed for the
exhaust system installed on this engine.
Inspect the muffler (A, Figure 7) for cracks, corrosion, or other damage. Remove the
spark arrester (B), if equipped, and inspect for damage or carbon blockage. If
replacement parts are required, make sure to use only original equipment replacement
parts.
WARNING:
Replacement parts must be the same and installed in the
same position as the original parts or fire could result.
How To Change The Oil - Figure 2
WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
If you drain the oil from the top oil fill tube, the fuel tank must be empty or fuel
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can leak out and result in a fire or explosion.
Used oil is a hazardous waste product and must be disposed of properly. Do not discard
with household waste. Check with your local authorities, service center, or dealer for safe
disposal/recycling facilities.
Remove Oil
You can drain the oil from the bottom drain hole, the side drain hole, or from the top oil fill
tube.
1. With engine off but still warm, disconnect the spark plug wire (A) and keep it away
from the spark plug (Figure 8).
2. The engine is equipped with a bottom drain (B, Figure 9) and/or a side drain (C).
Remove the oil drain plug (D). Drain the oil into an approved container.
Note: Any of the oil drain plugs (D) shown may be installed in the engine.
3. After the oil has drained, install and tighten the oil drain plug.
4. If you drain the oil from the top oil fill tube (E), keep the spark plug end of the engine
(F) up (Figure 10). Drain the oil into an approved container.
WARNING:
If you drain the oil from the top oil fill tube, the fuel tank must
be empty or fuel can leak out and result in a fire or explosion. To empty the fuel tank,
run the engine until it stops from lack of fuel.
Change The Oil Filter (if equipped)
Some models are equipped with an optional oil filter. For replacement intervals, see the
Maintenance chart.
1. Drain the oil from the engine. See "How To Change The Oil".
2. Remove the oil filter (K) and dispose of properly. See Figure 11.
3. Before you install the new oil filter, lightly lubricate the oil filter gasket with fresh,
clean oil.
4. Install the oil filter by hand until the gasket contacts the oil filter adapter, then tighten
the oil filter 1/2 to 3/4 turns.
5. Add oil. See Add Oil section.
6. Start and run the engine. As the engine warms up, check for oil leaks.
7. Stop the engine and check the oil level. It should be at the FULL mark on the
dipstick.
Add Oil
Place engine level.
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Clean the oil fill area of any debris.
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See the Specifications section for oil capacity.
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