5.
Assemble the dry pre-cleaner (C, Figure 11) and the filter (D) to the engine base (E).
6.
Align the tabs (F, Figure 11) on the cover (B) with the slots (G) in the blower housing.
7.
Rotate the cover handle (A, Figure 11) back and push down to lock in place.
Paper Air Filter
1.
Loosen the fastener(s) (A, Figure 12).
2.
Remove the cover (B, Figure 12).
3.
To remove the filter (C, Figure 12), lift the end of the filter and then pull the filter off
the intake (D).
4.
To loosen debris, gently tap the filter (C, Figure 12) on a hard surface. If the filter is
excessively dirty, replace with a new filter.
5.
Remove the pre-cleaner (E, Figure 12), if equipped, from the filter (C).
6.
Wash the pre-cleaner (E, Figure 12), if equipped, in liquid detergent and water. Allow
the pre-cleaner to thoroughly air dry. Do not oil the pre-cleaner.
7.
Assemble the dry pre-cleaner (E, Figure 12), if equipped, to the filter (C).
8.
Install the filter (C, Figure 12) on the intake (D). Push the end of the filter down into
the engine base. Make sure filter fits securely in the engine base.
9.
Install the air filter cover (B, Figure 12) and secure with fastener(s) (A).
Service Cooling System
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.
•
Remove accumulated debris from muffler area and cylinder area.
NOTICE
Do not use water to clean the engine. Water could contaminate the fuel
system. Use a brush or dry cloth to clean the engine.
This is an air cooled engine. Dirt or debris can restrict air flow and cause the engine to
overheat, resulting in poor performance and reduced engine life.
1.
Use a brush or dry cloth to remove debris from the air intake grille.
2.
Keep linkage, springs and controls clean.
3.
Keep the area around and behind the muffler, if equipped, free of any combustible
debris.
4.
Make sure the oil cooler fins, if equipped, are free of dirt and debris.
After a period of time, debris can accumulate in the cylinder cooling fins and cause the
engine to overheat. This debris cannot be removed without partial disassembly of the
engine. Have a Briggs & Stratton Authorized Service Dealer inspect and clean the air
cooling system as recommended in the
Maintenance Schedule.
Storage
WARNING
Gaseous vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
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.
Engine Oil
While the engine is still warm, change the engine oil. See the
Change Engine Oil section.
NOTICE
Store the engine level (normal operating position). If the engine is tipped in
any other direction, it may be difficult to start due to oil contaminating the air filter and/or
the spark plug.
Troubleshooting
For assistance, contact your local dealer or go to BRIGGSandSTRATTON.com or call
1-800-233-3723 (in USA).
Specifications
Model: 310000
30.52 ci (500 cc)
Displacement
3.563 in (90,49 mm)
Bore
3.062 in (77,77 mm)
Stroke
46 - 48 oz (1,36 - 1,40 L)
Oil Capacity
.030 in (,76 mm)
Spark Plug Gap
180 lb-in (20 Nm)
Spark Plug Torque
.010 - .014 in (,25 - ,36 mm)
Armature Air Gap
.003 - .005 in (,08 - ,13 mm)
Intake Valve Clearance
.005 - .007 in (,13 - ,18 mm)
Exhaust Valve Clearance
Engine power will decrease 3.5% for each 1,000 feet (300 meters) above sea level and
1% for each 10° F (5.6° C) above 77° F (25° C). The engine will operate satisfactorily at
an angle up to 15°. Refer to the equipment operator's manual for safe allowable operating
limits on slopes.
Service Parts - Model: 310000
Part Number
Service Part
790263
Paper Air Filter (Figure 11)
697015
Air Filter Pre-cleaner (Figure 11)
797427
Paper Air Filter (Figure 12)
797704
Air Filter Pre-cleaner (Figure 12)
100005
Oil - SAE 30 (20 oz, 0,6 L)
100028
Oil - SAE 30 (48 oz, 1,4 L)
492932, 5049
Oil Filter, Standard - Black
795890
Oil Filter, High Efficiency - Yellow
798576
Oil Filter, High Efficiency - Orange
491055
Resistor Spark Plug
5066
Long Life Platinum Spark Plug
89838, 5023
Spark Plug Wrench
19368
Spark Tester
We recommend that you see any Briggs & Stratton Authorized Dealer for all maintenance
and service of the engine and engine parts.
Warranty
Briggs & Stratton Engine Warranty
Effective January 2016
Limited Warranty
Briggs & Stratton warrants that, during the warranty period specified below, it will repair or
replace, free of charge, any part that is defective in material or workmanship or both.
Transportation charges on product submitted for repair or replacement under this warranty
must be borne by purchaser. This warranty is effective for and is subject to the time periods
and conditions stated below. For warranty service, find the nearest Authorized Service
Dealer in our dealer locator map at BRIGGSandSTRATTON.COM. The purchaser must
contact the Authorized Service Dealer, and then make the product available to the
Authorized Service Dealer for inspection and testing.
There is no other express warranty. Implied warranties, including those of
merchantability and fitness for a particular purpose, are limited to the warranty
period listed below, or to the extent permitted by law. Liability for incidental or
consequential damages are excluded to the extent exclusion is permitted by law. Some
states or countries do not allow limitations on how long an implied warranty lasts, and
some states or countries do not allow the exclusion or limitation of incidental or
consequential damages, so the above limitation and exclusion may not apply to you. This
9
Not for
Reproduction
Summary of Contents for 310000 VERTICAL SERIES
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